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General| Engine Type | Liquid-cooled, 4-stroke, DOHC, 4-valve |
|---|---|
| Displacement | 250cc |
| Bore x Stroke | 77.0 mm x 53.6 mm |
| Compression Ratio | 13.8:1 |
| Fuel System | Fuel Injection |
| Ignition | TCI |
| Transmission | Constant mesh, 6-speed |
| Final Drive | Chain |
| Rear Brake | Hydraulic single disc brake, 245 mm |
| Front Tire | 80/100-21 |
| Rear Tire | 110/100-18 |
| Wheelbase | 58.3 in |
| Width | 32.5 in |
| Rear Suspension | KYB® single shock; 12.5-in travel |
| Weight | 254 lb (wet) |
| Height | 50.0 in |
| Front Brake | Hydraulic disc, 270mm |
General note about potential manual updates due to model improvements.
Crucial safety instructions to follow before operating the machine.
Essential safety information including protective apparel, maintenance, and fuel handling.
Manual should be considered a permanent part of the machine.
Explanation of safety alert symbols (WARNING, CAUTION) and their meanings.
Instructions on how to locate specific chapters and items within the manual.
Explains the graphic symbols used to identify specifications within the text.
Details about the machine's general information, identification, controls, and break-in.
Key information regarding safety, general notices, and special tools.
Provides detailed specifications for the entire machine, including dimensions, engine, and chassis.
Outlines the recommended intervals for routine maintenance tasks.
Lists essential checks and maintenance procedures to perform before operating the machine.
Identifies various parts of the motorcycle and their locations, with numbered illustrations.
Location of the engine serial number.
Location of the model label needed for ordering spare parts.
Steps to clean the machine and use proper tools before disassembly.
Recommendation to use genuine Yamaha parts for replacements and recommended lubricants.
Steps to clean the machine and use proper tools before disassembly.
Guidelines for replacing gaskets, oil seals, and O-rings during reassembly.
Instructions for replacing lock washers, plates, and cotter pins.
Proper installation procedures for bearings and oil seals, including mark orientation.
Inspection and replacement guidelines for circlips, especially piston pin clips.
Notes on cleaning terminals if continuity is absent and performing steps 1-7 for wire harness checks.
Details the positions of the main switch and the function of its indicator light.
Location and operation of the engine stop switch.
Location and operation of the starter switch.
Location and operation of the clutch lever for engaging and disengaging the clutch.
Warning about using only unleaded gasoline and potential damage from leaded gasoline.
Advice on using different gasoline brands or higher octane grades if knocking occurs.
Warning about using only unleaded gasoline.
Advice on using higher octane gasoline if knocking occurs.
Safety precautions for refueling, like stopping the engine and avoiding open flames.
Notes on cleaning terminals if continuity is absent and performing steps 1-7 for wire harness checks.
Details about the machine's general information, identification, controls, and break-in.
Key information regarding safety, general notices, and special tools.
Provides detailed specifications for the entire machine, including dimensions, engine, and chassis.
Outlines the recommended intervals for routine maintenance tasks.
Lists essential checks and maintenance procedures to perform before operating the machine.
Identifies various parts of the motorcycle and their locations, with numbered illustrations.
Location of the engine serial number.
Location of the model label needed for ordering spare parts.
Steps to clean the machine and use proper tools before disassembly.
Recommendation to use genuine Yamaha parts for replacements and recommended lubricants.
Steps to clean the machine and use proper tools before disassembly.
Guidelines for replacing gaskets, oil seals, and O-rings during reassembly.
Instructions for replacing lock washers, plates, and cotter pins.
Proper installation procedures for bearings and oil seals, including mark orientation.
Inspection and replacement guidelines for circlips, especially piston pin clips.
Notes on cleaning terminals if continuity is absent and performing steps 1-7 for wire harness checks.
Details about the machine's general information, identification, controls, and break-in.
Key information regarding safety, general notices, and special tools.
Provides detailed specifications for the entire machine, including dimensions, engine, and chassis.
Outlines the recommended intervals for routine maintenance tasks.
Lists essential checks and maintenance procedures to perform before operating the machine.
Identifies various parts of the motorcycle and their locations, with numbered illustrations.
Location of the engine serial number.
Location of the model label needed for ordering spare parts.
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