Suzuki GS125: history, specs, pictures

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Suzuki GS125
Manufacturer
Also called GS125 ESZ, GS 125 ESZ, GS125 ESF, GS 125 ESF, GS125ES, GS 125 ES, GS 125
Production 1982 - 2017
Class Road
Engine
single cylinder, four-stroke
Bore / Stroke 57.0mm x 48.8mm
Top Speed 65 mph (105 km/h)
Horsepower 11.8 HP (8.8 KW) @ 9500RPM
Torque 7.38 ft/lbs (10.0 Nm) @ 8000RPM
Fuel System carburetor. mikuni bs26ss
Ignition electronic, transistor controlled
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet, multi-disc
Suspension Front: telescopic
Rear: twin shock, adjustable
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 2.75-18
Rear Tire 90/90-18
Wheelbase 49.8 inches (1265 mm)
Length 76.57 inches (1945 mm)
Width 28.94 inches (735 mm)
Height 42.13 inches (1070 mm)
Seat Height 29.53 inches (750 mm)
Weight 257.94 pounds (117.0 Kg) (dry), 122.0 kg (wet)
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 3.7 Gallon (14.00 Liters)
Manuals Service Manual


The Suzuki GS125 was a single cylinder, four-stroke Road motorcycle produced by Suzuki between 1982 and 2017. It could reach a top speed of 65 mph (105 km/h). Max torque was 7.38 ft/lbs (10.0 Nm) @ 8000 RPM. Claimed horsepower was 11.8 HP (8.8 KW) @ 9500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 57.0mm bore x 48.8mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

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

Chassis[edit | edit source]

It came with a 2.75-18 front tire and a 90/90-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic while the rear was equipped with a twin shock, adjustable. The GS125 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The bike weighed just 257.94 pounds (117.0 Kg). The wheelbase was 49.8 inches (1265 mm) long.

In Media[edit | edit source]