Wiseco crank vs OEM in YZ450


5 replies to this topic
  • Goosedog

Posted June 02, 2009 - 02:54 AM

#1

Redoing the bottom-end on my '05 YZ450 and concidering the Wiseco crank kit instead of going back to OEM. They're forged instead of cast and supposedly lighter and of tighter tolerances. Kit comes with crank bearings too, hopefully not made in China. Anyone have any experience with this kit? Thanks

  • Jibba

Posted June 02, 2009 - 03:20 AM

#2

Hey, I am getting mine replaced on my YZ450F 2003 and was told that you can't go passed OEM. Even my mechanic said so. He doesn't go near after markets.

  • Goosedog

Posted June 02, 2009 - 03:26 AM

#3

Yeah I've heard that too but my bike's already the posterchild for aftermarket so what's one more addition. :crazy:

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  • mitchicle

Posted June 02, 2009 - 04:59 AM

#4

This might answer your question.
http://www.thumperta...751#post8021751

  • grayracer513

Posted June 02, 2009 - 05:55 AM

#5

"Forged" doesn't mean they're better unless they actually are, and they are made in China. Be sure the one you buy isn't subject to the recent recall:

http://www.thumperta...ad.php?t=753865

I won't use Chinese engine components unless there's no other approach to take. I might use a Hot Rods crank, but I would much rather just go with Yamaha.

  • Goosedog

Posted June 02, 2009 - 08:29 AM

#6

Thanks to all and I even just spoke with Wisco people and they admit some parts of the kit are made in China, nothing real important though...just the connecting rod. :crazy:

Not in my bike they won't. :eek:





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