426 horsepower

2 replies to this topic
  • jaradt2006

Posted May 15, 2006 - 12:47 PM


i have a 2002 yz426 i have put a new powercore4 muffler and powerbomb header on it and stage 1 fmf jet kit i was wondering if anyone could give me a round about estiment of the horsepower im working with right now i couldnt find nothing to tell me how much it had when it was stock i was just wondering any help would be appreciated

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Posted May 15, 2006 - 12:50 PM


It depends on SO many variables, but I'd say around 46 horsepower, maybe a bit more.

  • jaradt2006

Posted May 15, 2006 - 01:07 PM


alright thank ya i was just kinda wondering ya know and what else if it was you would you do to the bike to give it more power

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