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VZ300C
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-05-63
6C9-28199-10

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Summary of Contents for Yamaha VZ300C

  • Page 1 VZ300C OWNER’S MANUAL U.S.A.Edition LIT-18626-05-63 6C9-28199-10...
  • Page 2 EMU25071 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.
  • Page 3: Important Manual Information

    EMU25110 tain maximum enjoyment from your new Yamaha. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer. VZ300C In this Owner’s Manual particularly important...
  • Page 4: Table Of Contents

    Table of contents General information ......1 Overheat warning indicator (digital type) ..........17 Identification numbers record..1 Speedometer (digital type) ....17 Outboard motor serial number ..1 Trim meter (digital type) ....18 Key number........1 Hour meter (digital type)....18 Emission control information ...
  • Page 5 YEAR LIMITED WARRANTY ..66 Periodic maintenance....43 IMPORTANT WARRANTY Replacement parts ......43 INFORMATION IF YOU USE YOUR Maintenance chart ......44 YAMAHA OUTSIDE U.S.A. OR Maintenance chart (additional)..45 CANADA ........69 Greasing ......... 46 Cleaning and adjusting spark plug ..........46 Checking fuel system ......
  • Page 6: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto- len. 1. Key number...
  • Page 7: Star Labels

    General information ZMU02095 ZMU01856 EMU25260 EMU25280 Manufactured date label One Star—Low Emission This label is attached to the clamp bracket or The one-star label identifies engines that the swivel bracket. meet the Air Resources Board’s 2001 ex- haust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke en- gines.
  • Page 8: Safety Information

    General information the outboard should be equal to or less than the rated horsepower capacity of the boat. If the rated horsepower capacity of the boat is unknown, consult the dealer or boat manufacturer. Do not modify the outboard. Modifications could make the motor unfit or unsafe to use.
  • Page 9: Important Labels

    General information of the road” on page 5. EMU25380 Important labels Stay informed about the weather. Check EMU25392 weather forecasts before boating. Avoid Warning labels boating in hazardous weather. Tell someone where you are going: leave a Float Plan with a responsible person. Be sure to cancel the Float Plan when you re- turn.
  • Page 10: Caution Labels

    General information YAMALUBE 2 STROKE OUTBOARD OIL or The rules presented here in your Owner’s an equivalent TC-W3 certified ouboard oil. Manual are condensed, and have been pro- EWM01270 vided for your convenience only. Consult WARNING your local U.S. Coast Guard Auxiliary or De- Do not add gasoline to the oil tank.
  • Page 11: Rules When Encountering Vessels

    General information stances, which may render a departure from way! Both of you should alter course to avoid the above rules necessary in order to avoid an accident. You should keep the other ves- immediate danger.” sel on your port (left) side. This rule doesn’t In other words, follow the standard rules ex- apply if both of you will clear one another if cept when a collision will occur unless both...
  • Page 12: Other Special Situations

    General information course and speed. You must stay out of its In a narrow channel, a sailing vessel way until you are clear of it. Likewise, if an- should not hamper the safe passage of other vessel is passing you, you should a power-driven vessel which can navi- maintain your speed and direction so that the gate only in such a channel.
  • Page 13: Fueling Instructions

    General information ZMU01708 EMU25540 away from sparks, flames, or other Fueling instructions sources of ignition. EWM00010 Stop engine before refueling. WARNING Refuel in a well-ventilated area. Refuel GASOLINE AND ITS VAPORS ARE HIGH- portable fuel tanks off the boat. LY FLAMMABLE AND EXPLOSIVE! Take care not to spill gasoline.
  • Page 14: Gasoline

    Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems.
  • Page 15: Battery Specifications

    For instructions on propeller removal and in- on the engine. stallation, see page 51. Yamaha outboard motors are fitted with pro- EMU25770 pellers chosen to perform well over a range Start-in-gear protection of applications, but there may be uses where...
  • Page 16: Basic Components

    Basic components EMU25794 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. VZ300C YAMAHA SPEED SPEED Km/h knot mile TRIP TRIP TIME BATT BATT mode mode ZMU02097 1.
  • Page 17: Remote Control Lever

    Basic components 6. Throttle 7. Fully open EMU26200 Neutral interlock trigger To shift out of neutral, first pull the neutral in- terlock trigger up. 1. Power trim and tilt switch 2. Remote control lever 3. Neutral interlock trigger 4. Neutral throttle lever 5.
  • Page 18: Throttle Friction Adjuster

    Basic components EMU25990 Engine stop lanyard switch The lock plate must be attached to the en- gine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall overboard or leave the helm, the lanyard will pull out the lock plate, stopping ignition to the engine.
  • Page 19: Main Switch

