400ex carb on 300ex

[JRN2786]

what all do i need to get it to work? and whats the deal with guys using the 350x boot? thanks

[hucknall007]

i saw in another post that they said you dont need anything else but that the intake boot is very tight and they suggested heating it up with a heat gun. thats all i know. never done it myself, just read it.

[JohnT_98300EX]

If you do a search here for "400ex carb on 300ex" you will come up with all you need to get started.