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Yamaha GP800Y WaveRunner GP Owner's/Operator's Manual
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Yamaha GP800Y WaveRunner GP Owner's/Operator's Manual

Yamaha GP800Y WaveRunner GP Owner's/Operator's Manual

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READ THIS MANUAL
CAREFULLY BEFORE
OPERATION!
WaveRunner GP
OWNER'S/OPERATOR'S
MANUAL
U.S.A.Edition
YAMAHA MOTOR CORPORATION, U.S.A.
GP800Y
LIT-18626-03-86
●

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Summary of Contents for Yamaha GP800Y WaveRunner GP

  • Page 1 WaveRunner GP GP800Y OWNER’S/OPERATOR’S MANUAL READ THIS MANUAL U.S.A.Edition CAREFULLY BEFORE YAMAHA MOTOR CORPORATION, U.S.A. OPERATION! ● LIT-18626-03-86...
  • Page 2 BECOME ALERT! will help you to obtain maximum enjoy- YOUR SAFETY IS INVOLVED! ment from your new Yamaha. If you have any questions about the operation or maintenance of your water vehicle, please Failure to follow WARNING instructions consult a Yamaha dealer.
  • Page 3 EJU00273 CONTENTS GENERAL AND SAFETY INFORMATION FEATURE AND FUNCTIONS OPERATION AND RIDING MAINTENANCE AND CARE TROUBLESHOOTING AND EMERGENCY PROCEDURE INDEX READ THIS OWNER’S / OPERATOR’S MANUAL CAREFULLY BEFORE OPERATING YOUR WATER VEHICLE.

  • Page 4: Table Of Contents

    EJU00274 Chapter 1 GENERAL AND SAFETY INFORMATION IDENTIFICATION NUMBER RECORDS..........1-1 PRI-I.D. number ........1-1 Hull identification number (H.I.N) ..1-1 Engine number........1-1 EMISSION CONTROL INFORMATION...1-2 IMPORTANT LABELS ......1-3 Location..........1-3 Labels ..........1-4 SAFETY INFORMATION ......1-7 Limitations on who may operate the vehicle ......1-7 Cruising limitations......1-8 Operational requirements....1-9 Hazard information ......1-11...

  • Page 5: Identification Number Records

    ID) number, Hull identification number (HIN) and Engine serial number in the spaces provided, to assist you in ordering spare parts from your Yamaha water vehicle dealer. Also record and keep these ID numbers in a separate place in case your water vehicle is stolen.

  • Page 6: Emission Control Information

    EJU00631a EMISSION CONTROL INFORMATION This engine conforms to 2000 U.S. Envi- ronmental Protection Agency (EPA) regu- lation for marine SI engines. RU0625 Approval label of Emission control certificate This label is attached to the electrical box. Emission control information label EMISSION CONTROL INFORMATION ENGINE FAMILY : THIS ENGINE CONFORMS TO 2000 U.S.

  • Page 7: Important Labels

    EJU00293 IMPORTANT LABELS LOCATION RU061* RU063 RU062...

  • Page 8: Labels

    LABELS Warning labels GP8-U411A-00 WARNING Do not add gasoline to the oil tank. Fire or explosion could result. YAMAHA GD0-U418F-00...
  • Page 9 WARNING Do not touch or remove electrical parts when starting or running the engine. YAMAHA 6R7-83623-40 Caution labels GP8-U411A-00...

  • Page 10: Recommended Oil

    Other labels RECOMMENDED OIL YAMALUBE 2-W or an equivalent T C - W 3 c e r t i f i e d o u t b o a r d o i l . YAMAHA GU0-U418J-00 BR8ES...

  • Page 11: Safety Information

    Many states have minimum age and INFORMATION education requirements. Always check states and all applicable local boating When you operate your Yamaha Water laws that apply to you before you oper- Vehicle, you must know and practice the ate the water vehicle.

  • Page 12: Cruising Limitations

    EJU00613 Never ride in water that is less than 60 CRUISING LIMITATIONS cm ( 2 feet ) deep. You increase your EJX24011 Do not jump boat wakes or follow chance of hitting an underwater obsta- another boat or watercraft too closely. cle.

  • Page 13: Operational Requirements

    EJU00616a Both operator and a passenger should OPERATIONAL REQUIREMENTS wear water shoes to help protect feet EJX16010 Operating your water vehicle requires from objects hidden under water. Wear- skills acquired only through practice ing gloves can also help protect hands over a period of time.
  • Page 14 A helmet may have potential safety haz- For reasons of safety and proper care, ard, as well. A helmet could catch the always perform pre-operation water during a fall into the water. This checks on page 3-3 before riding. EJX15110 is commonly called “bucketing”.

