Yamaha AT1
The Yamaha AT1 was a 125cc, 2-stroke, dual-purpose motorcycle manufactured by Yamaha from 1970 through 1972.
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Yamaha AT1 | |
Manufacturer | |
---|---|
Production | 1977-1985 |
Class | dual-purpose motorcycle |
Successor | Yamaha AT2 |
Engine | 125cc two-stroke single-cylinder |
Top Speed | 60 mph |
Spark Plug | NGK B8ES or NGK B9ES |
Battery | YUASA 12N7-3B `70-72[1] |
Final Drive | Chain: 428x112 [1] |
Front Sprocket | 14T [1] |
Rear Sprocket | 45T [1] |
Front Tire | 3.25-18 `70-72[1] |
Rear Tire | 3.50-18 `70-72[1] |
Weight | |
Recommended Oil | Yamalube 10w-40 |
Competition | Honda SL175 Kawasaki F6 (125) Kawasaki KS125 |
Manuals | Service Manual |
The AT1 had a raised rear fender but no raised front fender, a raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road-enduro motorcycle or trail motorcycle.
1969Edit
AT1Edit
- Start Engine#: AT1-100101
AT1MEdit
- Starting Engine#: AT1-300101
1970Edit
AT1BEdit
- Starting Engine#: AT1-120101
AT1B MXEdit
- Starting Engine#: AT1-310101
1971Edit
AT1CEdit
- Starting Engine#: AT1-139101
AT1MXEdit
- Starting Engine#: AT1-313101