Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 8Get this manual
SPECIFICATIONS
Intake "A" ExhaustA" Intake "8Exhaust "B"
1.216 1.216 1.022 1.022 -
1.220 in1.220 in1.025 in1.025 in
(30.89 (30.89 (25.95 (25.95
- 30.9930.9926.0526.05
mm) mm) mm) mm)
Run-out Limit Camshaft Bearing Diameter "b"
CAMSHAFT
0.0039 in(0.1 mm) 1.45411.4549 in(36.93536.955 mm)
Free Length "a" Tilt Limitb"
1.491-1 .569 in(37.85-39.85 mm) Less than 0.060 in(1.7 mm)