Hotcams 450 Decomp Cam In O2 426 Question?


5 replies to this topic
  • triton5150

Posted November 27, 2008 - 10:46 PM

#1

ok installed 450 hotcams exhaust cam with auto decomp in my 02 426. it starts a little easier but not like my 03 wr450. i still have to use the decomp lever procedure to start it. am i missing something? valves are dead on cant figure it out. my wr450 starts on tdc or just about anywhere thru the stroke effortlessly.

  • divebobber

Posted November 27, 2008 - 11:10 PM

#2

Maybe I'm missing something here Triton but I don't understand why you put a Hotcams 450 cam in your 426. I would understand putting a YAMAHA 450 exhaust cam in, but Hotcams makes an exhaust cam specifically for the 426. Again, why a 450 cam?

  • triton5150

Posted November 27, 2008 - 11:32 PM

#3

got it pretty reasonable so i gave it a shot.

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  • divebobber

Posted November 28, 2008 - 12:30 AM

#4

Hmm, ok. I put the Yamaha 450 cam in mine and never have to use the decompression lever. That's strange. I remember someone else posting a similar experience to yours on one of the longer threads about the 450 cam mod. I'll look around for it. The guy will probably have figured it out by now.

  • divebobber

Posted November 28, 2008 - 12:49 AM

#5

Maybe start here:

http://www.thumperta...979#post5314979

  • triton5150

Posted November 28, 2008 - 03:00 AM

#6

just got done starting to break the cam in. good thing i live in a rural area, sure was dark and cold. it pulls alot smoother without the surge of power. i think ill take it apart again and check it out also might put the cam tensioner out of my wr first though.





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