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Yamaha Specifications

Yamaha RD350R (1990-92)

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Yamaha RD350R (1990-92)

At a glance

Capacity
347 cc / 21.1 cu-in
Power
63 PS / 46.3 kW @ 9000 rpm
Torque
49.1 Nm / 5.0 kg-m @ 9000 rpm
Seat height
790 mm / 31.1 in

The full picture.

The Yamaha RD350R (1990-92) is a two-stroke motorcycle with a parallel twin-cylinder YPVS engine, boasting a capacity of 347 cc and a compression ratio of 6.2:1. The bike is liquid-cooled and comes with autolube lubrication. Induction features two 26mm Mikuni slide-needle carburetors while ignition is ensured through a flywheel magneto CDI. Max power for the bike is 63 PS with 46.3 kW at 9000 rpm, while max torque comes in at 49.1 Nm with 5.0 kg-m at 9000 rpm. The bike uses a wet multiplate clutch with a six-speed transmission and chain final drive.

Front features of the bike include a 35mm telescopic fork with air assistance and variable damping with a front wheel travel of 140 mm. In the back, the RD350R has a rising rate Monocross 5-way preload with a rear wheel travel of 100 mm. The bike also comes with dual front brakes featuring 260mm discs and two-piston calipers, as well as a single 260mm disc with one piston caliper for the rear.

The Yamaha RD350R has a wheelbase of 1385 mm, a seat height of 790 mm, and ground clearance of 165 mm. The bike has a dry weight of 141 kg, a wet weight of 155 kg, and a fuel capacity of 17 liters.


Technical specifications:

Make Model: Yamaha RD 350R

Motorcycle technical specifications
Year1990 – 92
EngineTwo stroke, parallel twin cylinder, YPVS
Capacity347 cc / 21.1 cu-in
Bore x Stroke64 54 mm
Cooling SystemLiquid cooled
Compression Ratio6.2:1
LubricationAutolube
Induction2x 26mm Mikuni slide-needle carburetor
IgnitionFlywheel magneto CDI
StartingKick
Max Power63 PS / 46.3 kW @ 9000 rpm
Max Torque49.1 Nm / 5.0 kg-m @ 9000 rpm
ClutchWet multiplate
Transmission6 Speed
Final DriveChain
Front Suspension35mm Telescopic forks air assistance and variable damping
Front Wheel Travel140 mm / 5.5 in
Rear SuspensionRising rate Monocross 5-way preload
Rear Wheel Travel100 mm / 3.9 in
Front Brakes2x 260mm disc 2 piston calipers
Rear BrakesSingle 260mm disc 1 piston caliper
Front Tyre90/90-18 51H
Rear Tyre110/80-18 58H
Wheelbase1385 mm / 54.5 in
Seat Height790 mm / 31.1 in
Ground Clearance165 mm / 6.4 in
Dry Weight141 kg / 310.8 lbs
Wet Weight155 kg / 341.7 lbs
Fuel Capacity17 Litres / 4.5 US gal