Got my bike running! Hotcams and 420 kit

6 replies to this topic
  • bluebreadtruck

Posted April 04, 2009 - 06:05 PM


after somehow a cam keeper c clip fell down into my flywheel, and i found some bad scoring on my sleeve, i finally got my 12.5 420 big bore kit and hot cams in.!

First of all, now i see why everyone raves about the auto decomp! LOVE IT...just too easy now!

The setup seemes to give me a bunch more lowend power, and even a bit more top end! I cant be happier!

  • Birdy426

Posted April 04, 2009 - 08:51 PM


Glad to hear it...didn't we tell ya? What are you running for a pipe?

  • bluebreadtruck

Posted April 05, 2009 - 05:22 AM


thanks, im running a powerbomb headpipe and a fmf t-4 pipe, open airbox lid.

anyone know why my bike stutters while going over small, fast bumps?

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  • flyer05

Posted April 05, 2009 - 02:31 PM


I did the exact thing to my bike. That auto de-compression is great. Thing rips now.

  • Birdy426

Posted April 05, 2009 - 06:51 PM


Sounds like either a loose connector somewhere or maybe the float is set too low...

  • bluebreadtruck

Posted April 05, 2009 - 08:29 PM


thanks, for sure it feels carb related... ill check my float height

  • Birdy426

Posted April 05, 2009 - 09:28 PM


If it feels carb related, you might also check that the plate ont he front of the slide isn't starting to crack...the 400s with the first gen FCRs have a tendency to do that. Might also try disconnecting the throttle position sensor. It sounds as if it's vibration related...


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