  • Page 15: Hazard Information

    To prevent accidental starting of the This water vehicle is included in the engine, always remove the lock plate Class A inboard boat classification of from the engine stop lanyard switch the U.S. Coast Guard. A water craft of when the engine is not running. this type MUST carry a fire extinguisher of a B-1 classification, with a capacity of two pounds or more when navigating...

  • Page 16: Water Vehicle Characteristics

    Practice turning in an open area without obstructions until you have a good feel for this maneuver. Yamaha Water Vehicles are water-jet propelled. The jet pump is directly con- nected to the engine. This means that GP7-029...

  • Page 17: Rules Of The Road

    RULES OF THE ROAD SOUND SIGNALS Whenever two vessels on the water meet Your Yamaha water vehicle is legally con- one another, one vessel has the right-of- sidered a power boat. Operation of the way; it is called the “stand-on” vessel.

  • Page 18: Rules When Encountering Vessels

    In other words, follow the standard rules Meeting except when a collision will occur unless If you are meeting another power vessel both vessels try to avoid each other. If head on, and are close enough to run the that is the case, both vessels become risk of collision, neither of you has the “Give-Way”...

  • Page 19: Other Special Situations

    Overtaking Sailing Vessel Right-of-Way If you are passing another vessel, you are Sailing vessels should normally be given the “Give-Way” vessel. This means that the right-of-way. The exceptions to this the other vessel is expected to maintain are: its course and speed. You must stay out of its way until you are clear of it.
  • Page 20 tion. These markers are white with black Remember, markings may vary by geo- letters and orange boarders. They signify graphic location. Always consult local speed zones, restricted areas, danger boating authorities before riding your areas, and general information. water vehicle in unfamiliar waters. MAIN CHANNEL BUOYS "...

  • Page 21: To Get More Boating Safety Information

    EJU00320 EJU00322 TO GET MORE BOATING ENJOY YOUR WATER VEHICLE SAFETY INFORMATION RESPONSIBLY Be informed about boating safety. Addi- You share the areas you enjoy when tional publications and information can riding your Water Vehicle with others be obtained from many organizations, and with nature.

  • Page 22: Fuel Requirements

    Yamaha because it can cause fuel system Avoid overfilling the fuel tank. Stop fill- damage or engines performance prob- ing when the fuel level just reaches the lems. bottom of the filler tube. Do not fill up...
  • Page 23 – MEMO –...

  • Page 24: Feature And Functions

    Choke knob .........2-8 Throttle lever ........2-8 Starter switch ........2-8 Cooling water pilot outlet....2-9 Steering..........2-9 Quick shift trim system (Q.S.T.S.) ..2-10 Overheat warning system....2-11 Handgrips .........2-12 Bow eye, Rope holes, and Cleat..2-12 Multifunction meter ......2-13 Storage compartments ....2-22 Yamaha adjustable sponson (Y.A.S.) ..........2-24...

  • Page 25: Location Of Main Components

    Rear seat Front hood Front seat Choke knob Grove compartment Pull knob when starting a cold engine. Yamaha Adjustable Sponson (Y.A.S.) Rope hole Changes maneuvering characteristic by Rope attachment point for transporting, adjusting the sponson angle. mooring. Fuel tank filler cap...
  • Page 26 TK002A TK003A Engine stop switch lanyard (Cable) Starter switch By connecting to the stop switch and opera- Depress to start the engine. tor will stop the engine if the operator falls Multifunction meter off the vehicle. Shows engine speed and vehicle speed and Engine stop switch some other conditions on the vehicle.
  • Page 27 TK004A Fuel tank High tension cord Water separator Deliver electrical current to the spark plug. To trap water from the air passage to the Spark plug/Spark plug cap fuel tank. Electrical box Fuel filter Contains most electrical components, Prevents dust contained in fuel from getting included fuse in this water resistant box.

  • Page 28: Operation Of Controls And Other Functions

    EJU00328 OPERATION OF CONTROLS AND OTHER FUNCTIONS EJU00334 FRONT SEAT There is a seat latch under the rear seat. First remove the rear seat to reach the front seat latch lever, then remove the front seat. GP7-005 Removal Pull the front seat latch lever up, then lift the rear of the seat , and pull back.

  • Page 29: Front Hood

    Installation Position the seat on the deck so the front projections on the underside of the seat fits into the stays on the deck. Then push the rear of the seat down until the seat lock latches. NOTE: Make sure the seat is firmly secured GP7-009 before riding.

