Model |
YZ 80 H |
|
Year |
1981 |
|
Frame/Engine Prefix (XXX-000101) |
4V1 |
|
Engine Type |
2 stroke |
|
Bore (mm) |
49 |
|
Stroke (mm) |
42 |
|
Capacity (cc) |
79 |
|
Compression Ratio (to 1) |
7.1 |
|
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) |
VM24SS |
|
Ignition System |
CDI |
|
Ignition Timing (mm) |
0.8 |
|
Primary drive gearing |
3.58 |
|
Final Drive Gearing |
44/13 |
|
Box Gearing first |
2.77 |
|
Box Gearing second |
2.06 |
|
Box Gearing third |
1.63 |
|
Box Gearing fourth |
1.33 |
|
Box Gearing fifth |
1.15 |
|
Box Gearing sixth |
1.04 |
|
Fuel Cap. (liters) |
4.6 |
|
Engine Oil Cap. (liters) |
||
Gearbox Oil Cap. (Liters) |
0.75 |
|
Fork Oil Ca. (cc/leg) |
||
Front Tire (stock) |
2.75-17 |
|
Rear Tire (stock) |
4.10-14 |
|
Front Brake |
SLS DRUM |
|
Rear Brake |
SLS DRUM |
|
Rear Suspension |
Monoshock |
|
Front Susp. Travel (mm) |
215 |
|
Rear Susp. Travel (mm) |
205 |
|
Rake (degrees) |
27 |
|
Trail (mm) |
84 |
|
Width (mm) |
765 |
|
Ground Clearance (mm) |
255 |
|
Wheelbase (mm) |
1205 |
|
Dry Weight (kg) |
60 |
|