The Yamaha YDS7 motorcycle was produced from 1962-63 and featured an air-cooled, two-stroke, piston-port, parallel twin engine with a capacity of 247cc. It had a compression ratio of and was powered by a single carburetor, producing a maximum power of 23 hp at 7500 rpm and maximum torque of 5.2 kgf-m at 6000 rpm. The transmission was 5 speed with a chain final drive. The front suspension featured telescopic forks and the rear suspension was a swing arm. The brakes were drum, and it had 3.00-18 sized tires. The wheelbase was 1290mm and wet weight was 138kg or 309lbs. Fuel capacity is not provided.
Make Model: Yamaha YDS-2
Year: 1962-63
Engine: Air-cooled, two stroke, piston-port, parallel twin
Engine: Two stroke, piston-port, parallel twin
Capacity: 247 cc / 15.0 cu-in
Bore x Stroke: 54 x 54 mm
Cooling System: Air-cooled
Compression Ratio:
Induction: Single carburetor
Starting: Kick
Max Power: 23 hp @ 7500 rpm
Max Torque: 5.2 kgf-m @ 6000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Rear Suspension: Swing arm
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00 -18
Rear Tyre: 3.00 -18
Wheelbase: 1290 mm
Wet Weight: 138 kg / 309 lbs
Fuel Capacity:
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