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trx400exrider14
06-09-2011, 07:11 PM
What are all the things i need for a 440 big bore and a stage 2 hotcam? sleeving? all the little details
CJM
06-09-2011, 07:52 PM
Sleeve for the cylinder, heavy duty head studs, larger oil tank, spal puller fan, hotcam stage 2 or 3. Might as well change the timing chain to a CRF450 chain and make sure the guides are good too.

Thats pretty much it. You need cooling, its gonna be HOT.
ish416
06-09-2011, 08:08 PM
May as well get an 04-05 450R carb while your at it.