1985 Yamaha RZ350 YPVS

1985 Yamaha RZ350 YPVS

The 1985 1985 Yamaha RZ350 YPVS is a 347cc twin-cylinder sport bike that became one of Yamaha's most memorable motorcycles of the 1980s.

Specifications

Engine

Type
2-stroke twin YPVS
Displacement
347 cc
Cylinders
2
Power
59 hp @ 9500 rpm
Torque
37.0 Nm
Compression
Bore × Stroke
64.0 × 54.0 mm
Cooling
Water-cooled
Fuel System
2x Mikuni carburetors

Chassis & Transmission

Frame
Steel double cradle
Front Suspension
Telescopic fork
Rear Suspension
Monoshock
Front Brake
Dual disc
Rear Brake
Single disc
Front Tyre
Rear Tyre
Transmission
6-speed
Final Drive
Chain

Performance

Top Speed
195 km/h (121 mph)
¼ Mile

Dimensions & Weight

Dry Weight
141 kg (311 lbs)
Wet Weight
155 kg (342 lbs)
Seat Height
780 mm
Wheelbase
1355 mm
Ground Clearance
Fuel Capacity
16.0 L

History & Story

In 1985, Yamaha launched the 1985 Yamaha RZ350 YPVS — a sport bike that would come to define an era of motorcycling. Hailing from Japan, it combined Japan engineering with sport bike appeal.

Powering the 1985 Yamaha RZ350 YPVS is a 347cc 2-stroke twin YPVS producing 59hp. This twin-cylinder engine uses water-cooled cooling and draws fuel through 2x Mikuni carburetors. A 6-speed gearbox sends power via chain final drive to the rear wheel.

Built around a steel double cradle frame, the 1985 Yamaha RZ350 YPVS suspends its 141 kg (311 lbs) on telescopic fork forks and monoshock rear units. Braking relies on dual disc at the front and single disc at the rear, with a 1355 mm wheelbase providing stability.

Performance-wise, the 1985 Yamaha RZ350 YPVS achieves a claimed top speed of 195 km/h (121 mph). With a generous fuel capacity of 16.0 liters, it offers reasonable range for sport bike duties. The seat height of 780 mm makes it comfortable for most riders.

Today, the 1985 Yamaha RZ350 YPVS is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as moderate, making ownership a dedicated pursuit. It remains an icon of Yamaha motorcycling from 1980s.

Known Issues

  • Reed valve deterioration
  • Exhaust power valve carbon buildup
  • Crank seal wear
  • Speedometer gear wear

Fun Facts

  • The 1985 Yamaha RZ350 YPVS is considered one of the most collectible motorcycles from Yamaha
  • The 1985 Yamaha RZ350 YPVS is widely regarded as a milestone in motorcycle history
  • As a two-stroke, the 1985 Yamaha RZ350 YPVS produced a distinctive exhaust note and required premix or oil injection
  • With a power-to-weight ratio of 418.4 hp per tonne, the 1985 Yamaha RZ350 YPVS offered thrilling performance

Collector Information

Parts Availability
Moderate
Collector Rating
8/10

Resources & Parts