  • Page 30: Fuel Tank Filler Cap

    EJU00345 EJD18010 FUEL TANK FILLER CAP To remove the fuel tank filler cap, turn it counterclockwise. Fuel tank filler cap Be sure to tighten the cap securely before riding. GP7-013 EJU00704 FUEL COCK The fuel cock supplies fuel from the fuel tank to the carburetor.

  • Page 31: Engine Stop Switch

    EJU00705 ENGINE STOP SWITCH The engine can be stopped normally by pressing the red button GP7-018 EJU00706a ENGINE STOP LANYARD SWITCH The engine can be also stopped if you fall off, or in case of an emergency, when the lock plate attached to the lanyard pulled out from the engine stop lanyard switch...

  • Page 32: Choke Knob

    EJU00350a CHOKE KNOB Pulling this knob supplies a rich fuel-air mixture required to start a cold engine. NOTE: Refer to “STARTING THE ENGINE” in the chapter 3 for proper operation. Choke knob GP7-020 EJU00351 THROTTLE LEVER Moving the throttle lever toward the han- dlebar increases engine speed.

  • Page 33: Cooling Water Pilot Outlet

    EJU00354a COOLING WATER PILOT OUTLET This watercraft is equipped with a cool- ingwater pilot outlets at left side of the hull. Check that water comes out of the outlets while the engine is running. If you do not see any water at the outlets, cool- ing water may not be circulating in the engine.

  • Page 34: Quick Shift Trim System (Q.s.t.s.)

    EJU00360 QUICK SHIFT TRIM SYSTEM (Q.S.T.S.) The trim angle of your water vehicle can be adjusted by operating the Q.S.T.S. Operating the trim shifting grip of the Q.S.T.S. changes the angle of the jet (out- put) nozzle at the rear of the craft. The nozzle angle changes the trim angle of the GP7-025 vehicle to one of five positions : two posi-...

  • Page 35: Overheat Warning System

    Shifting to “Bow Down” “Bow Down” puts more of the bow in the water. This gives the water vehicle more “hook”, which enhances turning perfor- mance. This position will also help the water vehicle get up on plane more quick- ly.

  • Page 36: Handgrips

    GP7-029 If you cannot locate and correct the cause of the overheating, consult a Yamaha dealer. Continuing to operate at higher speeds could result in severe engine damage.

  • Page 37: Multifunction Meter

    EJU00656a MULTIFUNCTION METER This meter contains following functions W A R N I N G for the help and convenience of opera- 1000 tion. r/min A/ SET “MODE” button MODE “SET” button “CODE” setting buttons Tachometer GP7-032 Speedometer Fuel level meter Engine oil level meter W A R N I N G Display for Clock, Hour meter, Trip meter...
  • Page 38 EJU00657a PADLOC (Programmable digital locking ignition) This feature is provided to deter unautho- rized use. The function allows you to chose either “START” or “LOCK” mode, as the situation requires, much as you would use a main switch key in a motor vehicle.
  • Page 39 4) After completing code setting, the W A R N I N G buzzer will sound 3 times and the dis- play will show “SET”. Lastly, the dis- play turns off and the warning lamp A/ SET (LED) turns on again. After the meter has displayed this sequence, recon- nect the blue connector.
  • Page 40 4) If the code entered is correct, the mode will change from the previous W A R N I N G W A R N I N G mode to either “START” or “LOCK”. Then the mode display and buzzer will operate for 2 seconds.
  • Page 41 EJU00384 Speedometer W A R N I N G The meter shows the vehicle speed in 1000 miles per hour (mph). r/min MODE GP7-045 EJU00386a Fuel level meter The fuel level meter is provided for con- W A R N I N G venient fuel level checking while riding.
  • Page 42 EJU00387a Engine oil level meter The engine oil level meter is provided for W A R N I N G convenient oil level checking while riding. The engine oil level meter has three seg- A/ SET ments which show the amount of oil Empty remaining in the oil tank.
  • Page 43 6) The buzzer will sound twice. The warning indicator lamp and “SET” blinks for 2 seconds. Then the display turns to “CLOCK” and shows the time. NOTE: After the battery terminal is disconnected, the clock will be reset. EJU00390 Hour meter W A R N I N G The hour meter is provided to make it easy to follow the maintenance schedule.
  • Page 44 EJU00660a Trip meter W A R N I N G A trip meter is provided for measuring the approximate traveled distance in miles. A/ SET To show the trip meter, press the “MODE” button until the display shows “TRIP”. After showing “TRIP”, the display MODE turns to “MILE”.
  • Page 45 The buzzer also starts sounding. If this happens during opera- tion, beach the vehicle. Then recharge the GP7-058 battery and have the charging system inspected by a Yamaha water vehicle dealer. NOTE: In warning indicators operation, the warning indicators will operate for 30 seconds after stopping the engine.

