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Jet Kit question

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Ok the wifey tried to be nice and got me a FMF stage 2 jet kit..Is it worth the time to install??

02 400s with FCR carb and full fmf titanium head pipe and muffler. 500-1500 elevation...

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What is your current jetting? How do you like it? What is in the Kit?

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The current jetting is what came in the bike with the fcr

carb and stock exhaust. I added the mid pipe and muff and didnt seem to have any problems, but I just installed the powerbomb head pipe and have not got to romp on it yet.

In the kit:

Main 128, 132, 136, 140, 144, Fuel Needle, E-clip, Adj Washer, Main jet adapter I read theat the kit is made by Dynojet for FMF

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thats a dynojet kit for the fcr.you do have a fcr,but thats not the kit you want.you want a JD kit.

the F taper needle in the dynojet kit doesnt work.

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I shall call the TT store and get the JD ordered asap...Any reason to keep this kit or just return it and get the $35 back?

Thanks Burned

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You have no idea how good she is!!...21/18 black excel/silver talons, stealth sprocket, and braking oversize kit, fmf jet kit and michelin ms12s ....I think I shall keep her around for another week... :cry:

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thats a dynojet kit for the fcr.you do have a fcr,but thats not the kit you want.you want a JD kit.

the F taper needle in the dynojet kit doesnt work.

Ok the kit is here and I am ready to destroy a perfectly good carb!

3rd clip from the top, 165 jet and 2 turns out??? Or do you rec anything better?

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What advantage would that be? I took out a 165 and OCD-VR needle it ran pretty good before, just back fired on deceleration and had a mild dead spot on accelertion. Remember I am a jetting tard...My other bike has fuel injection so plug the lap top into the port on the back of the bikes computer and adjust with the push of a button....This needle/jet thing is unfamiliar territory.

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the 165 main jet is to rich.the 160 will make more power.

the dvr needle is really lean off idle.

did the bike idle ok previously?

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Let me go kick this thing around out in the dirt for a few minutes, I shall return in 15min with the verdict...

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Sounds like you may need to adjust the pilot circuit also. What Pilot air jet are you running and what pilot jet? How many turns out is the fuel screw?

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Pilot circuit....sure!?!

Pilot Air jet...The green one!!?!

Pilot Jet....um...False!?!!

Fuel Screw, Now I can answer that one...2 turns out

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Pilot circuit....sure!?!

Pilot Air jet...The green one!!?!

Pilot Jet....um...False!?!!

Fuel Screw, Now I can answer that one...2 turns out

Ok Ok jetting tard I get the point.... :cry:

What did the carb come out of originally?

Try turning the fuel screw in 1/4 or 1/2 turn and see if the idle goes up and response improves.

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