Model |
YZ 125A |
|
Year |
1974 |
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Frame/Engine Prefix (XXX-000101) |
453 |
|
Engine Type |
2 stroke |
|
Bore (mm) |
56 |
|
Stroke (mm) |
50 |
|
Capacity (cc) |
123 |
|
Compression Ratio (to 1) |
8.0 |
|
Bhp @ rpm |
15.3 @ 9,500 |
Model Notes |
Torque (kgm) @ rpm |
1.27 @ 8,000 |
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) |
VM28SS |
|
Ignition System |
CDI |
|
Ignition Timing (mm) |
2.0 |
|
Primary drive gearing |
3.89 |
|
Final Drive Gearing |
47/14 |
|
Box Gearing first |
2.83 |
|
Box Gearing second |
2.07 |
|
Box Gearing third |
1.61 |
|
Box Gearing fourth |
1.32 |
|
Box Gearing fifth |
1.14 |
|
Box Gearing sixth |
- |
|
Fuel Cap. (liters) |
5.5 |
|
Engine Oil Cap. (liters) |
- |
|
Gearbox Oil Cap. (Liters) |
.65 |
|
Fork Oil Ca. (cc/leg) |
135 |
|
Front Tire (stock) |
2.75-21 |
|
Rear Tire (stock) |
3.50-18 |
|
Front Brake |
SLS DRUM |
|
Rear Brake |
SLS DRUM |
|
Rear Suspension |
Twin shock |
|
Front Susp. Travel (mm) |
||
Rear Susp. Travel (mm) |
||
Rake (degrees) |
30 |
|
Trail (mm) |
140 |
|
Width (mm) |
925 |
|
Ground Clearance (mm) |
260 |
|
Wheelbase (mm) |
1345 |
|
Dry Weight (kg) |
80 |
|