  • Page 46: Storage Compartments

    If your owner’s manual becomes dam- aged, order replacement from Yamaha water vehicle dealer. Front storage compartment A front storage compartment is provided under the front hood. GP7-059 Opening Pull up the latch lever to open the front hood.
  • Page 47 Grove compartment A grove compartment is provided below the handlebars. Push the latch button to open the lid. To close the lid, push the lid down to lock it securely. Latch button Storage compartment: Capacity: 1 L (0.26 US gal, 0.22 Imp gal) GP7-062 Load limit: 1 kg (2.2 lb) Seat storage compartment...

  • Page 48: Yamaha Adjustable Sponson (Y.a.s.)

    EJU00409 YAMAHA ADJUSTABLE SPONSON (Y.A.S.) The sponsons have adjustable positioning to allow the operator to enhance either straight-line performance or turning per- formance according to the preference and operating conditions. GP7-065 Sponson Adjusting to upward There will be less water resistance in this...
  • Page 49 – MEMO –...

  • Page 50: Operation And Riding

    EJU00410 Chapter 3 OPERATION AND RIDING GASOLINE (PETROL) AND ENGINE OIL FILLING..........3-1 Filling the Gasoline (petrol) tank ..3-1 Filling the oil tank.......3-2 PRE-OPERATION CHECKS ......3-3 Check list ..........3-3 Check point .........3-4 OPERATION..........3-9 Break-in (Running-in) procedure..3-9 Starting the engine ......3-11 Stopping the engine ......3-14 RIDING YOUR WATER VEHICLE ..3-15 Getting to know your water vehicle ..........3-15...

  • Page 51: Gasoline (Petrol) And Engine Oil Filling

    EJU00411 GASOLINE (PETROL) AND ENGINE OIL FILLING This engine uses Yamaha’s oil injection system, which provides superior lubrica- tion by ensuring the proper oil ratio for all operating conditions. No fuel premixing is necessary (except during break-in / run- ning-in). Simply pour gasoline (petrol) into the fuel tank and oil into the oil tank.

  • Page 52: Filling The Oil Tank

    Otherwise, engine damage may occur. If bleeding of the oil pump is necessary, take the water vehicle to your nearest Yamaha dealer. Oil tank capacity: GP7-067 4.0 litres (1.06 US gal, 0.88 Imp gal) Oil in the bilge is a serious fire hazard.

  • Page 53: Pre-Operation Checks

    EJU00422 PRE-OPERATION CHECKS CHECK LIST Before operating this water vehicle, perform the following checks: If any item in the Pre-Operation check is not working properly, have it inspected and repaired before operating the water vehicle. Otherwise an accident could occur. ITEM ROUTINE PAGE...

  • Page 54: Check Point

    EJU00425a CHECK POINT Engine compartment Open the front hood and remove the stor- age compartment, and also remove the front seat for a few minutes to allow any fuel vapors to escape. GP7-068 Failure to ventilate the engine compart- ment to release fuel vapors could result in fire or explosion.
  • Page 55 EJU00432a Water separator 1) Check the water separator to see if there is any water in this separator. This water separator retains any water entering through the fuel tank breather pipe if the Vehicle is cap- sized. Normally this water separator is empty.
  • Page 56 NOTE: A fire extinguisher is not standard equip- ment with this vehicle. If you do not have one, contact your local Yamaha Water Vehicle dealer or a fire extinguisher dealer to obtain one meeting the proper specifi- cations.
  • Page 57 EJU00447 Throttle Operate the throttle lever several times to make sure there is no hesitation in its travel. It should be smooth over the com- plete range, and spring back to the idle position on its own when released. GP7-072 EJU00448 Steering Make sure the handlebars are not loose.
  • Page 58 EJU00915a Switches First, place the vehicle in the water to pro- vide adequate engine cooling. Push the starter switch and start the engine, then push the engine stop switch Restart the engine and pull the engine stop switch lanyard on your left wrist to remove the lock plate from the engine GP7-074...

  • Page 59: Operation

    EJU00455 OPERATION Before operating your water vehicle, become familiar with all controls. Consult your Yamaha dealer about any control or function you do not fully understand. Failure to understand how controls work could cause an accident or prevent you from avoiding an accident.
  • Page 60 1) Launch the vehicle and start the engine. Never ride in water that is less than 60 cm (2 feet) deep. You increase your chance of hitting an underwater obstacle. You could be injured. Operate at higher speeds only in deep water free of under water obstacles.

