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Another motor overhaul conundrum

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Well, I need help again guys. Does anyone know the torque specs for the crankshaft bearing cover plates on my 12 hp Briggs (300421)? I'm not referring to the cast iron side plates on the exterior that cover the syncro balancers, but the aluminum plates underneath that retain the bearings. I can't find the specs for those in either my Haynes book, or in the Briggs manual referenced in the link above. Thanks

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