Yamaha R5-A 350
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| Yamaha R5-A 350 | |
| Manufacturer | |
|---|---|
| Production | 1970 |
| Class | Classic |
| Engine | Parallel twin cylinder, two stroke,air-cooled |
| Bore / Stroke | 63.5mm x 63.5mm |
| Compression ratio | 7.5:1 |
| Horsepower | 35.94 HP (26.8 KW) @ 7000RPM |
| Torque | 28.03 ft/lbs (38.0 Nm) @ 6500RPM |
| Transmission | Gear box: 5-Speed Final Drive: Chain |
| Suspension | Front: Telescopic forks Rear: Swingarm |
| Brakes | Front: Drum, twin leading shoe Rear: Drum, single leading shoe |
| Front Tire | 3.00-18 |
| Rear Tire | 3.50-18 |
| Wheelbase | 52.8 inches (1341 mm) |
| Width | 29.09 inches (739 mm) |
| Seat Height | 31.1 inches (790 mm) |
| Weight | 154.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Manuals | Service Manual |
The Yamaha R5-A 350 was a Parallel twin cylinder, two stroke,air-cooled Classic motorcycle produced by Yamaha in 1970. Max torque was 28.03 ft/lbs (38.0 Nm) @ 6500 RPM. Claimed horsepower was 35.94 HP (26.8 KW) @ 7000 RPM.
Engine[edit | edit source]
A 63.5mm bore x 63.5mm stroke result in a displacement of just 347.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 5-Speed transmission. Power was moderated via the Wet multi-plate.
Chassis[edit | edit source]
It came with a 3.00-18 front tire and a 3.50-18 rear tire. Stopping was achieved via Drum, twin leading shoe in the front and a Drum, single leading shoe in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Swingarm. The wheelbase was 52.8 inches (1341 mm) long.
1970 - 1972 Yamaha R5-A 350[edit | edit source]
The 1970 Yamaha R-5 was a pretty tought bike to top. R5-A is the best production street 350 cc in the world. By 1970, Yamaha had emerged as one of the leading Japanese motorcycle makers, behind Honda but ahead of Kawasaki and Suzuki. While Honda continued to embrace the 4-stroke ideal, Yamaha, like its other Rising Sun rivals, was still putting most of its faith in 2-stroke technology.