1992 Polaris Trailboss 350l - ATVConnection.com ATV Enthusiast Community

szeiger · #1 (**permalink**) 09-02-2009, 08:30 PM

New guy here. Looking for engine clearance specs for boring 20 over. Took the jug in a month ago and they called tonight to ask me for the specs. Can anyone help? It would be extremely appreciated.

old polaris tech · #2 (**permalink**) 09-02-2009, 09:57 PM

Quote:

Originally Posted by szeiger

New guy here. Looking for engine clearance specs for boring 20 over. Took the jug in a month ago and they called tonight to ask me for the specs. Can anyone help? It would be extremely appreciated.

Hope you received my reply to your pm. OPT

mrtwostroke · #3 (**permalink**) 09-03-2009, 12:35 AM

clearance is .0023"-.0037"
I'd say .003" is the norm
ring end gap .015"