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Where is best place to get a belt for this sled? Is dayco ultamax a good belt? does anyone know numbers of these belts and a good price?  Thanks
 

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The belt that comes on the sled is a 127 Skidoo belt and it is too soft and creates inconsistency in the engine rpm, the gold series belt is too hard of a compound. The best belt we have found and recommend for the sled is the Dayco Ultimax 2 belt and the correct belt is Part# 138-4332, not the belt that the Dayco book lists (144-4353). Also be sure that your clutches have correct center to center and offset.  --  Bill
 

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Hey bill, Why is the 4332 better? I see that it is a bit wider and a little shorter than the 4353. Is that better for drag racing? I phoned they're tech line and they list the 4353 for the renegade but say you can also use the 4332. Will i see better top end with the 4353?  Sorry for all the questions but i have always run OEM skidoo belts. Right now im running 127's on my sled and ladyk's 02 mxz700. They have a bit over 2000kliks on them and are due for a change soon.  All they had in stock was the 4353 i hope it works as good or better than my stock 127.
 

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That was me logged in not ladyk.oppps
 

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Why would I use the Dayco 138-4332 rather than the 144-4353 for my '01 MXZ 700? Just curious as to what the advantage is. Thanx!
 

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Bill whats with the belt's??  138-4332 vs 144-4353. What would you on a 97 670 mxz
Also the machz belts  140-5157 vs 138-5120.  
Thanks in advance for any info
 

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138 belts are 1.38 wide and 144 are 1.44 inches wide. I tried the 144 and didn't pay attention. Funny things happen when the belt won't shift all the way back down in the primary.
 

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What happened with the 144 belt 800mxz. Was it no good for a mxz800?
 
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