Yamaha XS850: review, history, specs
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| 'Yamaha XS850' | |
| Manufacturer | [[Yamaha]] |
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| Also called | XS 850 |
| Production | 1980 - 1982 |
| Class | [[:Category:Standard motorcycles|Standard]] [[Category:Standard motorcycles]] |
| Predecessor | Yamaha XS750 |
| Engine | in-line three, four-stroke |
| Bore / Stroke | 71.5mm x 68.6mm |
| Compression ratio | 9.2:1 |
| Top Speed | 122 mph (196 km/h) |
| Horsepower | 77.38 HP (57.7 KW) @ 8500RPM |
| Spark Plug | NGK BP7ES '80-81 |
| Battery | YUASA YB14L-A2 '80-81 |
| Transmission | Gear box: 5-speed Final Drive: shaft drive (cardan) |
| Suspension | Front: Telescopic Forks Rear: Swing Arm |
| Brakes | Front: dual disc Rear: single disc |
| Front Tire | 3.25-19 |
| Rear Tire | 4.00-18 |
| Weight | 258.0 kg (wet) |
| Oil Filter | K&N KN-146 |
| Fuel Capacity | 6.34 Gallon (24.00 Liters) |
| Related | Yamaha XS750 |
| Manuals | Service Manual |
The Yamaha XS850 was a in-line three, four-stroke Naked motorcycle produced by Yamaha between 1976 and 1982. It could reach a top speed of 122 mph (196 km/h). Claimed horsepower was 77.38 HP (57.7 KW) @ 8500 RPM.
History
Made in the US from 80-81 Also offered in Europe in 80-82 This is an evolved version of the XS750 (a shaft drive, 2 valve per cylinder, 3 cylinder, 4 stroke) which was basically bored out in 1980 to become the 850.
Offered as
- XS850G 80 Standard UJM
- XS850SG 80 Special
- XS850LG 80 Midnight Special
- XS850H 81 Standard UJM
- XS850SH 81 Special
- XS850LH 81 Midnight Special
Information and a forum following is the same as for the XS750.
Engine
The engine was a air cooled in-line three, four-stroke. A 71.5mm bore x 68.6mm stroke result in a displacement of just 826.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
Drive
The bike has a 5-speed transmission.
Chassis
It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via dual disc in the front and a single disc in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Swing Arm. The XS850 was fitted with a 6.34 Gallon (24.00 Liters) fuel tank.
1980 - 1982 Yamaha XS 850
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