James Dean Jettings ??????

1 reply to this topic
  • Gordon

Posted July 26, 2000 - 03:12 PM


I recieved my special order needle today it has a Yamaha nub of 5JG-14916-EP. Is this correct. I am in so CA running fire trails 3000 to 7000 ft, and at Glamis (sea level). I'm zy timed, power core iv2, (waiting for back ordered power bomb header). I beleive I'm running 185 main and 45 pilot I am running a zy needle cant remember which one. My point is my bike runs excellent and starts basicly on the first kick. I have never even looked at the spark plug let alone fouled it. So where would you recommend I start with the jets and clip position. Bike has a little over 1000 miles on it. Thanks for your help.

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  • James_Dean

Posted July 26, 2000 - 05:23 PM


Yes, the part number is correct. Needle code - EKP
The best position for most configurations seems to be clip #3 (3rd from top) and about a #170 main jet( *** revise that to #165 based on latest feedback) depending mostly on temp and altitude. The clip positions I have heard of being used with the EKR range from #2 to #4 and I suspect the same for EKP.
James Dean

[This message has been edited by James Dean (edited 07-27-2000).]

[This message has been edited by James Dean (edited 07-31-2000).]


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