View Full Version : ESR kits...
Hey folks,
Was just wondring if anyone here has or have run a ESR380 bigbore on the ATC or any 250 for that matter, and whats the clamined numbers on this? i have heard 80hp at the Crank..........Anyone confirm that?
3leggeddog
04-16-2006, 10:07 AM
i have not heard 80 horse for the esr 380,however PSI makes a 425 that is supposed to be the baddest.that one is claimed at 85 horse,and 70 # tourqe
ChrisD
04-16-2006, 11:19 AM
The PSI won't fit in the ATC frame without modification. The motor and head aret too tall.
deathman53
04-16-2006, 04:17 PM
you will have problems fitting a bigger bore than a 350 in a atc250r frame and most cylinder heads, the spark plug is in the center and straight up requiring you to cut and move the diagonal frame support. I have a lrd 310 pv and it has more power than most can use. I also have the correct pipe, igntion, carb and some other mods too.
i have not heard 80 horse for the esr 380,however PSI makes a 425 that is supposed to be the baddest.that one is claimed at 85 horse,and 70 # tourqe
Yea i have Riddin the PSI....425 in a TRX...Frickin Hauls pretty good, I was lookin into the ESR kits for a Supermoto Bike i was thinkin of building.......Thanks! :beer
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