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SUPPLEMENTARY SERVICE MANUAL MX360 LIT-19616-02-34 7HC-F8197-11...
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7HC-F8197-10. LIT-19616-02-32 ards. Obey all safety messages that follow this symbol to avoid possible injury or This manual was written by the Yamaha Motor death. Powered Products Co., Ltd. primarily for use by Yamaha dealers and their qualified mechan- WARNING ics.
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HOW TO USE THIS MANUAL This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid out with the individual steps in sequential order. 9 The manual is divided into chapters and each chapter is divided into sections.
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ILLUSTRATED SYMBOLS (Refer to the illustration) SYMBOL DEFINITION SYMBOL DEFINITION Periodic checks and General information adjustments Engine Carburetor Electrical Troubleshooting Specifications Filling fluid Lubricant Special tool Tightening torque Wear limit, clearance Engine speed Electrical data Replace the part with a new one. Lithium-soap base grease Molybdenum disulfide grease Engine oil...
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INDEX GENERAL INFORMATION INFO ENGINE ELECTRICAL ELEC SPECIFICATIONS SPEC...
CHAPTER 1. GENERAL INFORMATION MACHINE IDENTIFICATION .....1-1 ENGINE SERIAL NUMBER ....1-1 STARTING SERIAL NUMBER ....1-1 DIMENSIONS ..........1-2 DIMENSION CHART ......1-2 TOP ............1-3 LEFT SIDE ..........1-3 FRONT ..........1-4 MOUNTING BASE ........1-4 CHAPTER 2. ENGINE GOVERNOR ..........2-1 ADJUSTING THE GOVERNOR ....2-2 CHAPTER 3. ELECTRICAL CIRCUIT DIAGRAM ........3-1 CHAPTER 4.
MACHINE IDENTIFICATION INFO GENERAL INFORMATION MACHINE IDENTIFICATION ENGINE SERIAL NUMBER The serial number is printed on the label 1 affixed to the position 2 of the multi-purpose engine as shown in the illustration. The first four digits identify the model, and the remaining digits indicates the production number.
GOVERNOR ENGINE GOVERNOR 8 Nm (0.8 m · kgf, 5.8 ft · lbf) 7 Nm (0.7 m · kgf, 5.1 ft · lbf) 1.1 Nm (0.11 m · kgf, 0.80 ft · lbf) 7 Nm (0.7 m · kgf, 5.1 ft · lbf) Order Job/Parts to remove Q’ty...
GOVERNOR ADJUSTING THE GOVERNOR 1. Remove: 9 Fuel tank (Refer to “FUEL TANK, CANISTER” in 7HC-F8197-10 chapter 3.) 2. Adjust: 9 Governor Adjustment steps: a. Loosen the governor arm bolt 1. b. Turn the governor arm 2 clockwise until it stops. c.
SPEC GENERAL SPECIFICATIONS SPECIFICATIONS GENERAL SPECIFICATIONS Model name: MX360 Model code number: 7HCJ Dimensions: Overall length mm (in) 418 (16.46) Overall width mm (in) 462 (18.19) Overall height mm (in) 490 (19.29) Dry weight kg (lb) ** (**) Engine: Engine type...
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SPEC GENERAL SPECIFICATIONS Model name: MX360 Model code number: 7HCJ Electrical: Ignition system Ignition timing (** r/min) BTDC 20° ± 3° BPR4ES (NGK) Spark plug type 0.7–0.8 (0.028–0.031) Spark plug gap mm (in) * The power rating of the engine indicated in the SPECIFICATIONS is the net power output tested on an engine model and measured at 3600 r/min.
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SPEC MAINTENANCE SPECIFICATIONS Model name: MX360 Model code number: 7HCJ Crankshaft: mm (in) Big end side clearance “A” 0.20–0.65 (0.008–0.026) <Limit> Runout “B” <Limit> 0.02 (0.0008) Crank pin outside diameter “C” 35.969–35.984 (1.4161–1.4167) <Limit> Crankshaft free play 0–0.2 (0.000–0.008) Connecting rod: mm (in) Small end diameter “A”...
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SPEC MAINTENANCE SPECIFICATIONS Model name: MX360 Model code number: 7HCJ Valve: mm (in) Head diameter “A” 31.9–32.1 (1.2559–1.2638) 27.9–28.1 (1.0984–1.1063) Stem diameter “B” 5.948–5.963 (0.2342–0.2348) 5.940–5.955 (0.2339–0.2344) <Limit> 5.918 (0.2330) 5.910 (0.2327) Stem length “C” 88.1 (3.4685) 88.1 (3.4685) Valve face contact width “D”...
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SPEC MAINTENANCE SPECIFICATIONS Model name: MX360 Model code number: 7HCJ Valve spring: mm (in) Free length 36.2 (1.4252) 36.2 (1.4252) <Limit> 34.39 (1.3539) 34.39 (1.3539) Installed length 29 (1.1417) 29 (1.1417) Installed compression spring force N (kgf, lbf) 91.20–104.93 (9.12–10.49, 20.50–23.59) N (kgf, lbf) 91.20–104.93 (9.12–10.49, 20.50–23.59)
SPEC GENERAL TORQUE SPECIFICATIONS GENERAL TORQUE Tightening torque Thread size SPECIFICATIONS m·kgf ft·lbf This chart specifies torque for standard fas- teners with standard I.S.O. pitch threads. Torque specifications for special components or assemblies are included in the applicable sections of this book. To avoid warpage, tight- 11.1 en multi fastener assemblies in a crisscross 22.1...
SPEC LUBRICATION POINTS AND TYPE OF LUBRICANTS LUBRICATION POINTS AND TYPE OF LUBRICANTS Part name Type of lubricant Oil seal lip Governor shaft oil seal lip Bearing Connecting rod big end Crank pin Crankshaft journal Connecting rod cap bolt Piston pin Piston Balancer shaft journal Balancer shaft gear teeth...
SPEC WIRE ROUTING DIAGRAM WIRE ROUTING DIAGRAM UPPER SIDE VIEW 1 Spark plug cap B After passing the lead through, F Make sure that the gap 2 TCI unit lead lightly pull it in the direction of between the end of the wire 3 Oil level switch lead the arrow.
SPEC WIRE ROUTING DIAGRAM ENGINE SWITCH AND OIL WARNING UNIT Color code 1 Oil warning light B Fasten the ground terminal 2 Wire harness protector and oil warning unit together. B ..Black 3 Oil warning unit lead (ground) C The lead is black and the pro- L..Blue 4 Oil warning unit tector is gray.
SPEC WIRE ROUTING DIAGRAM TCI UNIT Color code 1 High tension cord 2 Flywheel B/W ..Black/White 3 TCI unit A Make sure that the high ten- sion cord is not pinched when installing the flywheel cover. B Adjust the TCI unit air gap between 0.4–0.6 mm (0.0157–...
SPEC WIRE ROUTING DIAGRAM OIL LEVEL SWITCH (CRANKCASE COVER) Color code 1 Clamp 2 Oil level switch B ..Black Gy ..Gray A The lead is black and the pro- tector is gray. B Touch the tube (gray) with the grommet. C Route the oil level switch lead as shown.