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rebelrider

jetting question yz426f 2002

7 posts in this topic

anybody know the proper jetting for this model?

stock

and

aftermarket exhaust (brand unknown)

need quick assistance

thanks

friend wants to know if there is a raceing setting for jetting too, i told him i think thats only with aftermarket exhaust.......

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cool, still need to check his to see what his is set at.....

do ya'lls head pipes glow red while at a stop, then cool off once moving

he said that when wide open it stops glowing, but out back when he first starts it up even at idle, his head pipe glows, ive lit my cigerette off it without even touching the darn thing...... any suggestions

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My jetting is:

pilot 42 (stock)

needle (stock)

main jet 160

fuel screw 1.75 turns out

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i have a hmf performance slip on on my 02 and tried every clip position and jet size . it still rides like a 2-stroke

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