  • Page 61: Starting The Engine

    EJU00461a STARTING THE ENGINE This product emits exhaust gases which contain carbon monoxide, a colorless, odorless gas which may cause brain dam- age or death when inhaled. Symptoms include nausea, dizziness, and drowsi- ness. Operate the vehicle in a open area. 1) Always make sure the vehicle is launched and used in waters that are free from weeds and debris, and in...
  • Page 62 3) Attach the lock plate to the engine stop lanyard switch. Also, attach the lanyard to your left wrist. Engine stop lanyard switch Lanyard Lock plate GP7-079 Check that the lanyard is not frayed or broken, wrapped around the handlebars, or tangled in controls.
  • Page 63 NOTE: If initial setting of the PADLOC has not been done, the “START” mode is auto- matically selected. If you have previously chosen “LOCK” mode, the engine will not start unless the right code is put in to select “START” mode. 6) While lightly squeezing the throttle lever, push the starter switch (green button).

  • Page 64: Stopping The Engine

    8) After the engine is warm, push the choke knob in fully, to its original position. NOTE: If the choke knob is left pulled out, the engine will stall. EJU00666a STOPPING THE ENGINE To stop the engine, release the throttle lever, then push and hold the engine stop switch (red button) with your left hand.

  • Page 65: Riding Your Water Vehicle

    EJU00466 EJU00472 RIDING YOUR WATER VEHICLE LEARNING TO RIDE YOUR WATER VEHICLE GETTING TO KNOW YOUR WATER Before riding, always perform the Pre- Operation Checks listed on page 3-3. The VEHICLE short time spent checking the machines Riding your water vehicle requires skills condition will reward you with added acquired through practice over a period of safety and a more reliable water vehicle.

  • Page 66: Riding With A Passenger

    Wind, water, and glare from the sun may and vagina) from strong jet streams, and get in your eyes while you operate your from impact with the water surface. Wet- water vehicle, reducing your ability to see. suits also help protect against hypother- You may want to consider wearing eye mia (low body temperature) and abra- protection such as sunglasses or goggles...

  • Page 67: Starting

    EJU00484 STARTING There may be other water craft, obstructions, or swimmers around you. Check carefully before starting off to avoid an accident. Practice getting on board in shallow water before riding in deep water. EJU00486a Starting in shallow water 1) Do not start your water vehicle in less than 60 cm (2 feet) of water.

  • Page 68: Boarding And Starting In Deep Water

    EJU00490a BOARDING AND STARTING IN DEEP WATER Operator and passenger should prac- tice getting on board in shallow water before riding in deep water. Reboarding in deep water requires more skill. The fatigue and exposure that could result after unsuccessful attempts to get back on the vehicle may increase the risk of injuries and drowning.
  • Page 69 EJU00492a With a passenger Strong streams of water from the jet noz- zle can be dangerous, and can result in injury when directed at body orifices (rec- tum and vagina). Do not open the throttle until each passenger is seated with feet K2011 on the floor and is holding on to the per- son in front of him or her.

  • Page 70: Load Limit

    EJU00494a LOAD LIMIT The heavier the total weight of the opera- tor and passenger, the more difficult it will be to balance the water vehicle. It is not advisable to ride the vehicle when the total weight exceeds 160 kg (353 lb) including any cargo.

  • Page 71: Capsized Water Vehicle

    EJU00497a CAPSIZED WATER VEHICLE 1) Turn off the engine by removing the lock plate from the engine stop lan- yard switch. The engine will overheat when capsized because it has no water to pump as coolant. 2) Swim to the rear side of the vehicle. KA013 Pull the vehicle over clockwise with the left hand on the ride plate while...

  • Page 72: Turning

    If the vehicle has been capsized for 5 min- utes or more, air may have entered the oil injection system. Leave the engine off, or operate only at trolling speeds, for 10 minutes after the vehicle has been put right-side up. This will allow any air to bleed off.

  • Page 73: Stopping

    EJU00634 STOPPING The water vehicle is not equipped with a 115m (380 ft) separate braking system. It is stopped by water resistance when the throttle lever is released. From full speed, the water vehi- cle stops in approximately 115 m (380 feet) after the throttle is released and the engine stopped.

  • Page 74: Docking

    3) Get off the vehicle and pull it up on the beach. Small pebbles, sand, seaweed, and other debris can be ingested into the jet intake and impair or damage the impeller. Always stop the engine and get off before beaching the vehicle. EJU00505 DOCKING 1) Make sure no obstructions, boats or...

