Yamaha RD350B>> Way back in 1977

My RD350b. It looked stock standard, however there were subtle engine & gearbox mods. In cafe races it would leave Kwacker 650's
standing. (whats that blur in my mirror?
http://www.bikes.abacuscaralarms.co.uk/classic_bikes/Yamaha_RD350A.htm


















General information
Model:Yamaha RD 350 (6-speed)
Year:1974
Category:Classic
Rating:72.2 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement:347.00 ccm (21.17 cubic inches)
Engine type:Twin
Stroke:2
Power:39.00 HP (28.5 kW)) @ 7500 RPM
Compression:6.6:1
Bore x stroke:64.0 x 54.0 mm (2.5 x 2.1 inches)
Fuel control:Membrane
Cooling system:Air
Gearbox:6-speed
Transmission typefinal drive:Chain
More details
Consult a Yamaha repair manual.
Physical measures
Weight incl. oil, gas, etc:
162.0 kg (357.1 pounds)
Chassis and dimensions
Front tyre dimensions:3.00-18
Rear tyre dimensions:3.50-18
Front brakes:Single disc
Rear brakes:Expanding brake
Speed and acceleration
Top speed:170.0 km/h (105.6 mph)
Other specifications
Fuel capacity:16.00 litres (4.23 gallons)
Further information
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Related bikes
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Yamaha RD350 Engine: Air-cooled, two-stroke twin; reed-valve induction Displacement: 347cc Bore x stroke: 64.0 x 54.0mm Compression ratio: 6.8:1 Carburetion: 2, Mikuni VM28 SC Ignition: Battery, dual coils, breaker points Lubrication: Constant-flow Autolube oil-injection Primary drive: Helical gear, 2.87:1 Final drive: No. 530 chain, 2.67 Battery: 12V/5.5AH Front brake: One, dual-piston caliper, 267mm disc Rear brake: Single-leading-shoe, 178mm drum Front tire: 3.00 x 18 in. Dunlop F7 Rear tire: 3.50 x 18 in. Dunlop K95 Rake/trail: 27.5 deg./4.2 in. (106mm) Wheelbase: 52 in. (1321mm) Seat height: 31.5 in. (800mm) Top speed: 106 mph Best 1/4-mile acceleration: 14.48 sec. @ 89.8 mph