Yamaha RD350F2 (1987-89)

The Yamaha RD350F2 motorcycle was produced between 1987 and 1989. It has a two-stroke, parallel twin cylinder, YPVS engine with a capacity of 347 cc. The bore and stroke are 64 mm and 54 mm respectively, while the compression ratio is 6.2:1. The bike is liquid cooled and uses an autolube system for lubrication. Induction is provided by two 26mm Mikuni slide-needle carburetors, while the ignition is handled by a flywheel magneto CDI. The Yamaha RD350F2 has a kick start and can produce a maximum power output of 63 PS at 9000 rpm and a maximum torque of 49.1 Nm at 9000 rpm. It uses a wet multiplate clutch and a 6-speed transmission with final drive through a chain.

On the suspension front, the Yamaha RD350F2 has a 35mm telescopic fork with air assistance and variable damping at the front, and a rising rate Monocross 5-way preload at the rear. It has a front braking system of two 260mm discs with 2 piston calipers, and a rear braking system with a single 260mm disc with 1 piston caliper. The front and rear tires, respectively, are 90/90-18 51H and 110/80-18 58H. The bike’s dimensions are 2095 mm in length, 700 mm in width, and 1190 mm in height. The wheelbase is 1385 mm and the seat height is 790 mm, while the ground clearance is 165 mm. The Yamaha RD350F2 weighs 141 kg dry and 155 kg wet, with a fuel capacity of 17 litres.

Technical specifications:

Make Model: Yamaha RD 350F

Year: 1987 – 89
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
Dimensions: Length 2095 mm / 82.4 in Width 700 mm / 27.5 in Height 1190 mm / 46.8 in
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