Lambretta series 2 LI 125cc

1959 - 1961 amount produced: 111,087 engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 52 mm stroke: 58 mm cubic capacity: 123 cc compression ratio:7.0: 1 bhp at rpm: 5.2 @ 5,200 transmission: 4 speed constant mesh primary drive: 46/15 1st gear: 17.40: 1 2nd gear: 10.71: 1 3rd gear: 7.47: 1 4th gear: 5.65: 1 lubrication: 2% carburetor: dell'orto ma 18 bs5 choke: 18 mm slide: 50 needle: d20 atomizer: 260b main jet: 93 starter jet: 55 pilot jet: 35 ignition: contact breaker & points ignition timing: 23 deg. btdc breaker gap: 0.35-0.45 mm spark plug: ngk - b7es spark plug gap: 0.5-0.6 mm voltage: 6 volt wheels: 10" wheel hubs: cast tyres: 3.50 x 10 max speed: 43 mph total dry weight: 229 lb

Lambretta series 2 LI 150cc

1959 - 1961 amount produced: 162,040 engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 57 mm stroke: 58 mm cubic capacity: 148 cc compression ratio: 7.0: 1 bhp at rpm: 6.5 @ 5,300 transmission: 4 speed constant mesh primary drive: 46/15 1st gear: 13.95: 1 2nd gear: 9.00: 1 3rd gear: 6.67: 1 4th gear: 5.22: 1 lubrication: 2% carburetor: dell'orto ma 19 bs5 (1959-60) choke: 19 mm slide: 50 needle: d21 atomizer: 260b main jet: 102 starter jet: 55 pilot jet: 40 ignition: contact breaker & points ignition timing:23 deg. btdc breaker gap: 0.35-0.45 mm spark plug: ngk - b7es spark plug gap: 0.5-0.6 mm voltage: 6 volt battery: 6v - 8ah wheels: 10" wheel hubs: cast tyres: 3.50 x 10 max speed: 50 mph total dry weight: 231 lbs

Lambretta series 2 TV175cc

1959 - 1961 amount produced: 34,928 engine: single cylinder, air cooled 2-stroke induction: piston ported bore: 62 mm stroke: 58 mm cubic capacity: 175 cc compression ratio: 8.0: 1 bhp at rpm: 8.6 @ 6000 transmission: 4 speed constant mesh primary drive: 46/15
1st gear: 12.52: 1 2nd gear: 8.76: 1 3rd gear: 6.30: 1 4th gear: 4.82: 1

All models spark plug NGK B7 - 8 ES

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