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Merc OEM service manual number 3 page 5A-1 or page 588 at boat info has the elbow at 25 Ft. Lbs. while the exhaust manifold is 23 Ft. Lbs. which needs to be re-torqued after engine has been brought up to operating temperature. Service manual # 2 doesn't show the specs for the elbow assembly but it's always been in the 25 Ft Lbs range for the elbow.
Sorry I'd link it but the hosts of iboats prefers not have that site linked all over their forum any longer mainly due to feared legal reasons.
Thanks, I will take the 25 Ft Lbs.
The threads inside the manifold werden replaced by metric ones because the threads were rusted.Unfortunately I lost the old screws. Do you know the screw size so that I can obtain new screws for the new manifold?