  • Page 75: Post-Operation Checks

    EJU00508a POST-OPERATION CHECKS 1) After removing the vehicle from the water, put the vehicle in the horizon- tal position. 2) Flush cooling system to prevent the cooling system from clogging up with salt, sand, or dirt. “Refer to pages 4-1 for the cooling system flushing proce- dure”.
  • Page 76 Always properly dispose of gasoline (petrol) soaked rags. They can sponta- neously ignite. 7) Spray a rust inhibitor, such as Yamaha Silicone Protectant Lubricant, on metallic parts to mini- mize corrosion. 3-26...

  • Page 77: Transportation

    EJU00513 TRANSPORTATION Always place the fuel cock in the “OFF” position when transporting the water vehicle. Otherwise, fuel could leak out into the engine or engine compartment, GP7-086 which would create a fire hazard. When transporting the water vehicle on a trailer, lock the bow with a pin to the trail- er and secure the stern with ropes or tie downs through the rope hole(s) on the...

  • Page 78: Maintenance And Care

    Quick shift trim system mechanism inspection .........4-14 Spark-plug cleaning and adjustment........4-15 Greasing points........4-16 Choke cable adjustment....4-19 Battery ..........4-19 Carburetor adjustment ....4-22 Fuse replacement......4-23 Bleeding the oil injection pump ..4-23 YAMAHA adjustable sponson (Y.A.S.) adjustment........4-24 SPECIFICATIONS ........4-25 1 6 5...

  • Page 79: Storage

    It is advis- able to have the water vehicle serviced by an authorized Yamaha Water Vehicle dealer prior to storage. However, the fol- lowing procedures can be performed by the owner with a minimum of tools.
  • Page 80 3) Connect both garden hose adapter and a water tap using a hose. 4) Start the engine. Then, immediately turn on water supply until the water flows out continually from the cooling water pilot outlet. 5) Run the engine at an idle speed for 10 to 15 minutes watching engine condi- tion.

  • Page 81: Lubrication

    2) With the water vehicle in a well-venti- lated area, start the engine. 3) With the engine running at a fast idle, quickly spray as much Yamaha Stor- Rite Fogging Oil or an equivalent, as possible into the carburetor through the hole(s) in the silencer cover.
  • Page 82 6) Lubricate all cables such as the throt- tle, choke, and steering cables. NOTE: Use a Yamaha Power Cable Luber and Yamaha Lube-Zall to pressure lubricate the cables and purge out any moisture between the inner and outer cables.

  • Page 83: Fuel System

    EJU00528a FUEL SYSTEM Top off the fuel tank with fresh fuel/oil mixture and add one ounce of Yamaha Fuel Stabilizer and Conditioner to each gallon of fuel. NOTE: Use of Yamaha Fuel Stabilizer and Condi- tioner eliminates the need to drain the fuel system.

  • Page 84: Cleaning

    Silicone Protectant Lubricant. 4) Wax the hull with a non-abrasive wax such as Yamaha Silicone Wax. 5) Wipe all vinyl and rubber compo- nents, such as the seat and engine compartment seals, with a vinyl pro- tectant such as Yamaha Protectant.

  • Page 85: Adjustment And Maintenance

    Remember that failures which are the result of the installation of parts or acces- sories which are not qualitatively equiva- lent to genuine Yamaha parts are not cov- ered by the limited warranty. Be sure to turn off the engine when you perform maintenance unless otherwise specified.

  • Page 86: Owner's Manual And Tool Kit

    NOTE: A service manual is available for purchase through a Yamaha water vehicle dealer for owners who have the mechanical skills, tools, and other equipment neces- sary to perform maintenance not covered by this owner’s/operator’s manual. OWNER’S MANUAL AND TOOL KIT It is advisable always to carry the Owner’s...

  • Page 87: Periodic Inspection Chart

    Frequency of maintenance operations may be adjusted according to the operating conditions, but the following table gives general guidelines. The mark (●) indicates the checkups which you may do yourself. The mark ( ) indicates work to be done by your Yamaha dealer. Maintenance interval Thereafter Initial...

  • Page 88: Fuel System Inspection

    Check the fuel system for leaks, cracks, or malfunctions. If any problem is found, do the necessary repair or replacement as required. If repair is necessary, consult your nearest Yamaha Water Vehicle deal- Checking points Carburetor leakage. Fuel pump malfunction or leakage.

  • Page 89: Fuel Filter

    The filter should be replaced once a year or after every 200 hours of operation, or if water is found in the filter, take the water vehicle to your Yamaha dealer if fuel filter replacement is required. GP7-093 Fuel filter Do not try to change the fuel filter your- self.

