03 400ex
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I owned a 2001 400ex I could run with the 450r go get a 15 tooth front sprocket and can't remember the rear it was the smallest size eBay has. A hmf comp series exhaust uni air filter and to really wake the Beast up go with the stage 2 hot cam no engine work needed other than stage 2 jet kit you will see a huge difference oh and stage 2 Rev box. Hope this helps you
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It started leaking oil today. Right where the head gasket should be, on the left side.. might be a warped head from getting to hot being a 416 and all. Or could it be something different.. the guy I bought it from said he just put all brand new parts in it.. guess I'll find out , because at the very least I will have to change the head gasket.. hell it might not even be a 416.. any advice on this situation? Thanks for all the help