400ex Modifications
#1
400ex Modifications
I have a 2003 400ex with a pipe and jets on it right now and i will soon have outerwear and k&n. I was wondering if the 450r carb will perform just as good or better with a 440 big bore kit. The kit includes 89mm piston kit, big bore sleeve as well as the head and base gasket. (and probably 450r carb). WHat is the part number on servicehonda.com for the 450r carb, or what page is it on and how much does it cost? Would i be able to get close to a slip on piped raptor with the 440 kit, pipe and 450r carb? Also what cam should i go with, i was thinking about going with the 479 grind, i am pretty sure its web
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#4
400ex Modifications
if i get 11:1 piston do i have to run race gas? What brand big bore kit should i go with or should i just go with the www.rockymountainatv.com (wiseco)
#5
400ex Modifications
No race fuel is needed to run with the 11:1 piston. 89 or 93 octane will due just fine. If you go too www.trx450r.org in the for sale section there is a guy selling a 440 kit with a stage two cam for $250.
#6
400ex Modifications
so i dont have to register and everything can you tell him to email at honda_400ex13@hotmail.com about it
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