Need Some Torque Specifications -`77 850 Thunderbolt

Bradmph

Cadet
Joined
Aug 30, 2009
Messages
24
I am in need of tightening torque specifications for crankshaft replacement on a `77 Mercury 850 Thunderbolt. I only need the torque specs for the crankshaft replacement and parts connected to the crankshaft that require torque settings. See image below

Diagram_4979A.jpg
 

usskydvr

Chief Petty Officer
Joined
May 27, 2009
Messages
494
Re: Need Some Torque Specifications -`77 850 Thunderbolt

Connecting rod nuts (27) 180 in/lbs
Centermain bearing clamping screw (20) 150 in/lbs.
Centermain bearing Reed stop clamping screw (8) 25 in/lb
Flywheel to crankshaft 100 ft/lbs
Crankcase to cylinder block 200 in/lbs
 
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