what's a good carb for 400 2 stroke

[mellowdog]

what's a good carb for 400 2 stroke about 38mm to replace mikuni T M S,ATK 406 doesn't run good in till about 1/4 to 3/8 throttle it's really boggy then finally takes off any advice would be appreciated,
Thanks Mellowdog

[CR480R]

a 38 is prime... it just needs some tuning

[Paulie B]

38 or 39mm. I run a Keihin 38mm on my 400.

[flotek]

38mm keihin airstryker

[fastR of puppets]

if you want torque get a 38mm makuni tmx if you want mid to top get a 38mm airstryker

[flotek]

Originally Posted by fastR of puppets

if you want torque get a 38mm makuni tmx if you want mid to top get a 38mm airstryker

thats rather odd ,explain to me how theres a increase i n torque by using the mikuni over the keihin of the same size ? specificly what about the design increases the torque over the airstryker?

[fastR of puppets]

all i know is taht the tmx is designed for torque, and ive used both the airstryker and a tmx and had better luck with the tmx, dont ask me for technical stuff im just talking from my experience

[FTZPoweredBlaster]

Keihn 38 airstryker or Keihin 39 PWK should work great.

[fastR of puppets]

and flotek, just look at the modern dirtbikes, almost all of them use a tmx, and tons of sleds use them too, why dont you like them

[flotek]

Originally Posted by fastR of puppets

and flotek, just look at the modern dirtbikes, almost all of them use a tmx, and tons of sleds use them too, why dont you like them

the pwk lineup is easier to jet and offers engoug h adjustability for a wide variety of uses i dont hink the tmx is really a bad carb... just not one of my personal favorites ,theres actually too muc h adjustability and yo u can be off ...yes alot of bikes use the m but alot of big name compnaies use things i n stock form that really suck too and ultimatly get replaced .most poeple know how to jet and give adcise on keihins
i liek the chrome plated d slide design for response and the airfoil leadins toward the needle... lots of good ideas on the keihins