ex 440 kit

[400exrider2005]

i am wondering if putting a 440 kit in my ex is going to make it unreliable. also what is the best kit to get?

[crazyatvn]

Any time you vary from stock you will lose reliablity, But you have to watch 440's I heard that the stock honda rod will end up beaking eventually. My two cents worth.

[frogburner]

They are reliable IF you do not cut corners trying to save a couple bucks... Get a heavy duty rod, heavy duty head studs or the longer exhaust one, those are the must haves pretty much... I am building a pretty big one myself, I should have my bottom end and the jug back 2morrow, then C & D is working on the head, and it may be back this week.... then I will will take my time and build her on up.. DONT EVER GET IN A HURRY PUTTING A MOTOR BACK TOGETHER EITHER... All you do is get excited and forget,, then stuff breaks.. ...

[400exrider2005]

alright thanks, what about a 416 or 426? are they going to make enough differnec to spend the money. and how reliable are they?

[cals400ex]

a 416 with a nice cam is WELL worth the cash. the cam and piston was my best performance per dollar mod that i did to my bike yet.

[Teufel]

I ve never broke a rod with any of mine , however the hi comp pistons can cause a lot of head gasket problems :ermm: