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Working on a 30 hp mercury bigfoot with low compression in the #2 cylinder. #1 reads 110, #2 reads 65 and #3 reads 105. Any Ideas on the low one? I am thinking it could possibly be a head gasket or valve adjustment. I am going to borescope the cylinder wall tonight and look for scoring. Any...
Just bought a used 2003 bigfoot 25 hp. I took it out and ran fine for about 10 minutes and then rolled back to idle with no alarm waited a few minutes powered up and ran fine again for a while and rolled back. the water stream doesn't seem as strong as it was at first. Does the bigfoot have a...
