2005 450r carb

[odog]

what size is the carb on a 05 450r and will it be a big step up on a 400ex

[WilRideAnything]

I'm pretty sure it's 42MM. I've heard it's a good mod for a 400EX.

[rt20ps]

There is a ton of info in the 400EX section on this topic.

[fox945]

Yes, it is a 42mm Keihin