Posted By: Bass Boat Wired
Need Mercury cylinder head torque??? - 04/03/16 10:39 PM
2010 Mercury Pro XS 250, I need the head torque numbers. I pulled head to inspect cylinder and pistons. Thanks!
Posted By: wkh2006
Re: Need Mercury cylinder head torque??? - 04/04/16 02:26 AM
First off mercury recommends using new head bolts. Because these head bolts are torque and turn bolts and stretch. Proper torque is 20 ft. Lbs and then go back through sequence and turn an additional 90 degrees.