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Junior Member
I am wondering what would be the best jets to start with when tuning my Bike. It has an 11:1 440 kit, stock carb, Uni filter, pro circuit t-4 exhaust (Wide Open), aftermarket rev box, race clutch, 16 tooth front sprocket and 38 tooth rear (more speed). I haven't even run it yet for fear of a lean condition. A little advice would come in handy.
Member
what size/kind are you running now?
if you can't get it dirty it ain't worth hav'in 2002 400ex black maire plastic 11 to 1 wisco ported & polished hot cam stage 2 choke removed full HMF exhaust 42 pilot and 190 main no toil air filter when dry and dusty- K&N with outerware when it is wet g-force rear axle 20 in razr1 rear 22 in razr2 in front modquad billet shifter moose brake-blockoff and front brake res cover powermadd handguards 450r front shocks pro-armor front bumper AC full skid Quad boss rear swing skid ceet gripper seat cover
Junior Member
What ever came stock in the 2002 400ex.
Senior Member
Im running a 170 main with 42 pilot, clip on needle 2nd notch from the bottom
2000 400ex
11:1 440
WB R4 w/ fmf powerbomb
450R front shocks
houser wrist wrester
steering stabilizer
tinner scoops
x factor nerfs
magura hydraulic clutch
pingry oil tank
Senior Member
Im running a 170 main with 42 pilot, clip on needle 2nd notch from the bottom
2000 400ex
11:1 440
WB R4 w/ fmf powerbomb
450R front shocks
houser wrist wrester
steering stabilizer
tinner scoops
x factor nerfs
magura hydraulic clutch
pingry oil tank
Junior Member
Cool thanks, I probably will start with that. Have you had any problems with your 440 kit? Any tips when breaking it in?
Senior Member
mine was already installed when I bought it, no I havent had any problems with it, it has been installed for about 3 years now.
2000 400ex
11:1 440
WB R4 w/ fmf powerbomb
450R front shocks
houser wrist wrester
steering stabilizer
tinner scoops
x factor nerfs
magura hydraulic clutch
pingry oil tank
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