1982 Kawasaki KX125 Specifications and Specs
Specifications and workshop reference information for the 1982 Kawasaki KX125, 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 | 124cc air-cooled 2-stroke single |
| Displacement | 124cc |
| Bore × Stroke | 54.0 × 54.0 mm |
| Compression Ratio | 6.9:1 |
| Maximum Power | 29 hp @ 10,000 rpm |
| Maximum Torque | 19.6 Nm @ 8,500 rpm |
| Carburetor | Mikuni VM34SS |
| Lubrication | Premix |
| Fuel Mix Ratio | 32:1 |
| Ignition | CDI |
| Spark Plug | NGK B9EV |
| Spark Plug Gap | 0.6 – 0.7 mm |
Transmission
| Transmission Type | 6-speed manual |
| Clutch | Wet multi-plate |
| Primary Reduction | 3.409 (75/22) |
| Final Reduction | 3.714 (52/14) |
| Overall Reduction | 10.89 |
Dimensions
| Overall Length | 2,145 mm |
| Overall Width | 820 mm |
| Overall Height | 1,210 mm |
| Wheelbase | 1,430 mm |
| Ground Clearance | 330 mm |
| Fuel Tank Capacity | 8.0 L |
Chassis
| Frame Type | Tubular steel single cradle |
| Caster Angle | 28° |
| Trail | 115 mm |
| Front Suspension | Kayaba telescopic forks |
| Rear Suspension | Uni-Trak monoshock |
| Front Suspension Travel | 300 mm |
| Rear Suspension Travel | 295 mm |
Brakes & Wheels
| Front Tire | 3.00-21 |
| Rear Tire | 4.50-18 |
| Front Brake | Single leading shoe drum |
| Rear Brake | Drum |
125cc Other Specs
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