Yamaha CS5: history, specs, pictures

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1972[edit]

1972 Yamaha CS5 in Purple
1972 Yamaha CS5 in Purple
1972 Yamaha CS5 in Purple
1972 Yamaha CS5 in Purple
1972 Yamaha CS5 in Purple
1972 Yamaha CS5 in Purple


Yamaha CS5
Manufacturer Yamaha
Also called CS5 Street
Production 1972
Engine twin, two-stroke
Bore / Stroke 52.0mm x 46.0mm
Top speed 84 mph (135 km/h)
Horse Power 21.59 HP (16.1 KW) @ 7500RPM
Torque 15.71 ft/lbs (21.3 Nm) @ 7000RPM
Fuel system carburetor. vm20sc x 2
Ignition type battery
Battery 7.1:1
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: multi-disc, wet
Suspension Front: telescopic fork
Rear: swing arm
Brakes Front: expanding brake (drum brake). right hand operation, cable actuated
Rear: expanding brake (drum brake). right foot operation, rod actuated
Front Tire 3/18-4pr
Rear Tire 3/18-4pr
Wheelbase 49.02 inches (1245 mm)
Dimensions L 76.18 inches (1935 mm)
W 32.87 inches (835 mm)
H 40.75 inches (1035 mm)
Weight 257.94 pounds (117.0 Kg)
Fuel capacity 2.38 Gallon (9.00 Liters)
Oil capacity 0.5 Gallon (1.90 Liters)
Fuel consumption 2.85 liters/100 km (35.1 km/l or 82.53 mpg)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Yamaha CS5 was a twin, two-stroke standard produced by Yamaha in 1972. It could reach a top speed of 84 mph (135 km/h). Max torque was 15.71 ft/lbs (21.3 Nm) @ 7000 RPM. Claimed horsepower was 21.59 HP (16.1 KW) @ 7500 RPM.

Engine[edit]

A 52.0mm bore x 46.0mm stroke result in a displacement of just 195.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit]

The bike has a 5-speed transmission. Power was moderated via the multi-disc, wet.

Chassis[edit]

It came with a 3/18-4pr front tire and a 3/18-4pr rear tire. Stopping was achieved via expanding brake (drum brake). right hand operation, cable actuated in the front and a expanding brake (drum brake). right foot operation, rod actuated in the rear. The front suspension was a telescopic fork while the rear was equipped with a swing arm. The CS5 was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 257.94 pounds (117.0 Kg). The wheelbase was 49.02 inches (1245 mm) long.