Yamaha DS 6back 1970 forward

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Air cooled, 246cc, 2, 2-stroke

Power: 27.74 HP (20.4 kW) @ 7250 rpm
Final drive: Chain
Top speed: 90.72 mph
Curb weight: 319.7 lbs
Category: Classic
Tags: Classic bike
Engine and transmission
Engine type: 2 cylinders, 2-stroke
Displacement: 246 cc (15.03 cubic inches)
Bore × stroke: 2.2 inch × 1.97 inch (oversquare - shortstroke)
Cooling system: Air cooled
Power: 27.74 HP (20.4 kW) @ 7250 rpm
Throttle: Cable operated
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Carburetor
Compression: 7.3:1
Gear box: Manual 5-speed
Clutch: Wet, multiple discs, cable operated
Final drive: Chain
Starter: Electric
Curb weight: 319.7 lbs
Chassis and suspension
Frame type: steel, Double cradle frame
Suspension: Cartridge
Brake: Drum
Suspension: twin shock, Swingarm
Brake: Drum
ABS available: No
Power-to-weight ratio: 0.14 KW/lbs (7.11 lbs/HP)
Top speed: 90.72 mph
Fuel capacity: 2.91 gals
Number of riders: 2 persons

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