2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 319Get this manual
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CYLINDER HEAD
4 Stroke 10W30 Outboard Oil
a -Chain tensioner Camshaft Cap Screw Torque 1st Torque 2nd Torque Nm (70 lb-in 17 Nm (150 lb-in
Timing Chain Tensioner Screw