stock jetting

1 reply to this topic
  • thumpyz

Posted February 25, 2008 - 10:57 AM


I was just curious if anybody happens to know what the bone stock jetting from the factory on an 05 yz450 would be? Does yamaha ship all bikes out with the same jets or do they tailor to different markets? anyway, just trying to get my stallion straightened out. Thanks.

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  • grayracer513

Posted February 25, 2008 - 11:18 AM


Main Jet: 165
Pilot: 45
Needle/position: NFLR/4
Leak Jet: 40
Pilot air jet: 100
Starter Jet: 72
Float height: 8mm

(section 2 of the manual)


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