2005 400EX Carb ?'s

[journeyman]

Ok I ordered my HMF slipon and it came with a 152 main and a 42 pilot which is what hmf suggested for the 05....they also said 2 1/2 turns out on the fuel screw.All that was fine...however they said to put the clip on the needle 2nd from the bottom, well my 05 400ex only has 1 notch in the clip!!

Am I getting the full performance from this setup or do I need to buy another needle with more room for adjustments??And if so, any suggestions on which needle to go with and where to get it???

Thanks Alot

[cals400ex]

are you sure you only have 1 notch in the clip? i haven't seen an 05 carb or needle yet so i am not saying your wrong but there is no way in the world i can see them doing that. did you take the needle all the way out of the carb?

[journeyman]

i had the carb all the way off the bike because of the funking *** fuel screw on the 05's...and yes I took the needle all the way out and theres only 1 notch...kinda strange i think...any suggestions on what to do??

[400Rider022]

post a pic so we can see:chinese:

[crazyatvn]

LTZ & KFX have the one clip needle I would call HMF on this to see what they say.

[journeyman]

taking a pic sounds nice...but im not gonna pull the carb to take a pic of the needle...anyway it only has the one notch and nothin else...thats all...so im wondering if im getting full performace with using the stock needle or if I need a new needle....the quad runs awesome with the 152 main,42 pilot and 2 1/2 turns on the fuel screw....no bogging or sputtering at any throttle position...and definatly gained a good bit of power...just dont know if ima get more power with a new needle!!

[cals400ex]

the needle won't really affect the power output. it mainly affects fuel flow from 1/8 to 3/4 throttle. so after that, the mainjet takes over. what are the numbers on the stock needle?

[journeyman]

ive got it rote down out in the garage...but its 5am and im late for work so ill post it later

[sparky76]

time to revive this thread.......

i'm jetting a buddy's 2005 e and he's right-only on needle groove. needle has "C61A" imprinted on it. since stock is 148mj and 38pj, i'm thinking of a 155mj and 42pj for a stock motor with just a uni filter and hmf slip-on.

anyways, will the older ex model needle fit in or should I leave the needle alone?

thanks

[zrpilot]

Yes, I also have a '05 EX and I put the '99-'04 needle in. It is compatible. The stock clip location is third down from the top.

As of now I have not completed my jetting, but this is where I currently stand:

WB E-series Slip on with 12 discs
Pro-Design with their filter (like a UNI)
EHS racing lid (an Outerwears no lid setup)
Kiehin #42 pilot at about 2-2.5 turns out
162 main jet
'99-'04 needle on the fourth from the top.

This is probably a little rich, so I'll be doing further testing this weekend

[sparky76]

I think he's planning on leaving the airbox lid on. would the 42 pilot be too rich? thanks.

[zrpilot]

Even with the lid on, I'd still do the #42 pilot. It will help with cold starts!

[sparky76]

thanks