Lambretta RB22 High Performance Race Crankshaft Mazzucchelli 58mm Stroke 107mm Conrod - AF Rayspeed universal Digitronic adjusts preignition to compensate

Digitronic adjusts preignition to compensate for higher speeds with delayed ignition

Known to fit:

MBK Ovetto 50cc

Zip Base 50cc 95/96

Automatic - Variator - Malossi - 5111593 - 250cc

Lambretta RB22 High Performance Race Crankshaft Mazzucchelli 58mm Stroke 107mm Conrod - AF Rayspeed universal Digitronic adjusts preignition to compensateLambretta RB22 High Performance Race Crankshaft Mazzucchelli 58mm Stroke 107mm Conrod AF Rayspeed Italian Mazzucchelli Made for AF Rayspeed with strength for the RB 225 Kit The RB25 as standard uses a 60mm crank with 107mm rod. The RB22 as standard uses a 58mm crank with a 107mm rod. The RB20 as standard uses a 58mm crank with 116mm rod.