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12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines)
12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines) 12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines) 12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines) 12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines)
Manufacturer: casa_performance
Origin: Italy

12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc (4 speed engines)

Product code: X29e

Models: Lambretta Lui J

€38.00

Description:

12T front sprocket (non-original size) for Lambretta Lui Vega Cometa 75cc, also adaptable for Starstream J125 4 speed engines.

Choice of this sprocket modified for use in 3-speed engine casings, for use when converting to 4 or 5-speed!

This is the complete list of all possible front drive sprocket & clutch crownwheel sprocket combinations for all J-Range and Lui-Vega-Cometa models, complete with the required length chain (with 'live' product links):

45T Clutch Crownwheel Sprocket
45T clutch sprocket + 11T front sprocket = 73 link chain
45T clutch sprocket + 12T front sprocket = NO! 
45T clutch sprocket + 13T front sprocket = 74 link chain
45T clutch sprocket + 14T front sprocket = 74 link chain
45T clutch sprocket + 15T front sprocket = 75 link chain
45T clutch sprocket + 16T front sprocket = 75 link chain

46T Clutch crownwheel sprocket

46T clutch sprocket + 11T front sprocket = NO!
45T clutch sprocket + 12T front sprocket = 74 link chain
46T clutch sprocket + 13T front sprocket = stretched 74 link chain
46T clutch sprocket + 14T front sprocket = 75 link chain
46T clutch sprocket + 15T front sprocket = 75 link chain
46T clutch sprocket + 16T front sprocket = 76 link chain

47T Clutch crownwheel sprocket

47T clutch sprocket + 11T front sprocket = 74 link chain
47T clutch sprocket + 12T front sprocket = stretched 74 link chain
47T clutch sprocket + 13T front sprocket = 75 link chain
47T clutch sprocket + 14T front sprocket = NO!
47T clutch sprocket + 15T front sprocket = NO!
47T clutch sprocket + 16T front sprocket = 76 link chain