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
| Year | 1990 – 92 |
|---|---|
| Engine | Two stroke, parallel twin cylinder, YPVS |
| Capacity | 347 cc / 21.1 cu-in |
| Bore x Stroke | 64 54 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 6.2:1 |
| Lubrication | Autolube |
| Induction | 2x 26mm Mikuni slide-needle carburetor |
| Ignition | Flywheel magneto CDI |
| Starting | Kick |
| Max Power | 63 PS / 46.3 kW @ 9000 rpm |
| Max Torque | 49.1 Nm / 5.0 kg-m @ 9000 rpm |
| Clutch | Wet multiplate |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | 35mm Telescopic forks air assistance and variable damping |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | Rising rate Monocross 5-way preload |
| Rear Wheel Travel | 100 mm / 3.9 in |
| Front Brakes | 2x 260mm disc 2 piston calipers |
| Rear Brakes | Single 260mm disc 1 piston caliper |
| Front Tyre | 90/90-18 51H |
| Rear Tyre | 110/80-18 58H |
| Wheelbase | 1385 mm / 54.5 in |
| Seat Height | 790 mm / 31.1 in |
| Ground Clearance | 165 mm / 6.4 in |
| Dry Weight | 141 kg / 310.8 lbs |
| Wet Weight | 155 kg / 341.7 lbs |
| Fuel Capacity | 17 Litres / 4.5 US gal |
