View Full Version : Need help - ATC250R...20 over....what compression?
CodyRx7
04-08-2005, 08:00 PM
I have a 250R in the shop now, and the tech is just guessing at low compression. What should my reading be with a 20 over Wiseco piston?
hrc85250r
04-09-2005, 01:37 AM
ive been told that according to honda specs stock compression is somewhere in the ballparks of 190 psi, but that is just what ive been told... call up a honda dealership and ask them, they should know...
RideRed250R
04-09-2005, 01:58 AM
i second that 190-195 depending on piston i have been told that the super-lite raises the comp alittle, mine with just a high performance piston runs 190
adam
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