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Difference between revisions of "Yamaha YR1"
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This had been Yamaha's opportunity to stun the world with an outright fire-breathing race-bike for the street, reflecting their successes on the racetrack, but instead it seemed more like a steady tourer. Actually, it was in many ways a two-stroke equivalent of the CB450, so perhaps that was a deliberate choice. The chassis was essentially a larger version of the YDS5 frame with the more powerful brakes, thanks to new drum linings. Suspension was quite firm, and steering neutral. The YR1 was a decent bike, but it could have been so much more. | This had been Yamaha's opportunity to stun the world with an outright fire-breathing race-bike for the street, reflecting their successes on the racetrack, but instead it seemed more like a steady tourer. Actually, it was in many ways a two-stroke equivalent of the CB450, so perhaps that was a deliberate choice. The chassis was essentially a larger version of the YDS5 frame with the more powerful brakes, thanks to new drum linings. Suspension was quite firm, and steering neutral. The YR1 was a decent bike, but it could have been so much more. | ||
== | ==1966== | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-14.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-15.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-2.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-3.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-4.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-5.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-6.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-7.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-8.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-9.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-10.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-11.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-12.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-13.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
[[Image: | [[Image:1966-Yamaha-YR1-Red-14.jpg|left|thumb|1966 Yamaha YR1 in Red]] | ||
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{{Yamaha}} | {{Yamaha}} | ||
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}} | }} | ||
The '''[[Yamaha]] YR1''' was a Twin cylinder, two stroke, [[air cooled]] Naked [[motorcycle]] produced by [[Yamaha]] in 1967. Max [[torque]] was 23.6 ft/lbs (32.0 Nm) @ 7000 RPM. Claimed [[horsepower]] was 36.48 HP (27.2 KW) @ 7500 RPM. | The '''[[Yamaha]] YR1''' was a Twin cylinder, two stroke, [[air cooled]] Naked [[motorcycle]] produced by [[Yamaha]] in 1967. Max [[torque]] was 23.6 ft/lbs (32.0 Nm) @ 7000 RPM. Claimed [[horsepower]] was 36.48 HP (27.2 KW) @ 7500 RPM. | ||
==Engine== | ==Engine== | ||