  • Page 90: Oil Injection System Inspection

    Check the oil hose and joint. When the oil tank need to be cleaned, or when any water or dirt is found in the oil tank, take the water vehicle to your Yamaha dealer for service. Oil filter cleaning If the filter is clogged, remove it together with the oil level sender from the oil tank and clean it.

  • Page 91: Steering Cable Inspection

    ADJUSTMENT 1) By pulling or releasing the throttle lever, check that it moves back to the set position smoothly. If not, ask your Yamaha Water Vehicle dealer for ser- vice. GP7-098 2) Throttle lever free play should be within specification. If it is not, adjust...

  • Page 92: Quick Shift Trim System Mechanism Inspection

    If the mechanism does not work properly, GP7-100 ask your Yamaha Water Vehicle dealer to service it. GP7-101 4-14...

  • Page 93: Spark-Plug Cleaning And Adjustment

    Instead, take the water vehicle to a Wipe off any dirt from the threads and Yamaha Water Vehicle dealer. You should screw in the spark-plug to the correct periodically remove and inspect the torque.

  • Page 94: Greasing Points

    (Yamaha Marine Grease, YAMAHA grease A) or equivalent. Throttle cable and choke cable 1) Grease the carburetor throttle cable and choke cable inner wires. GU0-102 2) Pull the throttle lever and remove the seal.
  • Page 95 EJU00558 Quick Shift Trim System cable joint and inner wire 1) Grease the all joints of the system on the under side of the seat storage com- partment and at the steering nozzle. 2) Extend the inner wire of the trim shift cable under the seat storage compart- ment.
  • Page 96 Bearing housing Grease the bearing housing through the grease nipple This service should be done first after 10 hours or 1 month by your YAMAHA deal- Fill the bearing housing with water resis- GU0-111 tant grease through the grease nipple.

  • Page 97: Choke Cable Adjustment

    EJU00570a CHOKE CABLE ADJUSTMENT Pull the choke knob out until it stops. Release the knob. The knob should not move. If it moves back on its own, tighten the friction adjustment slightly. If the knob is difficult to move, loosen the friction adjustment slightly.
  • Page 98 Battery electrolyte is poisonous and dan- gerous, causing severe burns, etc. Con- tains sulfuric acid. Avoid contact with skin, eyes or clothing. Antidote: EXTERNAL-Flush with water. INTERNAL-Drink large quantities of water or milk. Follow with milk of magnesia, beaten egg or vegetable oil. Call physi- cian immediately.
  • Page 99 Recharging When charging the battery keep it well away from sparks and open flames, as it gives off explosive gases. When using a battery charger, connect the battery to the charger before you turn the charger on. This will prevent sparking at the terminals which could ignite battery gases.

  • Page 100: Carburetor Adjustment

    However, the following point may be serviced by the owner as part of his usual maintenance routine. The carburetor was set at the Yamaha factory after many tests. If the settings are disturbed without having technical knowledge, poor engine performance and damage may result.

  • Page 101: Fuse Replacement

    If the oil tank becomes completely empty or any hose connected to oil pump has been disconnected, the oil pump must be bled to ensure proper oil flow. If bleeding of the oil pump is necessary, take the water vehicle to your nearest Yamaha dealer. 4-23...

  • Page 102: Yamaha Adjustable Sponson (Y.a.s.) Adjustment

    EJU00587a YAMAHA ADJUSTABLE SPONSON (Y.A.S.) ADJUSTMENT 1) Loosen the cap nuts on both spon- son. 2) Loosen the adjuster lock nut on either sponson. Turn the adjuster to move the sponson up or down to the desired position. GP7-121 Cap nut...

  • Page 103: Specifications

    EJU00588 SPECIFICATIONS Model Unit GP800 Item VEHICLE CAPACITY Maximum people on board Number of people Maximum load capacity kg (lb) 160 (352) DIMENSIONS Length mm (in) 2,860 (112.6) Width mm (in) 1,120 (44.1) Height mm (in) 970 (38.2) Dry Weight kg (lb) 226 (498) PERFORMANCE...

  • Page 104: Troubleshooting And

    EJU00594 Chapter 5 TROUBLESHOOTING AND EMERGENCY PROCEDURE TROUBLESHOOTING ......5-1 Troubleshooting chart .......5-1 EMERGENCY PROCEDURES ....5-3 Cleaning the jet intake and impeller........5-3 Connecting jumper cables ....5-4 Towing the water vehicle....5-6 Submerged water vehicle ....5-7...

