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Discussion Starter #1
i have a 03 raptor 660 with
stage 2 cam
11:1 compression std bore piston
trinity racing exhaust
air-box eliminator kit
ported head.....

any jetting help?????

elevation 134ft.
need help
 

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What are you using for jetting, Mikuni or Dynojet? Any certain jet kit?

I would recomend getting a GYTR or DynoJet kit, it comes with needles that have a sharper taper. You can't get the needles seperate so later on down the road if you end up buying the kit you will have 2 sets of main jets.
 

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i have a 03 raptor 660 with
stage 2 cam
11:1 compression std bore piston
trinity racing exhaust
air-box eliminator kit
ported head.....

any jetting help?????

elevation 134ft.
need help

#25 pilots.........
GYTR needles or equivalent half way up...........
170- 175 mains, mikuni style............
 

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Then try the 148-150 mains, 25 pilots, DJ needles in the middle. The mains might be a little small but thats as big as you got so try that.
 
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