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Need Mercury cylinder head torque??? #11519454 04/03/16 10:39 PM
Joined: Jan 2008
Posts: 584
Bass Boat Wired Offline OP
Pro Angler
OP Offline
Pro Angler
Joined: Jan 2008
Posts: 584
2010 Mercury Pro XS 250, I need the head torque numbers. I pulled head to inspect cylinder and pistons. Thanks!


"Get Wired for Success"
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Re: Need Mercury cylinder head torque??? [Re: Bass Boat Wired] #11519890 04/04/16 02:26 AM
Joined: Apr 2010
Posts: 223
wkh2006 Offline
Outdoorsman
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Joined: Apr 2010
Posts: 223
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.

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