23 tooth sprocket
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Cruiser
Joined: Aug 2008
Posts: 183
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From: indiana
23 tooth sprocket
i have a question.i own an 82 sporty and thinking about changing the drive sprocket from a 21 tooth to a 23 tooth.the question is will i have to modify the sprocket cover?is the sprocket the same size as the original or is it larger in diameter?with the stock sprocket it looks real close to top mount bolt mount any info will help thanks
pops
pops
Stellar HDF Member
Joined: Feb 2006
Posts: 3,035
Likes: 17
From: Houston Texas
i have a question.i own an 82 sporty and thinking about changing the drive sprocket from a 21 tooth to a 23 tooth.the question is will i have to modify the sprocket cover?is the sprocket the same size as the original or is it larger in diameter?with the stock sprocket it looks real close to top mount bolt mount any info will help thanks
pops
pops
On an older bike the 23T fits without any alteration to the cover required.
On a 1982 there may be a small amount of grinding needed.
I am sure someone who has a 1982 machine with a 23T will chime in here with how it works for them.
pg
If you run an o-ring chain you will have to grind a little off for sure. I did this on my 1980. Here is a [blurry, sorry!] pic. The grind on the standoff is what i needed; the one at the top was done by an improperly adjusted chain.
Road Warrior
Joined: Nov 2006
Posts: 1,441
Likes: 790
From: Heart of Dixie
I have an '83, and I had to grind the inside cover bosses a little to get the 23 to fit, as it's a little larger diameter than the stock 21. Nothing drastic, though. I don't run an o-ring chain - if you do, you may have do grind a little more than I did to get adequate clearance.
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