|
Model |
YZ 100 D/E |
|
|
Year |
1977-78 |
 |
|
Frame/Engine Prefix (XXX-000101) |
1J4/2K5 |
|
|
Engine Type |
2 stroke |
|
|
Bore (mm) |
50 |
|
|
Stroke (mm) |
50 |
|
|
Capacity (cc) |
98 |
|
|
Compression Ratio (to 1) |
7.2 |
|
|
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) |
VM30SS |
|
|
Ignition System |
CDI |
|
|
Ignition Timing (mm) |
||
|
Primary drive gearing |
3.89 |
|
|
Final Drive Gearing |
||
|
Box Gearing first |
2.46 |
|
|
Box Gearing second |
1.88 |
|
|
Box Gearing third |
1.50 |
|
|
Box Gearing fourth |
1.25 |
|
|
Box Gearing fifth |
1.09 |
|
|
Box Gearing sixth |
1.00 |
|
|
Fuel Cap. (liters) |
5 |
|
|
Engine Oil Cap. (liters) |
||
|
Gearbox Oil Cap. (Liters) |
||
|
Fork Oil Ca. (cc/leg) |
||
|
Front Tire (stock) |
2.75-21 |
|
|
Rear Tire (stock) |
3.50.18 |
|
|
Front Brake |
SLS DRUM |
|
|
Rear Brake |
SLS DRUM |
|
|
Rear Suspension |
Monoshock |
|
|
Front Susp. Travel (mm) |
180 |
|
|
Rear Susp. Travel (mm) |
170 |
|
|
Rake (degrees) |
29 |
|
|
Trail (mm) |
117 |
|
|
Width (mm) |
||
|
Ground Clearance (mm) |
260 |
|
|
Wheelbase (mm) |
1365 |
|
|
Dry Weight (kg) |
91/(80)* |
|
|
*=yz80e |
77-78 YZ100 D/E
Written by yamadmin 
. Posted in 100cc
