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)
Recommended Oil Yamalube 10w-40
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.