View Full Version : engine mods for a 300ex with out the big bore
what's the best mod with out going with the big bore for a 300?
Cam and high comp piston.
sweet300ex
02-19-2004, 01:28 PM
Originally posted by jtej
Cam and high comp piston.
and a nice exhuast and port and polish
eastcnty300
02-28-2004, 06:51 PM
what comp. ratios do you guys recomend?
bigfoot300ex
02-28-2004, 08:26 PM
11:1 if you still wanna use pump gas
dirtmomma
02-28-2004, 08:30 PM
I went w/ a Wiseco 75.5mm high comp piston,FMF Megamax full system & that was it for now & it is better BUT if I was you I would get the cam & springs, you could also go w/ a bigger carb :) Good Luck
beak7707
02-28-2004, 10:34 PM
You have to start with an after market exhaust. Then I would go with a 11:1 piston, and pick a cam for you style of riding. If you put in a cam, it would be wise to put hardened rockers and heavy duty valve springs in. I made all these mods to my 300ex and i was please, its still a 300 so dont expect the world. But i must admit it made it much more enjoyable to ride.
rollie
02-29-2004, 10:07 AM
DRI fatboy 4!!!
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