Suzuki GP125: history, specs, pictures

From CycleChaos
Jump to navigation Jump to search

Suzuki GP125
Manufacturer Suzuki
Also called GP 125
Production 1978 - 1981
Class Classic
Engine single cylinder, two-stroke
Bore / Stroke 56.0mm x 50.0mm
Compression ratio 6.8:1
Top speed 73 mph (117 km/h)
Horse Power 9.39 HP (7.0 KW) @ 8000RPM
Torque 8.85 ft/lbs (12.0 Nm) @ 7500RPM
Fuel system Carburetor
Battery 6.9:1
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: Wet multi-plate
Suspension Front: Telescopic, Oil Dampened
Rear: Swinging Arm, Oil Dampened
Brakes Front: single disc
Rear: expanding brake
Front Tire 2.75-18
Rear Tire 3.00-18
Wheelbase 48.58 inches (1234 mm)
Dimensions L 74.61 inches (1895 mm)
W 29.49 inches (749 mm)
Weight  (dry), 103.0 kg (wet)
Fuel capacity 2.64 Gallon (10.00 Liters)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Suzuki GP125 was a single cylinder, two-stroke Classic motorcycle produced by Suzuki between 1978 and 1981. It could reach a top speed of 73 mph (117 km/h). Max torque was 8.85 ft/lbs (12.0 Nm) @ 7500 RPM. Claimed horsepower was 9.39 HP (7.0 KW) @ 8000 RPM.


The engine was a air cooled single cylinder, two-stroke. A 56.0mm bore x 50.0mm stroke result in a displacement of just 123.0 cubic centimeters. Fuel was supplied via a rotary valves.


The bike has a 6-speed transmission. Power was moderated via the Wet multi-plate.


It came with a 2.75-18 front tire and a 3.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a Telescopic, Oil Dampened while the rear was equipped with a Swinging Arm, Oil Dampened. The GP125 was fitted with a 2.64 Gallon (10.00 Liters) fuel tank. The wheelbase was 48.58 inches (1234 mm) long.

1978 - 1981 Suzuki GP 125[edit]

1978 - 1981 Suzuki GP 125

This bike its a low cost, economy version of the GT 125/RG 125 single two-stroke. The model name GP was apparently adopted from racing world, the GP 125 shared the bore and stroke dimensions with the 1976/1977 Suzuki RG 500 works racer.

In Media[edit]