1977 Sachs MC250 Specifications and Specs
Specifications and workshop reference information for the 1977 Sachs MC250, 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 | Single-cylinder, two-stroke, air-cooled |
| Displacement | 250 cc class |
| Bore × Stroke | 71.5 xf 61 mm |
| Compression Ratio | 12.0:1 |
| Maximum Power | ~30 hp |
| Maximum Torque | 32 to 34 hp |
| Carburetor | Bing / Mikuni type carburetor | Replacement Options |
| Lubrication | Premix |
| Fuel Mix Ratio | 25:1 | Premix Calculator |
| Ignition | Motoplat / Bosch magneto |
| Spark Plug | NGK B8ES |
| Spark Plug Gap | 0.5 – 0.6 mm |
Transmission
| Transmission Type | 5-speed constant mesh |
| Clutch | Wet multi-plate |
Dimensions
| Overall Length | 84.3 inches (2141 mm). |
| Overall Width | 830 mm (32.6 inches) |
| Overall Height | 1,155 mm (45.5 inches) |
| Wheelbase | ~1,430 mm |
| Ground Clearance | 330 mm (13 inches) |
| Fuel Tank Capacity | 8.5 L |
| Bearing Sizes |
Bearing Finder |
Chassis
| Frame Type | Steel motocross frame |
| Front Suspension | Telescopic forks | Fork Oil Levels |
| Rear Suspension | Twin shock |
| Front Suspension Travel | 8.25 inches (approx. 210 mm) |
| Rear Suspension Travel | 8 inches (approx. 178mm) |
Brakes & Wheels
250cc Other Specs
Community
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