Yamaha RZ 350 - 1984 Specifications and Reviews

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.

1984
1 stars Average rating: 1 from 1 votes
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General information

CategorySport
Year1984
ModelYamaha RZ 350

Engine and Transmission Specifications

ClutchWet, multiple-disc
Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemSeparate lubrication (Yamaha Autolube)
StarterKick
IgnitionC.D.I.
Fuel systemCarburettor. MIKUNI VM26SS/2
Bore x stroke64.0 x 54.0 mm (2.5 x 2.1 inches)
Compression6.0:1
Stroke2
Engine typeTwin
Capacity:347.00 ccm (21.17 cubic inches)

Physical measures and capacities

Wheelbase1,385 mm (54.5 inches)
Ground clearance175 mm (6.9 inches)
Overall width710 mm (28.0 inches)
Overall length2,120 mm (83.5 inches)
Overall height1,175 mm (46.3 inches)
Seat height800 mm (31.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc168.0 kg (370.4 pounds)
 
 

Yamaha RZ 350 dimensions and frame

Exhaust systemdual exhaust
Rear brakes diameter267 mm (10.5 inches)
Rear brakesSingle disc
Front brakes diameter267 mm (10.5 inches)
Front brakesDouble disc
Rear tyre dimensions110/80-18 58H
Front tyre dimensions90/90-18 51H
Rear suspension travel100 mm (3.9 inches)
Rear suspensionSwingarm
Front suspension travel140 mm (5.5 inches)
Front suspensionTelescopic fork
Trail96 mm (3.8 inches)
Rake (fork angle)26.0°
Frame typeTubular, double-cradle

Speed and acceleration

Color optionsYellow/Black White/Red
Reserve fuel capacity2.00 litres (0.53 gallons)
Fuel capacity20.00 litres (5.28 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

5.5s
0-60 mph (est.)

Best For

Track70%
City55%
Cornering88%
Daily Riding40%
Touring28%
Passenger25%

Rider Profile

Best ForBest suited to intermediate-to-experienced riders comfortable with a peaky two-stroke that demands attention to the tachometer and rewards active riding.
PurposeA lightweight sport twin built for spirited backroad riding and quick, flickable cornering rather than raw top-end speed or utility.
Rider FitCompact and light at around 168 kg with a low-ish 800mm seat height, making it accessible to riders of varying size and easy to muscle around at low speed.
CharacterA classic buzzy, narrow-power-band two-stroke twin that rewards revving it out and shifting frequently, delivering a raw, visceral riding sensation.
Not Ideal ForNot a good fit for riders wanting long-distance touring comfort, passenger-friendly ergonomics, or off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

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.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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