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Discussion Starter · #1 ·
On all my Cats I removed a shim in the secondary to bring the sheaves closer and let the belt ride high, or start higher from a stop.. With Doo there is a cam that allows a good deal of adjustment but when the belt wears down you run out of cam, even a new belt starts at 4 or so and goes to 6 quick. I took mine apart and found two shims of different thickness, I pulled the thicker one and went from 6 to 4 with a 1500 mile belt, a new one should see 2 or so. This will give me more belt life and alow it to ride high (top cogs above sheave). So next time you are in there pull one.
 

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I too have seen some clutches with 2 shims. i think it was a mistake.........

it wasn't suposed to be there

With one shim, my new belt starts at about #1.5.....
 

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Fuzzy but not Blue........
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Had two in my '03. Didn't leave much for adjustment and pulled one also. My '06 has one. -Grover
 

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Two in my '03 and '05 as well
 

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Discussion Starter · #8 ·
Them are they, I had 2 but it looks like some have 1, who knows, all I know is it works and gives a better range of adj.
 

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Took my 06800mxzx secondary apart tonite and it only had one in it.Im at 5 right now.Check the belt, the side cord was missing an inch.The belt had about 1000 miles on it its going to be a spare now.
 
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