anyone else have a Lectron 36mm carb on their 400ex?
#1
I just put on my Lectron 36mm carb from TC Racing. It definitely goes a little better. I took the whole airbox off and it screems now( can finally beat some of the modded Banshees now) The only problem is how the carb fits. You have to install it so it's at the 1'oclock position so the throttle cable will fit in the stock groove under the gas tank. And the air filter tube doesn't fit on the carb really good.(doesn't go back as far as i'd like) Otherwise it's a good carb, but i wish i would have tried the Keihen 39mm! Anyone try the 39mm? The best thing you can do to the 400ex is a higher commpression piston(big bore or stock bore) and a cam. I put a Ross 11:1 lightened piston with a XR400 head gasket and a WebCam 450/451 grind cam and it turned my bike into a rocket.
oi
oi
#2
I have a 36mm lectron on my 400 and it works awesome. If you follow the directions that TC racing gives you, it will work fine. Did you take off your airbox, or just your airbox lid? It says to make a bracket for the airbox, the bracket makes it push in closer to the engine about an inch. Also you have to remove that big white tube from the airbox. The only problem I have had with mine is adjusting the idle, but that is now under control. As for a 39mm, TC racing said it is not as good as a 36mm, the 36mm hits much much harder.
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