Difference between revisions of "Yamaha YR-5"
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Revision as of 01:38, 10 November 2019
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| 'Yamaha YR-5' | |
| Manufacturer | [[Yamaha]] |
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| Production | 1970 |
| Class | [[:Category:Naked motorcycles|Naked]] [[Category:Naked motorcycles]] |
| Engine | Air Cooled, Two Stroke, Parallel Twin |
| Bore / Stroke | 63.5mm x 63.5mm |
| Compression ratio | 6.9:1 |
| Horsepower | 35.94 HP (26.8 KW) @ 7000RPM |
| Transmission | Gear box: 5-Speed Final Drive: Chain |
| Suspension | Front: Telescopic Forks Rear: Dual Shock Absorbers Preload Adjustable |
| Brakes | Front: 183mm Drum Rear: 183mm Drum |
| Front Tire | 3.00-18 |
| Rear Tire | 3.50-18 |
| Seat Height | 31.1 inches (790 mm) |
| Weight | 150.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Manuals | Service Manual |
The Yamaha YR-5 was a Air Cooled, Two Stroke, Parallel Twin Naked motorcycle produced by Yamaha in 1970. Claimed horsepower was 35.94 HP (26.8 KW) @ 7000 RPM.
Engine
A 63.5mm bore x 63.5mm stroke result in a displacement of just 347.0 cubic centimeters.
Drive
The bike has a 5-Speed transmission. Power was moderated via the Wet multi-disc.
Chassis
It came with a 3.00-18 front tire and a 3.50-18 rear tire. Stopping was achieved via 183mm Drum in the front and a 183mm Drum in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Dual Shock Absorbers Preload Adjustable.
1970 - 1972 Yamaha YR-5
The Yamaha YR-5 is a Naked bike, build by Yamaha in 1970. This bike comes with a Single cylinder, parallel two-stroke engine. The R-5 was preceded by the YR-3, the main difference being the cylinders became water-cooled.