Model |
MX 250B |
|
Year |
1975 |
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Frame/Engine Prefix (XXX-000101) |
509 |
|
Engine Type |
2 stroke |
|
Bore (mm) |
70 |
|
Stroke (mm) |
64 |
|
Capacity (cc) |
246 |
|
Compression Ratio (to 1) |
7.54 |
|
Bhp @ rpm |
Model Notes |
|
Torque (kgm) @ rpm |
Pictures only show one year on multi-year bikes. Check VIN tables for colors for your specific year. |
|
Oil System |
PreMix |
|
Engine Cooling |
Air |
|
Carburetor (mm) |
VM38SS |
|
Ignition System |
CDI |
|
Ignition Timing (mm) |
2.3 |
|
Primary drive gearing |
2.7 |
|
Final Drive Gearing |
50/13 |
|
Box Gearing first |
1.83 |
|
Box Gearing second |
1.41 |
|
Box Gearing third |
1.17 |
|
Box Gearing fourth |
1.0 |
|
Box Gearing fifth |
.86 |
|
Box Gearing sixth |
- |
|
Fuel Cap. (liters) |
8 |
|
Engine Oil Cap. (liters) |
0.56 |
|
Gearbox Oil Cap. (Liters) |
1.0 |
|
Fork Oil Ca. (cc/leg) |
190 |
|
Front Tire (stock) |
3.00-21 |
|
Rear Tire (stock) |
4.00-18 |
|
Front Brake |
SLS DRUM |
|
Rear Brake |
SLS DRUM |
|
Rear Suspension |
Monoshock |
|
Front Susp. Travel (mm) |
195 |
|
Rear Susp. Travel (mm) |
90 |
|
Rake (degrees) |
31 |
|
Trail (mm) |
139 |
|
Width (mm) |
985 |
|
Ground Clearance (mm) |
235 |
|
Wheelbase (mm) |
1420 |
|
Dry Weight (kg) |
100 |
|