FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
Other than a faulty gauge or bad technique, what could cause two opposite compression readings on an 2006 Yamaha F50 with one reading at around 60 and the other around 210? What should I look after first, second, and so on...
