Yamaha Discussions about Yamaha ATVs.

YFZ 450 cam mod problem

Old Feb 15, 2008 | 03:42 AM
  #11  
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Default YFZ 450 cam mod problem

<div class="FTQUOTE"><begin quote>Originally posted by: nkdurrett

it has a 170 main and a 50 pilot</end quote></div>

wow.....!

I have the cam mod done, and run a 45 pilot, stock needle on the 5th clip, and a 172 main (at sea level).

Why do you have such a large pilot??
 
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Old Feb 15, 2008 | 09:15 AM
  #12  
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Default YFZ 450 cam mod problem

because im pretty much running a drag pipe and a big intake
 
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Old Feb 15, 2008 | 09:23 AM
  #13  
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Default YFZ 450 cam mod problem

Thats still a huge pilot.
 
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Old Feb 15, 2008 | 02:29 PM
  #14  
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Default YFZ 450 cam mod problem

well it choked out with the 168 so i bumped it up and it ran fine i just want to find a way to wake up that top end by doin the cam mod
 
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Old Feb 16, 2008 | 08:43 PM
  #15  
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Default YFZ 450 cam mod problem

the pilot is the *50* you put in, the 170 is the main jet, i think he was talking about how big the pilot is.
 
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