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'.
Just purchased a 2003 Mirrocraft Holiday 17' with 2005 Merc 115 4-stroke EFI. Having problems with cavitation unless motor is trimmed all the way down (so far that it plows the bow into the water). Motor is installed 1 bolt-hole up from all the way down which is what Mirrocraft recommends...