1974 Honda XR75
Specifications and workshop reference information for the 1974 Honda XR75, 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, single-cylinder, OHC |
| Displacement | 72 cc |
| Bore × Stroke | 47.0 × 41.4 mm |
| Compression Ratio | 8.8:1 |
| Maximum Power | 6 hp |
| Maximum Torque | |
| Carburetor | Keihin |
| Lubrication | Wet sump |
| Fuel Mix Ratio | |
| Ignition | Flywheel magneto |
| Spark Plug | NGK D8EA |
| Spark Plug Gap | 0.6–0.7 mm |
| Valve Clearance (Intake) | 0.05 mm |
| Valve Clearance (Exhaust) | 0.05 mm |
Transmission
| Transmission Type | 4-speed manual |
| Clutch | Wet multi-plate |
| Primary Reduction | |
| Final Reduction | Chain drive |
| Overall Reduction | |
Dimensions
| Overall Length | 1,560 mm |
| Overall Width | 680 mm |
| Overall Height | 920 mm |
| Wheelbase | 1,040 mm |
| Ground Clearance | 200 mm |
| Fuel Tank Capacity | 4.5 L |
Chassis
| Frame Type | Steel backbone frame |
| Caster Angle | |
| Trail | |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shock swingarm |
| Front Suspension Travel | |
| Rear Suspension Travel | |
Brakes & Wheels
| Front Tire | 2.50-19 |
| Rear Tire | 3.00-17 |
| Front Brake | Drum brake |
| Rear Brake | Drum brake |
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