    Basic components EMU26140 Power trim and tilt switch on remote control The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pressing the switch “ ” (up) trims the outboard motor up, then tilts it up. Pressing the switch “...
  • Page 20: Trim Tab With Anode

    Basic components while the boat is moving could increase protect the engine from electrochemical the risk of falling overboard and could corrosion. Never paint the trim tab as it distract the operator, increasing the risk will become ineffective as an anode. of collision with another boat or an obsta- cle.
  • Page 21: Top Cowling Lock Lever (Pull Up Type)

    Basic components ter passages of the motor using a garden hose and tap water. NOTE: For details on usage, see page 41. ZMU01864 EMU26382 Top cowling lock lever (pull up type) To remove the engine top cowling, pull up the lock lever(s) and lift off the cowling. ZMU01866 When installing the cowling, check to be sure it fits properly in the rubber seal.
  • Page 22: Oil Level Indicator (Digital Type)

    Basic components 7. Mode button EMU26550 Oil level indicator (digital type) This indicator shows the engine oil level. If the oil level falls below the lower limit, the warning indicator will start to blink. For fur- ther information, see page 21. ECM00030 CAUTION: ZMU01868...
  • Page 23: Trim Meter (Digital Type)

    Basic components ting the selector switch on the back of the EMU26650 Hour meter (digital type) gauge. See the illustration for settings. This meter shows the number of hours the engine has been run. It can be set to show the total number of hours or the number of hours for the current trip.
  • Page 24: Clock

    ECM00860 CAUTION: NOTE: The trip distance is shown in kilometers or The Yamaha fuel tank sensor differs from miles depending upon the unit of measure- conventional sensors. Incorrectly setting ment selected for the speedometer. the selector switch on the gauge will give The trip distance is kept in memory by bat- false readings.
  • Page 25: Low Battery Voltage Warning Indicator

    Do not continue to operate the engine if a with full throttle if a warning device has warning device has activated. Consult activated. Get back to the port within troll- your Yamaha dealer if the problem can- ing engine speed. not be located and corrected. EMU26811 Overheat warning This engine has an overheat warning device.
  • Page 26: Oil Level Warning And Oil Filter Clogging Warning

    Basic components ZMU01871 If the warning system has activated, stop the The oil level warning indicator will light. engine and check the cooling water inlet for The buzzer will sound. clogging. If the warning system has been activated, stop the engine and check for the cause. NOTE: The warning for oil filter clogging is similar to the warnings for low oil level and overheat-...
  • Page 27 Basic components ZMU01952 1. Oil filter...
  • Page 28: Operation

    Operation EMU26900 specific boat and motor combination. Installation EWM00830 ECM00110 WARNING CAUTION: Improper mounting of the outboard mo- Incorrect engine height or obstructions tor could result in hazardous conditions to smooth water flow (such as the design such as poor handling, loss of control, or or condition of the boat, or accessories fire hazards.
  • Page 29: Breaking In Engine

    Test runs at different heights can help de- termine the optimum mounting height. Consult your Yamaha dealer or boat man- ufacturer for further information on deter- mining the proper mounting height. For instructions on setting the trim angle of the outboard motor, see page 32.
  • Page 30: Preoperation Checks

    If you have an easy-plan- Check fuel line connections to be sure they ing boat, accelerate at full throttle onto are tight (if equipped Yamaha fuel tank or plane, then immediately reduce the boat tank). throttle to 3000 r/min or less.
  • Page 31 After any air in the oil lines has been expelled, the oil injection system should supply oil normally. If no oil is flowing after 10 minutes of idling, consult your Yamaha dealer. ECM00560 CAUTION: Be sure to take the above steps when...
  • Page 32: Filling Fuel And Engine Oil

    When enough de- ZMU01877 posits collect, piston rings begin sticking. Performance drops and engine wear in- Turn on the main switch. The Yamaha creases dramatically. oil injection system will automatically While many additives available may reduce feed oil from the remote oil tank to the deposits, Yamaha recommends the use of engine oil tank.
  • Page 33: Oil Level Indicator Operation

    Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27381 Oil level indicator Electric start models Oil level warning Oil level warning Engine oil Remote oil indicator indicator (analog Remarks tank tank (digital tachometer) tachometer)
  • Page 34: Operating Engine

    Operation EMU27450 Operating engine EMU27480 Feeding fuel EWM00420 WARNING Before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. EMU27490 When the air vent screw is loosened, Starting engine...
  • Page 35: Warming Up Engine

    Operation that could tear loose. Do not route the (on). lanyard where it could become entan- ECM00191 CAUTION: gled, preventing it from functioning. Never turn the main switch to “ ” Avoid accidentally pulling the lanyard (start) while the engine is running. during normal operation.
  • Page 36: Shifting

    Stop the engine and check quickly and firmly from neutral to forward. whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located and cor- rected. EMU27781...
  • Page 37: Stopping Engine

