Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 182Get this manual
Quality of the image is intentionally reduced!
CYLINDER HEAD
CAMSHAFT
0.0039 in(0.1 mm) 1.45411.4549 in(36.93536.955 mm)
Free Length "a" Tilt Limit "b"
1.491-1.569 in(37.85-39.85 mm) Less than 0.060 in(