yz 426 cam swap


6 replies to this topic
  • compton5

Posted January 14, 2010 - 04:14 PM

#1

i have 2001 yz 426 it has the stock exhaust cam heard you can swap with a 450 o get the auto decompression will a cam from a yfz450 quad work and are the chains the same

  • cowboyona426

Posted January 14, 2010 - 04:32 PM

#2

You don't want the one from the quad, it's the same as the WR and the timing is retarded 1 tooth.

  • grayracer513

Posted January 14, 2010 - 04:37 PM

#3

It's actually advanced, but you're right, you don't want that one. Your best bet these days is an Aftermarket auto decompression cam from Hot Cams or similar. Using an OEM Yamaha 450 cam, you'd want one from an '03-'05 YZ450, and use the special timing procedures in this thread:

http://www.thumperta...078#post3706078

http://www.thumperta...040#post5378040

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  • compton5

Posted January 14, 2010 - 04:41 PM

#4

a buddy has one from the bike and its free but if its a pain to install should i just buy the hot cam

  • grayracer513

Posted January 14, 2010 - 04:49 PM

#5

What is your buddy's bike?

  • compton5

Posted January 14, 2010 - 05:01 PM

#6

2005 yz 450

  • grayracer513

Posted January 14, 2010 - 08:30 PM

#7

You can use that one. Just read and understand the timing instructions carefully.





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