    Operation EMU27820 the boat, sea conditions, and running speed. Stopping engine EWM00740 WARNING Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- Excessive trim for the operating condi- ping the engine immediately after operating tions (either trim up or trim down) can at high speed is not recommended.
  • Page 38: Adjusting Boat Trim

    Operation body parts between the drive unit and “ ” (down). clamp bracket. Make test runs with the trim set to different Use caution when trying a trim position angles to find the position that works best for for the first time. Increase speed gradu- your boat and operating conditions.
  • Page 39: Tilting Up And Down

    Operation formance further, and the boat may “por- EMU27931 Tilting up and down poise” (hop in the water), which could throw If the engine will be stopped for some time or the operator and passengers overboard. if the boat is moored in shallows, the out- board motor should be tilted up to protect the propeller and casing from damage by colli- sion with obstructions, and also to reduce...
  • Page 40: Procedure For Tilting Down (Power Trim And Tilt/Power Tilt Models)

    Operation power tilt switch “ ” (up) until the out- in the power trim and tilt unit loses pres- board motor has tilted up completely. sure. If the trim rods equipped: once the out- board motor is supported with the tilt support lever, press the power trim and tilt switch “...
  • Page 41: Cruising In Shallow Water

    Operation to allow operation in shallow water. EWM00660 WARNING Place the gear shift in neutral before setting up for shallow water cruising. Return the outboard motor to its normal position as soon as the boat is back in deeper water. ECM00260 ZMU01885 CAUTION:...
  • Page 42: Cruising In Other Conditions

    NOTE: For cooling system flushing instructions, see page 39. Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit if you use the outboard motor in turbid (mud- dy) water conditions.
  • Page 43: Maintenance

    Maintenance EMU28212 Min. cold cranking amps (CCA/SAE): Specifications 512.0 A Dimension: Min. marine cranking amps (MCA/ABYC): Overall length: 675.0 A 906 mm (35.7 in) Min. reserve capacity (RC/SAE): Overall width: 182 minutes 568 mm (22.4 in) Alternator output for battery DC: Overall height L: 50.0 A 1714 mm (67.5 in)
  • Page 44: Transporting And Storing Outboard Motor

    Do not use any chemical goods contain- hazard. ing Silicon, Phosphorus, or Lead. Con- EWM00700 sult your Yamaha dealer for details on the WARNING use of chemical goods for storage. Never get under the lower unit while it is EMU28301 tilted, even if a motor support bar is used.
  • Page 45: Lubrication (Oil Injection Models)

    Run the engine at idle in neutral for about 10–15 minutes. Just prior to turning off the engine, quick- ly spray “Yamaha Stor-Rite Engine Fogging Oil” (Part No. LUB-STRRT-12- 00) alternately into each carburetor / ZMU02361 each intake manifold.
  • Page 46: Cleaning And Anticorrosion Measures

    Wax the cowling with a non-abrasive ways apply. Consult your battery wax such as “Yamaha Silicone Wax” manufacturer’s instructions. (Part No. ACC-11000-15-02). Procedure EMU28430 Disconnect and remove the battery from Battery care the boat. Always disconnect the black...
  • Page 47: Cleaning The Outboard Motor

    A touch-up paint is avail- ECM00540 CAUTION: able from your Yamaha dealer. Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera-...
  • Page 48: Periodic Maintenance

    If you or the owner is not famil- iar with machine servicing, this work should be done by your Yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emission control devices and sys- tems may be performed by any marine engine repair establishment or individual.
  • Page 49: Maintenance Chart

    Refer to the sections in this chapter for explanations of each owner-specific action. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every 50 hours Item...
  • Page 50: Maintenance Chart (Additional)

    Maintenance Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) High pressure fuel Inspection / filling pump oil level Oil pump Inspection / adjustment Oil tank water drain Inspection / cleaning Cleaning / adjustment / Spark plug(s) replacement NOTE:...
  • Page 51: Greasing

    Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) VZ300C ZMU01986 sparks, which could lead to explosion or EMU28950 Cleaning and adjusting spark plug fire. EWM00560 The spark plug is an important engine com- WARNING ponent and is easy to inspect. The condition...
  • Page 52: Checking Fuel System

    ZMU01892 Check the fuel lines for leaks, crack, or mal- 1. Spark plug gap function. If a problem is found, your Yamaha 2. Spark plug I.D. mark (NGK) dealer or other qualified mechanic should re- pair it immediately.
  • Page 53: Inspecting Fuel Filter

    Gasoline is highly flammable, and its va- pors are flammable and explosive. If you have any question about properly doing this procedure, consult your Yamaha dealer. Do not perform this procedure on a hot or running engine. Allow the engine to cool.
  • Page 54: Inspecting Idling Speed

