Mercury MerCruiser Product Applications Manual page 73

Exhaust System
Exhaust hoses must be properly installed on exhaust elbow outlets. Discharge water from
the exhaust elbow must flow around the entire inside diameter of hose to avoid causing
hot spots that could burn through the hose. Exhaust hoses must be installed at the angle
shown following.
Page 6A-4
Correct
a - Maximum misalignment +/‑ 5
degrees
b - Exhaust outlet centerline (14° vs.
crankshaft centerline)
c - Exhaust hose centerline
e
8.1 exhaust connection
a - Maximum misalignment +/‑ 5
degrees
b - Exhaust outlet centerline (14
degrees vs. crankshaft centerline)
c - Exhaust hose centerline
18576
a
d
e
d - Angle vs. horizontal
e - Horizontal (level surface)
d
d - See chart for angle vs. horizontal
e - Horizontal (level surface)
18577
Incorrect
c
b
18578
a
c
b
13362
90-863758060 AUGUST 2006