1972 Honda XL250-Motosport
Specifications and workshop reference information for the 1972 Honda XL250-Motosport, including engine, chassis, service data and setup details.
Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.
General Specifications
| Engine Type | Single-cylinder, four-stroke, air-cooled (SOHC) |
| Displacement | 248 cc |
| Bore × Stroke | 74.0 × 57.8 mm |
| Compression Ratio | 9.0:1 |
| Maximum Power | ~24 hp |
| Maximum Torque | |
| Carburetor | Keihin |
| Lubrication | Wet sump |
| Fuel Mix Ratio | N/A (four-stroke) |
| Ignition | Battery/points |
| Spark Plug | NGK D8ES |
| Spark Plug Gap | 0.6 – 0.7 mm |
| Valve Clearance (cold) | Intake: 0.05 mm / Exhaust: 0.08 mm |
Transmission
| Transmission Type | 5-speed constant mesh |
| Clutch | Wet multi-plate |
| Primary Reduction | |
| Final Reduction | |
| Overall Reduction | |
Dimensions
| Overall Length | 2,100 mm |
| Overall Width | 880 mm |
| Overall Height | 1,160 mm |
| Wheelbase | 1,365 mm |
| Ground Clearance | 210 mm |
| Fuel Tank Capacity | 9.5 L |
Chassis
| Frame Type | Steel single cradle |
| Caster Angle | |
| Trail | |
| Front Suspension | Telescopic forks |
| Rear Suspension | Twin shock |
| Front Suspension Travel | |
| Rear Suspension Travel | |
Brakes & Wheels
| Front Tire | 3.00 – 21 |
| Rear Tire | 4.00 – 18 |
| Front Brake | Drum |
| Rear Brake | Drum |
250cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.