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'.
Engine Model: 1995 Mercury 135XL
Problem: Low oil warning - Engine will run fine for about 5-10 min. then the warning starts. Engine will only idle because control unit cuts fire to #4  cylinders. Have repeated this whether on the lake or in the driveway with water muffs on several times...
I have a 1995 Mercury 135XL. The oil warning sounded over the weekend (beep-beep-beep,...). Not overheating; pee-hole good, water pressure gauge good. Had the boat on plane when horn sounded and the boat slowed to idle on its own. Shut the engine down for a few minutes. Started back up all ok...
