TY80A
Category: Trials
Manufacturer: Yamaha
Hits: 908
| Year | 1974 |
| Engine Class | 80 |
| VIN Prefix | 451 |
| Known VIN Range (Vehicle ID Numbers) | 000101 to 100000 |
| Tank Color(s) | White |
| Country of Sale | USA |
| Bore (MM) | 47 |
| Stroke (MM) | 42 |
| Displacement (CC) | 72 |
| Autolube Injection? | Yes |
| Engine Cooling | Air |
| Carburetor Model | Teikei Y16P-3 |
| Ignition Type | Magneto |
| Ignition Timing MM (BTDC) | 1.8 |
| Primary Drive Gearing | 3.578 |
| Final Drive Gearing (Sprockets) | 41/12 |
| Box Gearing First | 3.25 |
| Box Gearing Second | 2.0 |
| Box Gearing Third | 1.428 |
| Box Gearing Fourth | 1.125 |
| Fuel Capacity (L) | 2.5 |
| 2 Stroke Oil Tank Capacity (L) | .22 |
| Gearbox Oil Capacity | 500cc |
| Fork Oil Capacity (CC/Fork Leg) | 85 |
| Front Tire (stock) | 2.50 X 16 |
| Rear Tire (stock) | 3.00 X 14 |
| Front Brake Type | Drum |
| Rear Brake Type | Drum |
| Rear Suspension | Twin Shock |
| Front Suspension Travel (mm) | 100 |
| Rear Suspension Travel (mm) | 65 |
| Overall Width (mm) | 690 |
| Ground Clearance (mm) | 220 |
| Wheelbase (mm) | 1,025 |
| Dry Weight (kg) | 54 |
| Spark Plug | NGK B6HS |
| Voltage | 6 Volt |