1980 Honda XR250 Specifications and Specs
Specifications and workshop reference information for the 1980 Honda XR250, 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 | Air-cooled 4-stroke SOHC 4-valve single cylinder |
| Displacement | 248 cc |
| Bore × Stroke | 74.0 × 57.8 mm |
| Compression Ratio | 9.0:1 |
| Maximum Power | Approx. 18 hp @ 7,500 rpm |
| Maximum Torque | Approx. 18 Nm @ 6,000 rpm |
| Carburetor | Keihin 28 mm | Replacement Options |
| Lubrication | Wet sump |
| Fuel Mix Ratio | Petrol only |
| Ignition | Points (battery/coil) |
| Spark Plug | NGK DR8ES |
| Spark Plug Gap | 0.6 mm |
| Valve Clearance | Intake: 0.05 mm / Exhaust: 0.05 mm cold |
Transmission
| Transmission Type | 5-speed constant mesh |
| Clutch | Wet multi-plate |
| Primary Reduction | N/A |
| Final Reduction | Chain drive |
| Overall Reduction | N/A |
Dimensions
| Overall Length | Approx. 2,150 mm |
| Overall Width | Approx. 870 mm |
| Overall Height | Approx. 1,150 mm |
| Wheelbase | Approx. 1,390 mm |
| Ground Clearance | Approx. 240 mm |
| Fuel Tank Capacity | 9.0 litres |
| Bearing Sizes |
Bearing Finder |
Chassis
| Frame Type | Steel single cradle |
| Caster Angle | N/A |
| Trail | N/A |
| Front Suspension | Telescopic forks | Fork Oil Levels |
| Rear Suspension | Swingarm with twin shock absorbers |
| Front Suspension Travel | Approx. 200 mm |
| Rear Suspension Travel | Approx. 180 mm |
Brakes & Wheels
250cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.
