1973 Yamaha RD 350 technical specifications

Technical specifications

Model: RD 350
Years: 1973
Engine: Two stroke, parallel twin cylinder, reed valves
Capacity: 347 cc / 21.1 cu-in
Bore x Stroke: 64 х 54 mm
Cooling System: Air cooled
Compression Ratio: 6.6:1
Lubrication: Autolube
Air filtration: Disposable dry paper
Induction: 2, Mikuni VM28 SC
Ignition: Battery, dual coils, breaker points
Battery: 12V-5.5AH
Starting: Kick
Max Power: 39 hp / 28.5 kW @ 7500 rpm
Max Torque: 24.1 lb-ft / 32.6 Nm @ 7000 rpm
Clutch: Wet, multi-plate
Transmission: 6 Speed
Final Drive: Chain
Primary Drive: Helical cut gears
Gear Ratio: 1st 19.86:1 2nd 12.74:1 3rd 9.45:1 4th 7.46:1 5th 6.37:1 6th 6.63:1
Frame: Tubular, double cradle
Front Suspension: Telescopic forks
Rear Suspension: Dual shocks
Front Brakes: Single 267mm disc 2 piston caliper
Rear Brakes: 178mm Drum
Front Tyre: 3.00-18
Rear Tyre: 3.25-18
Rake: 27.5º
Trail: 104 mm / 4.10 in
Dimensions: Length 2057.4mm / 81.0 in
Wheelbase: 1320.8 mm / 52.0 in
Handlebar Width: 990 mm / 29.0 in
Seat Height: 800 mm / 31.5 in
Ground Clearance: 162.5 mm / 6.4 in.
Wet Weight: 155 kg / 342 lbs
Fuel Capacity: 15.9 Litres / 4.2 gal
Consumption Average: 32.9 mpg
Braking Distance 30 mph - 0: 28 ft. 2 in.
Braking Distance 60 mph - 0: 99 ft. 10 in.
Acceleration 0-60 mph: 5.2 sec
Standing ¼ Mile: 14.48 sec / 89.8 mph
Top Speed: 102 mph / 164 km/h

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