Suzuki GP125

Make Model	Suzuki GP 125
Year	1978 - 83
Engine	Two stroke, single cylinder, rotary disc valve
Capacity	123 cc / 7.5 cu in
Bore x Stroke	56 x 50 mm
Compression Ratio	6.8:1
Cooling System	Air cooled
Induction	Mikuni flatside carburetor
Starting	Kick
Max Power	11.2 kW / 15 hp @ 8500 rpm
Max Torque	12.7 Nm / 1.3 kgf-m / 9.4 lb-ft @ 7500 rpm
Clutch	Wet, multi-plate
Transmission	5-Speed, constant mesh
Final Drive	Chain
Front Suspension	Telescopic fork, oil dampened
Rear Suspension	Swingarm, twin shocks, coil springs
Front Brakes	Drum
Rear Brakes	Drum
Front Tyre	2.75-18
Rear Tyre	3.00-18
Dimensions	Length: 1895 mm / 74.6 in Width: 750 mm / 29.5 in Height: 1055 mm / 41.5 in
Wheelbase	1235 mm / 48.6 in
Dry Weight	101 kg / 222 lbs

A low cost, economy version of the GT125/RG125 single two-stroke. The model name GP was apparently adopted from racing world (Grand Prix), the GP125 shared the bore and stroke dimensions with the 1976/1977 Suzuki RG500 works racer.

The biggest difference between the 1978 RG125/GT125 and the GP125 was that the RG had a twin engine with piston reed valves while the GP a single cylinder engine with rotary disk valves. Suzuki Motor Company continued to build the model couple of years into the 1980's, perhaps even longer for export to New Zealand.

Suzuki GP 125