K Kyleblaster New Member May 28, 2009 42 0 0 Delaware Nov 29, 2009 #1 I blew my top end. There is a hole in the piston on the exhaust port side what would cause that??
1252smoke New Member Sep 27, 2009 59 0 0 west virginia Nov 29, 2009 #2 Usually running excessively lean . What dose the rest of the piston look like ? Post some pics. of it.
Usually running excessively lean . What dose the rest of the piston look like ? Post some pics. of it.
bigbadblaster200 New Member Jan 21, 2009 111 0 0 west park ny Nov 29, 2009 #3 u prolly ran it to lean or ran it with out any or little oil