1975 Honda CR250 Specifications and Specs
Specifications and workshop reference information for the 1975 Honda CR250, 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 2-stroke single-cylinder, reed valve |
| Displacement | 248 cc |
| Bore × Stroke | 70.0 mm × 64.4 mm |
| Compression Ratio | |
| Maximum Power | Approx. 32 hp @ 8,000 rpm |
| Maximum Torque | |
| Carburetor | 34 mm Keihin | Replacement Options |
| Lubrication | Pre-mix |
| Fuel Mix Ratio | 20:1 | Premix Calculator |
| Ignition | Flywheel magneto CDI |
| Spark Plug | NGK B9ES |
| Spark Plug Gap | 0.6 - 0.7 mm |
Transmission
| Transmission Type | 5-speed close-ratio |
| Clutch | Wet multi-plate |
| Primary Reduction | 3.000 |
| Final Reduction | Chain drive |
Dimensions
| Overall Length | 85.0 in |
| Overall Width | 35.4 in |
| Overall Height | 45.3 in |
| Wheelbase | 57.9 in |
| Ground Clearance | 12.4 in |
| Fuel Tank Capacity | 1.9 gal |
| Bearing Sizes |
Bearing Finder |
Chassis
| Frame Type | Semi-double cradle |
| Caster Angle | 28° |
| Trail | 4.7 in |
| Front Suspension | Long-travel telescopic forks | Fork Oil Levels |
| Rear Suspension | Swingarm with dual shock absorbers |
| Front Suspension Travel | 11.4 in |
| Rear Suspension Travel | 4.7 in |
Brakes & Wheels
| Front Tire | 3.00 × 21 | Tyre Size Guide |
| Rear Tire | 4.50 × 18 | Tyre Size Guide |
| Front Brake | Internal expanding shoe drum |
| Rear Brake | Internal expanding shoe drum |
250cc Other Specs
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