Yamaha R1-Z

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Yamaha R1-Z
Production 1991 - 1993
Class Naked
Parallel twin cylinder, two stroke, liquid-cooled
Bore / Stroke 55.9mm x 55.9mm
Compression ratio 6.4:1
Horsepower 45.06 HP (33.6 KW) @ 9500RPM
Transmission Gear box: 6-Speed

Final Drive: Chain

Clutch: Wet multi-plate
Suspension Front: Telescopic
Rear: Swinging arm
Brakes Front: Double discs
Rear: Single disc
Front Tire 110/70-17
Rear Tire 140/70-17
Wheelbase 54.29 inches (1379 mm)
Length 78.9 inches (2004 mm)
Width 27.6 inches (701 mm)
Seat Height 29.69 inches (754 mm)
Weight 147.0 kg (wet)
Manuals Service Manual

The Yamaha R1-Z was a Parallel twin cylinder, two stroke, liquid-cooled Naked motorcycle produced by Yamaha between 1991 and 1993. Claimed horsepower was 45.06 HP (33.6 KW) @ 9500 RPM.


A 55.9mm bore x 55.9mm stroke result in a displacement of just 247.0 cubic centimeters.


The bike has a 6-Speed transmission. Power was moderated via the Wet multi-plate.


It came with a 110/70-17 front tire and a 140/70-17 rear tire. Stopping was achieved via Double discs in the front and a Single disc in the rear. The front suspension was a Telescopic while the rear was equipped with a Swinging arm. The wheelbase was 54.29 inches (1379 mm) long.

1991 Yamaha R1-Z[edit]

1991 Yamaha R1-Z 1991 Yamaha R1-Z

This Yamaha R1-Z 250 is packed full of punch running it's liquid cooled, two stroke, parallel twin cylinder engine. In 1993 model with a small 11,000 miles on the clock, this classic two-stroke is in great engine. Twin front disc with disc also fitted to the rear and K2 Tec exhaust system.

1993 Yamaha R1-Z[edit]

1993 Yamaha R1-Z

Yamaha's trellis framed 2 stroke screamer finished in white. PVS, power valve system, treble disc brakes, twin carbon silencers, lighweight with a low seat height. corrosion free.

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