1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 115Get this manual
Specifications Cylinder Head Warp Limit
0.004 in(0.1 mm)
Lines indicate
straight edge measurement
Special Tools
Description Flywheel Puller Flywheel Holder Valve Guide Remover Valve Guide Installer Bushing Valve Guide Reamer Part NoFT8948-1 91-83163M 91-809495A 91-809496A 91-809497 1