Yamaha Discussions about Yamaha ATVs.

Last Time, I promise.

Old Jun 9, 2005 | 04:07 AM
  #1  
spudley's Avatar
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Range Rover
Joined: May 2005
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Default Last Time, I promise.

I picked up my pipe, finally,and put her on. Ct recommends 145 150 main jets for lid on applications and 170 175 for lid off applications. I have the powerlid so I am kinda in between . I went with 150 155 with thier titanium needle in the#4 position and it seems to be running fairly well. What has me wondering is a lot of you guys are using the larger jets, should I try a larger jet? Do I stand to gain a whole bunch more power? I am thinking about trying a 160 165 and moving the needle up to the #2 position, any thoughts? I would just like to make sure I am getting the most out of this. FYI I did notice quite a bit of gain already and this pipe sounds great!!
 
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Old Jun 9, 2005 | 08:05 AM
  #2  
Ozark38's Avatar
Pro Rider
Joined: May 2003
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Default Last Time, I promise.

Yes, there is more power to be had by using bigger jets. I would keep going bigger on the mains till you no longer feel that "flat spot" on the upper Rs. You'll know it when you get there.............[img]i/expressions/face-icon-small-wink.gif[/img]
 
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