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deeppowder

# of chain links

8 posts in this topic

My son wants to run 13/50 sprockets on his 09 YZ450. What length chain should he get? Or should he just get a 120 link chain and cut it? What is the best way to shorten a chain?

 

Thanks.

 

Jeff

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You should be able to do 13/50 with the standard 114 link chain.  The axle should only need to move 3/8-1/2" to compensate.

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It's not until you start running really non standard ratios that you run in to chain length problems. On our supermoto/speed hill climber running a range from 15/38 to 15/40 you need fewer links. The huge 160 x 17 slick in the back allows very little clearance in the swing arm (on an 04 at least) so getting the length just right is critical to be able to go from the 38 up to the 40 without problems. I always buy a chain with a few more links than I need and cut to length with a chain rivet extractor.

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114 was the answer. Borrowed a chain rivet extractor tool. After racing a mountain bike for a long time, you would have thought I would know to use one of these chain tools. Did not realize bigger chains used the same type tool. I had always heard about "cutting" the chain. Would you use the same tool to add a link?

 

Thanks.

 

Jeff

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No.  To add a link, you would use two masters, whether they were riveted or clip type.  Riveted master links require another tool for installation.

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i've never had a chain breaker so i always just ground down the pin enough to punch it through. but chain breakers are pretty cheap now should prob just pick one up

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i've never had a chain breaker so i always just ground down the pin enough to punch it through. but chain breakers are pretty cheap now should prob just pick one up

A chain break is cleaner than throwing metal debris with a grinder on a probably new chain. Doesn't require electricity either, for the on the trail instances.

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