Model |
GT1 – GT80H |
|
Year |
1973-81 |
|
Frame/Engine Prefix (XXX-000101) |
||
Bore (mm) |
1.9 in (47mm) |
|
Stroke (mm) |
1.7 in (42mm) |
|
Capacity (cc) |
4.39 CU (72.00 cc) |
|
Compression Ratio (to 1) |
6.0 |
|
Bhp |
4.9 |
Model Notes |
Torque (kgm) @ rpm |
4.5 ft lbs. (.6 kgf-m) @ 7,200 |
Pictures only show one year on multi-year bikes. Check VIN tables for colors for your specific year. |
Oil System |
Autolube |
|
Engine Cooling |
Air |
|
Carburetor (mm) |
Teikei Y16P-3 |
|
Ignition System |
Points type Magneto |
|
Ignition Timing (mm) |
1.8 |
|
Primary drive gearing |
68/19 (3.578) |
|
Final Drive Gearing |
41/14 (2.928 |
|
Box Gearing first |
30.064 |
|
Box Gearing second |
20.962 |
|
Box Gearing third |
14.973 |
|
Box Gearing fourth |
11.791 |
|
Box Gearing fifth |
- |
|
Box Gearing sixth |
- |
|
Fuel Cap. |
1.03 Gallons |
|
Engine Oil Cap. |
.7 qt. |
|
Gearbox Oil Cap. (Liters) |
500cc |
|
Fork Oil Ca. (cc/leg) |
||
Front Tire (stock) |
2.50 x 15 |
|
Rear Tire (stock) |
2.75 x 14 |
|
Front Brake |
Drum |
|
Rear Brake |
Drum |
|
Rear Suspension |
Twin Shock |
|
Front Susp. Travel (mm) |
4.0 in. (102 mm) |
|
Rear Susp. Travel (mm) |
3.0 in. (76 mm) |
|
Rake (degrees) |
32 degrees |
|
Trail (mm) |
2.7 in. |
|
Width (mm) |
27.2 in. |
|
Ground Clearance (mm) |
7.7 in. |
|
Wheelbase (mm) |
41.1 in. |
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Weight (DRY) |
130.0 pounds |
|