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CT1C (close ratio)

Category: Enduros
Manufacturer: Yamaha show models
Hits: 649
Year 1971
Engine Class 175
Known VIN Range (Vehicle ID Numbers) 200101 to 202200
Model Code CT1
Tank Color(s) Candy Orange
Country of Sale USA
Bore (MM) 66
Stroke (MM) 50
Displacement (CC) 171
Compression Ratio (to 1) 6.8
BHP @ RPM 15 @ 7,000
Torque (kgm) @ RPM 1.64 @ 5,500
Autolube Injection? Yes
Engine Cooling Air
Carburetor Model VM24SH
Ignition Type Magneto
Ignition Timing MM (BTDC) 1.8
Primary Drive Gearing 3.9
Final Drive Gearing (Sprockets) 45/14
Fuel Capacity (L) 7
2 Stroke Oil Tank Capacity (L) 1.37
Gearbox Oil Capacity .74
Fork Oil Capacity (CC/Fork Leg) 160
Front Tire (stock) 3.25 x 18
Rear Tire (stock) 3.50 x 18
Front Brake Type Drum
Rear Brake Type Drum
Rear Suspension Twin Shock
Overall Width (mm) 910
Ground Clearance (mm) 240
Wheelbase (mm) 1,290
Dry Weight (kg) 96
Spark Plug NGK B8ES
Voltage 6 Volt
Comments This model had Close ratio transmission 16/37 sprockets

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