    If any water is found in the fuel, the parts while the engine is running. Yamaha portable fuel tank or other fuel 2-hp models: The propeller rotates tanks should be checked and cleaned.
  • Page 55: Checking Water In Engine Oil Tank

    There is a water trap at the bottom of the en- leaks from the joints between the exhaust gine oil tank. If water or foreign matter is vis- cover, cylinder head, and body cylinder. ible in this trap, consult your Yamaha dealer. EMU29150 Checking power trim and tilt system EWM00430...
  • Page 56: Checking Propeller

    Unlock the tilt sup- port lever. Tilt the outboard motor down. Check that the tilt rod and trim rods operate smoothly. NOTE: Consult your Yamaha dealer if any operation is abnormal. ZMU01897 EMU29171 Checking propeller Checkpoints...
  • Page 57: Removing The Propeller

    NOTE: eration and be lost. If the shear pin equipped: it is designed to Apply Yamaha marine grease or a cor- break if the propeller hits a hard underwater rosion resistant grease to the propeller obstacle to help protect the propeller and shaft.
  • Page 58: Changing Gear Oil

    Never get under the lower unit while it NOTE: is tilted, even when the tilt support lever For disposal of used oil consult your Yamaha or knob is locked. Severe injury could dealer. occur if the outboard motor accidental- With the outboard motor in a vertical po- ly falls.
  • Page 59: Inspecting And Replacing

    Maintenance EMU29311 EMU29320 Inspecting and replacing anode(s) Checking battery (for electric start Yamaha outboard motors are protected from models) corrosion by sacrificial anodes. Inspect the EWM00330 WARNING external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Battery electrolytic fluid is dangerous;...
  • Page 60: Connecting The Battery

    NOTE: 1. Red cable Consult a Yamaha dealer when charging or 2. Black cable re-charging batteries. 3. Battery EMU29361...
  • Page 61: Disconnecting The Battery

    7. Small red lead for accessory battery charg- ing (optional part) NOTE: If a battery selector switch is desired, consult ZMU01943 your Yamaha dealer about correct wiring. EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEG- ATIVE (-) terminal first. Then disconnect the RED cable from the POSITIVE (+) terminal.
  • Page 62: Trouble Recovery

    Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble warning indicator is Q. Are spark plug(s) fouled or of incorrect flashing, consult your Yamaha dealer.
  • Page 63 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
  • Page 64 Trouble Recovery A. Have serviced by a Yamaha dealer. Q. Are weeds or other foreign matter tangled on gear housing? Q. Is load on boat improperly distributed? A. Remove foreign matter and clean lower A. Distribute load to place boat on an even unit.
  • Page 65: Temporary Action In Emergency

    (if equipped). Replace Q. Is steering pivot loose or damaged? it with a spare one of the proper amperage. A. Tighten or have serviced by a Yamaha EWM00630 dealer. WARNING Be sure to use the specified fuse.
  • Page 66: Power Trim And Tilt Will Not Operate

    Trouble Recovery ZMU02403 ZMU01903 1. Manual valve screw 1. Electrical cover 2. Fuse holder Put the engine in the desired position, 3. Fuse (20A,30A,100A) then tighten the manual valve screw by 4. Spare fuse (20A,30A,100A) 5. Fuse puller turning it clockwise. EMU29670 Engine fails to operate EMU29740...
  • Page 67: Treatment Of Submerged Motor

    EMU29760 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard motor to a Yamaha dealer, follow the proce- dure below in order to minimize engine dam- age.
  • Page 68 Spray “Fogging Oil” or supply engine oil through the intake manifold and spark plug holes while rotating the flywheel manually. ZMU01911 Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor...
  • Page 69: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 70 Consumer information...
  • Page 71: Yamaha Motor Corporation, U.s.a. Outboard Motor Two Year Limited Warranty

    Consumer information EMU29820 YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY...
  • Page 72 Consumer information...
  • Page 73 Consumer information...
  • Page 74: Important Warranty Information If You Use Your Yamaha Outside U.s.a. Or Canada

    Consumer information EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA...
  • Page 75 Printed in Japan September 2003 - 0.1 × 1 ! Printed on recycled paper...
  • Page 76 (A l’usage du concessionnaire) MODÉLE ET NO. DE SÉRIE DU MOTEUR HORS-BORD (sur l’étiquette d’identification de la presse de fixation) YAMAHA DEALER NUMBER NO. DU CONCESSIONNAIRE YAMAHA DEALER NAME YAMAHA MOTOR CO., LTD. NOM DU MADE IN JAPAN CONCESSIONNAIRE PAYS D'ORIGINE JAPON USAGE...
  • Page 77 PLACE POSTAGE HERE ATTN: WARRANTY DEPARTMENT...

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