Yamaha CT1B 175: history, specs, pictures

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Yamaha CT1B 175
Manufacturer
Production 1970
Engine
single cylinder, two-stroke
Bore / Stroke 66.0mm x 50.0mm
Horsepower 15.29 HP (11.4 KW) @ 7000RPM
Torque 8.78 ft/lbs (11.9 Nm) @ 5500RPM
Fuel System carburetor
Transmission Gear box: 5-speed
Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Weight
Recommended Oil Yamalube 10w-40
Fuel Capacity 1.9 Gallon (7.19 Liters)
Manuals Service Manual


The Yamaha CT1B 175 was a single cylinder, two-stroke standard produced by Yamaha in 1970. Max torque was 8.78 ft/lbs (11.9 Nm) @ 5500 RPM. Claimed horsepower was 15.29 HP (11.4 KW) @ 7000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 66.0mm bore x 50.0mm stroke result in a displacement of just 175.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The CT1B 175 was fitted with a 1.9 Gallon (7.19 Liters) fuel tank.