1981 Suzuki TS250
Specifications and workshop reference information for the 1981 Suzuki TS250, 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 | 246cc air-cooled 2-stroke single-cylinder |
| Displacement | 246cc |
| Bore × Stroke | 70.0 mm × 64.0 mm |
| Compression Ratio | 6.7:1 |
| Maximum Power | Approx. 24 hp @ 7,000 rpm |
| Maximum Torque | Approx. 27 Nm @ 6,000 rpm |
| Carburetor | Mikuni VM28SS |
| Lubrication | Suzuki CCI oil injection |
| Fuel Mix Ratio | Oil injection system |
| Ignition | CDI |
| Spark Plug | NGK B8ES |
| Spark Plug Gap | 0.6 – 0.7 mm |
Transmission
| Transmission Type | 6-speed manual |
| Clutch | Wet multi-plate |
| Primary Reduction | 3.095 |
| Final Reduction | 3.000 |
| Overall Reduction | Approx. 8.90 |
Dimensions
| Overall Length | 2,135 mm |
| Overall Width | 870 mm |
| Overall Height | 1,150 mm |
| Wheelbase | 1,415 mm |
| Ground Clearance | 245 mm |
| Fuel Tank Capacity | 9.5 L |
Chassis
| Frame Type | Steel double cradle |
| Caster Angle | 27° |
| Trail | 105 mm |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shock swingarm |
| Front Suspension Travel | 190 mm |
| Rear Suspension Travel | 110 mm |
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.
