1975 Suzuki TM250 Specifications and Specs
Specifications, manuals and workshop reference information.
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 | Two-stroke cycle, air-cooled gasoline engine |
| Displacement | 246 cc |
| Bore × Stroke | 70 × 64 mm |
| Compression Ratio | 7.1 : 1 |
| Maximum Power | 36 HP @ 8,000 rpm |
| Maximum Torque | 25.2 ft-lb @ 6,500 rpm |
| Carburetor | Mikuni VM36SS |
| Lubrication | Fuel premix |
| Fuel Mix Ratio | 20 : 1 |
| Ignition | Suzuki PEI (Pointless Electronic Ignition) |
| Spark Plug | NGK B9EV |
| Spark Plug Gap | 0.5 – 0.6 mm |
Transmission
| Transmission Type | 5-speed constant mesh |
| Clutch | Wet multi-plate |
| Primary Reduction | 2.727 (60 / 22) |
| Final Reduction | 3.846 (50 / 13) |
| Overall Reduction | Not specified |
Dimensions
| Overall Length | 2140 mm |
| Overall Width | 935 mm |
| Overall Height | 1200 mm |
| Wheelbase | 1440 mm |
| Ground Clearance | 265 mm |
| Fuel Tank Capacity | 8 L |
Chassis
| Frame Type | Single cradle steel frame |
| Caster Angle | 60° |
| Trail | 126 mm |
| Front Suspension | Telescopic fork with hydraulic damper |
| Rear Suspension | Swinging arm with hydraulic damper, 3-way adjustable |
| Front Suspension Travel | Not specified |
| Rear Suspension Travel | Not specified |
Brakes & Wheels
| Front Tire | 3.00-21 |
| Rear Tire | 4.50-18 |
| Front Brake | Drum brake |
| Rear Brake | Drum brake |
250cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.