Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 122Get this manual
Specifications Camshaft Dimensions Intake "A" Exhaust "A" Intake "SExhaust "8 "
A 1.2 16 1.213 1.022 1.022 1.220 1.217 1.025 1.025 in(30.89 in(30.82 in (25.95 in (25.9530.99 mm)30.92 mm)26.05 mm)26.05 m)
Run-out Limit
CAMSHAFT
Camshaft Bearing Diameter "b"
0.0039 in(0.1 mm) 1.45411.4549 in(36.93536.955 mm)
Free Length "a" Tilt Limitb"