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12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings)
12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings) 12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings) 12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings) 12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings)
Manufacturer: casa_performance
Origin: Italy

12T front sprocket for Lambretta J50 + Lui 50 models (for 3 speed engine casings)

Product code: X29c

Models: Lambretta J Lui

€28.00

Description:

12T front drive sprocket for Lambretta J50 + Lui 50cc models for 3-speed type engine casings.

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