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Get yourself a 6 and 7 tooth clutch bell for quick change also get a 60/68 tooth rear rim sprockets.......You can combo those up to dial-in for different track setups....................
 

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Yeah, there are 6 to 10 tooth pinions and 55 to 78 tooth rear gears, alot of choices, going to need some chain too,lol.
 

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I have a couple of new 10 tooth cag pinions here, but would need to change the bearing in the housing to fit the 10mm threaded shaft. Think there for ADA housings. Was going to use them on the 2 engine drag bike but I have 5 to 1 transmissions right now, have to find a piece of plate to make the second engine mount, then I can start on the frame.
 

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This gear stuff brings up a question? All my Cag clutch housings stock & 3rd bearing, when you pull the pinion the dia. that goes thru the bearing is .590" around 15mm, but all the pinions you buy except for a few are 8 to 10mm thread. I have a jar of 8 and 10mm pinions that don't fit.
Think Cam2 told me before to get a bearing with a center that fits the pinion threads. Can't find any .590", 15mm dia. pinions w/ a third bearing housing they sell either.
 

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21,742 Posts
This gear stuff brings up a question? All my Cag clutch housings stock & 3rd bearing, when you pull the pinion the dia. that goes thru the bearing is .590" around 15mm, but all the pinions you buy except for a few are 8 to 10mm thread. I have a jar of 8 and 10mm pinions that don't fit.
Think Cam2 told me before to get a bearing with a center that fits the pinion threads. Can't find any .590", 15mm dia. pinions w/ a third bearing housing they sell either.
I converted all my clutches to pinions that fit into a 6202RS bearing..Its the shoulder of the pinion that rides inside the bearing...Some clutches have the bell poke through the bearing half way and the pinion the other half...some clutch bells go all the way and the pinion just has threads that screws-in til its tight.........Then theres different sizes and different threads for both types..........
 
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