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View Full Version : 06 YFZ450 Jetting question.. HELP !



clean250R4-sale
01-18-2006, 04:00 PM
I have an 06 YFZ450. I need different jets other than what's out there . I have a 30 year Yamaha 5 star mechanic that does my motor work. He says the 04-05 Jets wont fit, and the Dirt bike jets and needle wont work either. He said that it is different. is this true ? I'm thinking that the Dirt bike needle and jets for it WILL work, myself. Any help with this would be great....

jetting problem is:

modes:

Hot cams
Dirt bike cam timing
Uni filter
No air box lid
N-motion full race pipe
now has a 170. M & a 52.pilot

The jetting is off, you cant adjust the needle. And if your not moving the pipe header will glow ! :(

any help would be great..
Thanks

K_Fulk
01-18-2006, 06:16 PM
There the same.