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Sportbikes

1984Yamaha RZ 350

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The 1984 Yamaha RZ 350 is a lightweight two-stroke sport bike ideal for enthusiasts seeking thrilling performance and agile handling. Known for its potent 347cc twin-cylinder engine delivering impressive power-to-weight ratio, the RZ dominated amateur racing and appealed to riders prioritizing excitement over practicality. Its liquid-cooled, six-speed design made it a benchmark for 350cc competition machines.

Capacity
347.0 ccm
Engine
Parallel Twin
Gearbox
6-speed
Wet weight
168.0 kg
Seat height
800 mm
Power
34.7 HP (25.5 kW)

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 62Agility 88Comfort 35Off-road 10Touring 30Road manners 80
Off-road & trail10%
Cornering88%
City riding55%
Daily riding40%
Touring28%
Two-up25%
Track70%
Best for
A lightweight sport twin built for spirited backroad riding and quick, flickable cornering rather than raw top-end speed or utility.
Built for
A classic buzzy, narrow-power-band two-stroke twin that rewards revving it out and shifting frequently, delivering a raw, visceral riding sensation.
Not ideal for
Not a good fit for riders wanting long-distance touring comfort, passenger-friendly ergonomics, or off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 800mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 1984 Yamaha RZ 350, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Full specifications

Engine
Capacity
347.0 ccm
Power
34.7 HP (25.5 kW)
Engine type
Parallel Twin
Power/weight ratio
0.2065 HP/kg (wet)
Bore x stroke
64.0 x 54.0 mm
Compression
6.0:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Ignition
CDI
Lubrication system
Separate lubrication (Yamaha Autolube)
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, multiple-disc
Dimensions & weight
Wheelbase
1385 mm
Overall length
2120 mm
Overall width
710 mm
Overall height
1175 mm
Seat height
800 mm
Wet weight
168.0 kg
Fuel capacity
20.00 litres
Ground clearance
175 mm
Reserve fuel capacity
2.00 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Tubular, double-cradle
Front suspension
Telescopic fork
Rear suspension
Swingarm
Front wheel travel
140 mm
Rear wheel travel
100 mm
Rake (fork angle)
26.0°
Trail
96 mm
Brakes & wheels
Front brakes
Double disc
Front brakes diameter
267 mm
Rear brakes
Single disc
Rear brakes diameter
267 mm
Front tyre
90/90-18 51H
Rear tyre
110/80-18 58H
Other
Color options
Yellow/Black White/Red

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

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Common questions

What is the engine size of the Yamaha RZ 350?

The 1984 Yamaha RZ 350 has a Capacity of 347.0 ccm (21.18 cubic inches).

What engine power does the Yamaha RZ 350 have?

The 1984 Yamaha RZ 350 has a Power of 34.7 HP (25.5 kW).

How many gears does the Yamaha RZ 350 have?

The 1984 Yamaha RZ 350 has a Gearbox of 6-speed.

How much does the Yamaha RZ 350 weigh?

The 1984 Yamaha RZ 350 has a Wet weight of 168.0 kg (370.4 pounds).

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