|
Model |
AT1-MX |
|
|
Year |
1969-1971 |
 |
|
Frame/Engine Prefix (XXX-000101) |
AT1 |
|
|
Bore (mm) |
56 |
|
|
Stroke (mm) |
50 |
|
|
Capacity (cc) |
123 |
|
|
Compression Ratio (to 1) |
8.0 |
|
|
Bhp @ rpm |
18 @ 8,500 |
Model Notes |
|
Torque (kgm) @ rpm |
1.57 @ 7,500 |
These bikes are 6 volt, kick start motors.
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) |
VM26SH |
|
|
Ignition System |
Magneto |
|
|
Ignition Timing (mm) |
2.0 |
|
|
Primary drive gearing |
3.9 |
|
|
Final Drive Gearing |
45/14 (45/15[1]) |
|
|
Box Gearing first |
3.18 (2.831) |
|
|
Box Gearing second |
2.0 (1.88[2]) |
|
|
Box Gearing third |
1.37 (1,372) |
|
|
Box Gearing fourth |
1.0 (1.092) |
|
|
Box Gearing fifth |
0.8 (0.962) |
|
|
Box Gearing sixth |
- |
|
|
Fuel Cap. (liters) |
7 |
|
|
Engine Oil Cap. (liters) |
1.23 |
|
|
Gearbox Oil Cap. (Liters) |
0.74 (0.762) |
|
|
Fork Oil Ca. (cc/leg) |
160 (1501) |
|
|
Front Tire (stock) |
3.00 x 18 |
|
|
Rear Tire (stock) |
3.25 x 18 |
|
|
Front Brake |
Drum |
|
|
Rear Brake |
Drum |
|
|
Rear Suspension |
Twin shock |
|
|
Front Susp. Travel (mm) |
145 |
|
|
Rear Susp. Travel (mm) |
110 |
|
|
Rake (degrees) |
29.5 |
|
|
Trail (mm) |
||
|
Width (mm) |
909 |
|
|
Ground Clearance (mm) |
225 |
|
|
Wheelbase (mm) |
1,285 |
|
|
Dry Weight (kg) |
91 |
|
[1] = AT1B
[2] = AT1C
