Yamaha YSR80
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| Yamaha YSR80 | |
| Manufacturer | |
|---|---|
| Production | 87-93 |
| Engine | |
| Bore / Stroke | 40.0mm x 39.2mm |
| Compression ratio | 7.4:1 |
| Horsepower | 7 horsepower @ 8,800 RPM |
| Torque | 0.59 kg-m @ 8,500 RPM |
| Fuel System | Carburetor, Mikuni VM16SH |
| Spark Plug | NGK B8HS '87-93 |
| Battery | YUASA 6N4-2A-2 '87-93 |
| Transmission | 5-speed constant mesh |
| Front Tire | 3.50-12 '87-93 |
| Rear Tire | 4.00-12 '87-93 |
| Wheelbase | 1050mm |
| Length | 1575mm |
| Width | 635mm |
| Height | 930mm |
| Seat Height | 650mm |
| Weight | 75kg (dry), |
| Recommended Oil | Yamalube 10w-40 |
| Related | Yamaha RX50 (contained same engine), Yamaha YSR85 |
| Manuals | Service Manual |
History
Yamaha YSR 80 and YSR 50 sport models goes on sale in Japan in 1986, and had the look of a re-shaped, scaled-down YZR500 factory racer that appealed to the spirit of race enthusiasts. The 2-stroke single-cylinder engine had a maximum output of 7 ps for the 50cc and 8.8 ps for the 80cc, a return type 5-speed transmission, front disc brake and other features to offer full-fledged sport riding potential. It became a standard in the mini-bike races popular at the time. 1992 was the last year of production, and the price was 189.000 yen for the 50cc and 211.000 yen for the 80cc.
1990
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
1990 Yamaha YSR80B in Black
See Also
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