Which sprockets for mx track

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Jul 28, 2002
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#1
I have a 98 220, Rev pipe, air cleaner mod, tuned carb, runs great. What I need help with is the sprockets, I am currently running stock. I think it's 13-47. I want a little more hit on the bottom end, should Ichange the front to a 12 and leave the back or change the back to a 50 and leave the front ? I don't race mx but like to ride the track.
 

KDXFreestyle

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#2
I believe dropping 1 tooth in the front equals 3 in the back.

By taking a tooth off in the front (a smaller sprocket) you will have more tourque/power, but less speed. and visa versa


Just the opposite with the back... Add to make more power/tourque, but minus speed. and take away teeth to add top speed, but lose power.

If you go I believe above a 48 tooth sprocket, you need a new chain guard and block, because the sprocket will hit it.

good luck
 

Midhigh

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#3
Originally posted by KDXFreestyle

If you go I believe above a 48 tooth sprocket, you need a new chain guard and block, because the sprocket will hit it.

good luck [/B]
I run the 13/50 combination and like it alot. I also run the Fredette chain guard and have no problems with it and the clearance between the sprocket and guard.

This combo runs very good for me. In the woods I can run 2nd and 3rd all day and it is a very easy ride with little shifting. On the MX track, however, is the trade off. with this combo you are shifting all the time and if I rode MX more I would go back to stock.
 
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Midhigh

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#5
Originally posted by KDXFreestyle
thats cause the frp guard is made for yoursetup, i was talking about stock.
If you go to the Kawasaki parts site it says that a 43T - 51T rear sprockets are options for a stock KDX. I would think you could run any of these sprockets with the stock guard.
 
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Braahp

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#6
You just have to move your wheel back enough notches on the snails to clear it. May need a longer chain than stock.