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General| Displacement | 250cc |
|---|---|
| Bore x Stroke | 77.0mm x 53.6mm |
| Compression Ratio | 13.5:1 |
| Ignition | TCI: Transistor Controlled Ignition |
| Final Drive | Chain |
| Rear Suspension | KYB® single shock; fully adjustable, 12.5-in travel |
| Rear Brake | Hydraulic disc, 245mm |
| Front Tire | 80/100-21 |
| Seat Height | 37.6 in |
| Trail | 4.6 in |
| Ground Clearance | 12.8 in |
| Wet Weight | 249 lb |
| Engine Type | Liquid-cooled DOHC 4-stroke |
| Fuel Delivery | Yamaha Fuel Injection (YFI), Keihin® 44mm |
| Front Suspension | KYB® spring-type fork with speed-sensitive damping; 12.2-in travel |
| Front Brake | Hydraulic disc, 270mm |
| Rear Tire | 110/100-18 |
| L x W x H | 32.5 in |
| Fuel Capacity | 2.0 gal |
| Transmission | Wide-ratio 5-speed; multiplate wet clutch |
Details engine dimensions, fuel, oil, cooling, and spark plug specifications.
Outlines frame, wheel, tire, brake, suspension, and drive chain specifications.
Step-by-step instructions for removing the engine, exhaust system, and related parts.
Procedures for removing, checking, and installing the clutch assembly and its components.
Details on removing, checking, and installing the transmission, shift drum, and shift forks.
Details the circuit diagram, troubleshooting, and operation of the ignition system.
Explains the circuit diagram, operation, and troubleshooting for the electric starting system.
Covers circuit diagrams, ECU self-diagnostics, and troubleshooting for the fuel injection system.
Lists common engine and electrical issues that prevent the vehicle from starting.
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