  • Page 105: Troubleshooting

    If you can not find the cause, or if the procedure for replacement or repair is not described on this owner’s manual, ask your Yamaha Water Vehicle dealer or qualified mechanic for the proper service. The trouble shooting chart contains “TROUBLE”, “POSSIBLE CAUSE”, “REMEDY”, “REFER PAGE”.
  • Page 106 Refill as soon as possible The engine runs irregularly or stalls Fuel Stale or contaminated Have a service at 4-10 Yamaha dealer Choke Knob is left pulled Push it in fully Clogged or water collected Have service at Fuel Filter...

  • Page 107: Emergency Procedures

    EJU00597 EMERGENCY PROCEDURES EJU00598a CLEANING THE JET INTAKE AND IMPELLER If weeds or debris get caught in the intake or impeller, cavitation can occur, and though the engine speed rises, forward thrust will decrease. If this condition is allowed to continue, the engine will over- heat and may seize.

  • Page 108: Connecting Jumper Cables

    If it is difficult to remove them, con- sult your Yamaha Water Vehicle deal- Always avoid running your vehicle in areas where weed growth is thick. If trav- eling in weeded areas is unavoidable, run the engine alternately at partial-throttle and full-throttle.
  • Page 109 EJU00600a To connect the jumper cables 1) Connect the positive (+) terminals of both batteries with the positive (red) jumper cable. 2) Connect one end of the negative (black) jumper cable to the negative (–) terminal of the booster battery. 3) Connect the other end of the negative (black) cable to an unpainted bolt on the cylinder head.

  • Page 110: Towing The Water Vehicle

    EJU00603 TOWING THE WATER VEHICLE If the vehicle becomes inoperative in the water, it can be towed to shore. The bow must be kept up out of the water during towing to prevent water from entering the engine compartment. If the vehicle must be towed in an emer- gency using a tow rope, the operator should ride the vehicle, holding onto the handlebars.

  • Page 111: Submerged Water Vehicle

    EJU00829 SUBMERGED WATER VEHICLE If the water vehicle is submerged or flooded with water, follow the procedure below and consult your Yamaha water vehicle dealer as soon as possible. Failure to do so may result in serious engine damage !

  • Page 112: Index

    EJU00608 Chapter 6 INDEX INDEX............6-1...
  • Page 113 EJU00609 Engine oil level meter......2-18 INDEX Engine stop lanyard switch.....2-7 Engine stop switch........2-7 Enjoy your water vehicle responsibly .1-17 Adjustment and maintenance ....4-7 Approval label of emission control certificate...........1-2 Filling the gasoline (petrol) tank.....3-1 Filling the oil tank........3-2 Fire extinguisher ........3-6 Battery ........3-6, 4-5, 4-19 Beaching ..........3-23 Fishing vessel right-of-way....1-15...
  • Page 114 Quick shift trim system cable joint and Labels ............1-4 inner wire..........4-17 Learning to ride your water vehicle..3-15 Quick shift trim system mechanism Limitations on who may operate the inspection ..........4-14 vehicle ............1-7 Load limit ..........3-20 Reading buoys and other markers..1-15 Location of main components....2-1 Rear seat ...........2-4 Lubrication..........4-3...
  • Page 115 Trip timer ..........2-19 Trolling speed ........4-22 Troubleshooting........5-1 Troubleshooting chart......5-1 Turning............3-22 United states coast guard .....1-17 Warning indicators ........2-20 Warning labels .........1-4 Water separator ........3-5 Water vehicle characteristics....1-12 With a passenger ........3-19 Yamaha adjustable sponson (Y.A.S.) ..2-24 Yamaha adjustable sponson (Y.A.S.) adjustment..........4-24...

  • Page 116: Limited Warranty

    Owner’s Manual. The owner of the water vehicle shall give notice to an authorized Yamaha water vehicle dealer of any and all apparent defects within ten [10] days of discovery and make the vehicle available at that time for inspection and repairs at the dealer’s place of business.
  • Page 117 If you should move after you have purchased your new water vehicle, please advise us of your new address by sending a postcard listing your Yamaha model name, engine number, dealer number [or dealer’s name] as it is shown on your warranty card, your name and new mailing address.
  • Page 118 This excellent Y.E.S. plan coverage is only available to Yamaha owners like you, and only while your Yamaha is still within the Yamaha Limited Warranty period. So visit your authorized Yamaha dealer to get all the facts. He can show you how easy it is to protect your investment with Yamaha Extended Service.
  • Page 119 YAMAHA MOTOR CORPORATION, USA Printed in U.S.A. Jun. 1999—?.?×1 CR GU0-F8199-13 (GP800) Printed on recycled paper...

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