Special front sprocket sleeve to convert 3 speed J Range + Luna Line Lambretta models (Lui 50 + J50 + Cento + J125) to 4 orVega55-speed!
This sleeve is a different height to the similar sleeve M350. The reason for this is that this sleeve is needed if you intend to take an engine casing that was originally 3-speed, and then convert it to 4 or 5 speed. This special sleeve enables you to get the right chain alignment height between the front sprocket and the clutch crownwheel bell. Used in conjunction with the 3-speed type oil thrower washer B355.
Please note that you will need the parts contained within kit X813k to complete a full cush-drive set-up.
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):
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 chainSpecial front sprocket sleeve to convert 3 speed J Range + Luna Line Lambretta models (Lui 50 + J50 + Cento + J125) to 4 orVega55-speed!
This sleeve is a different height to the similar sleeve M350. The reason for this is that this sleeve is needed if you intend to take an engine casing that was originally 3-speed, and then convert it to 4 or 5 speed. This special sleeve enables you to get the right chain alignment height between the front sprocket and the clutch crownwheel bell. Used in conjunction with the 3-speed type oil thrower washer B355.
Please note that you will need the parts contained within kit X813k to complete a full cush-drive set-up.
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):
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