GP125
engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 52 mm stroke: 58 mm cubic capacity: 123 cc compression ratio: 7.8: 1 bhp at rpm: 7.3 @ 6200 transmission: 4 speed constant mesh primary drive: 46/15 o1st gear: 15.33: 1 o2nd gear: 10.71: 1 o3rd gear: 7.97: 1 o4th gear: 6.32: 1 lubrication: 2% carburettor: dell'orto sh1/20 choke: 20 mm slide:5914/2 atomizer: 5899/4 main jet: 98 starter jet: 50 pilot jet: 45 ignition: contact breaker & points ignition timing: 21 deg. btdc breaker gap: 0.35-0.45 mm spark plug: ngk - b7es spark plug gap: 0.45-0.5 mm voltage: 6 volt wheels: 10" wheel hubs: cast tyres: 3.50 x 10 max speed: 54 mph total dry weight: 232 lbs


GP150
engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 57 mm stroke: 58 mm cubic capacity: 148 cc compression ratio: 7.8: 1 bhp at rpm: 8.7 @ 6300 transmission: 4 speed constant mesh primary drive: 46/15 o1st gear: 15.33: 1 o2nd gear: 10.71: 1 o3rd gear: 7.97: 1 o4th gear: 5.65: 1 lubrication: 2% carburettor: dell'orto sh2/22 choke: 22 mm slide:7895/2 atomizer: 5899/4 main jet: 118 starter jet: 50 pilot jet: 45 ignition: contact breaker & points ignition timing: 21 deg. btdc breaker gap: 0.35-0.45 mm spark plug: ngk - b7es spark plug gap: 0.45-0.5 mm voltage: 6 volt wheels: 10" wheel hubs: cast tyres: 3.50 x 10 max speed: 63 mph total dry weight: 260 lbs

GP200
engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 66 mm stroke: 58 mm cubic capacity: 198 cc compression ratio: 7.3: 1 bhp at rpm: 11.7 @ 6200 transmission: 4 speed constant mesh primary drive: 47/18 o1st gear: 13.05: 1 o2nd gear: 9.13: 1 o3rd gear: 6.79: 1 o4th gear: 5.22: 1 lubrication: 4% carburettor: dell'orto sh2/22 choke: 22 mm slide:7895/1 atomizer: 5899/2 main jet: 118 starter jet: 50 pilot jet: 45 ignition: contact breaker & points (1969-1970) ignition: electronic (1970 - 1971) ignition timing: 21 deg. btdc breaker gap: 0.35-0.45 mm spark plug: ngk - b7es spark plug gap: 0.45-0.5 mm voltage: 6 volt wheels: 10" wheel hubs: cast tyres: 3.50 x 10 max speed: 68 mph total dry weight: 271 lbs

* Information from Various Tech website.
* Some information may vary
* These are just a Guide