|
Year |
1971 |
|
Engine Class |
90 |
|
VIN Prefix |
HT1 |
|
Known VIN Range (Vehicle ID Numbers) |
000101 to 023405 |
|
Tank Color(s) |
Competition Yellow |
|
Country of Sale |
USA |
|
Bore (MM) |
50 |
|
Stroke (MM) |
45.6 |
|
Displacement (CC) |
89 |
|
Compression Ratio (to 1) |
6.8 |
|
BHP @ RPM |
8.5 @ 8,000 |
|
Autolube Injection? |
Yes |
|
Engine Cooling |
Air |
|
Carburetor Model |
VM24SH |
|
Ignition Type |
Magneto |
|
Ignition Timing MM (BTDC) |
1.8 |
|
Primary Drive Gearing |
3.9 |
|
Final Drive Gearing (Sprockets) |
49/14 |
|
Box Gearing First |
3.18 |
|
Box Gearing Second |
2.0 |
|
Box Gearing Third |
1.37 |
|
Box Gearing Fourth |
1.0 |
|
Box Gearing Fifth |
0.8 |
|
Fuel Capacity (L) |
6.5 |
|
2 Stroke Oil Tank Capacity (L) |
1.2 |
|
Gearbox Oil Capacity |
0.75 |
|
Fork Oil Capacity (CC/Fork Leg) |
140 |
|
Front Tire (stock) |
2.75 x 18 |
|
Rear Tire (stock) |
3.00 x 18 |
|
Front Brake Type |
Drum |
|
Rear Brake Type |
Drum |
|
Rear Suspension |
Twin Shock |
|
Overall Width (mm) |
900 |
|
Ground Clearance (mm) |
225 |
|
Wheelbase (mm) |
1,220 |
|
Dry Weight (kg) |
85 |
|
Voltage |
6 Volt |
|
Carburetor Type |
VM24SH |
|
Main Jet |
130 |
|
Needle Jet |
N-8 |
|
Jet Needle |
4DH7-2 |
|
Slide Cutaway |
2.0 |
|
Pilot Jet |
30 |
|
Air Screw (turns out) |
1.25 |
|
Starter Jet |
40 |
|
Float Level (mm) |
25.5 |
Comments