1998+ Mercury Mariner 25HP Bigfoot Service Manual, Page 223Get this manual
CYLINDER BLOCKCRANKCASE
Specifications
CYLINDER BLOCK STROKE Type Displacement Number of Cylinders Length Diameter Standard Oversize-0.010 in(0.25 mm) Oversize-0.020 in(0.50 mm) TaperOut of Round Maximum Bore Type Piston Type O.Dat Skirt Standard Oversize-0.010 in(0.25mm) Oversize-0.020 in(0.50mm) Piston to Cylinder Clearance Ring End Gap (Installed) Top Middle Bottom (Oil Ring) Side Clearance: Top Middle Wear Limit Bore Wear Limit Compression Ratio Cylinder Compression (Electric Models Only, Cold Engine W.O.T Piston Pin Diameter Oil Clearance (Big End) Small End Inside Diameter Main Bearing Clearance Crankshaft Run-out NOTE: