a - 25.4–66.04 cm (10–26 in.)
after elbow
b - Shutter assembly
c - Flow
d - Flapper down position
e - Elbow
f - Outlet
g - Hose
h - Minimum amount shutter
assembly inserted into
hose 50.8 mm (2 in.)
Measuring Exhaust Elbow Height—TowSport
General Information
The height of the exhaust elbows must be within the dimensions specified to prevent water intrusion problems. Exhaust elbow
risers must be installed, if needed, to obtain the proper exhaust elbow height, and exhaust angle. Risers are limited to
152.4 mm (6 in.). Measurement must be taken with the boat in the water. It is important that the boat be loaded as outlined to
simulate the maximum loading conditions likely to be encountered in normal operation.
IMPORTANT: Load distribution recommendations are the responsibility of the boat manufacturer. Any load distribution
conditions that will affect the exhaust system must be clearly communicated to the operator in the owner's manual. For
example, the number of people that can be located on the swim platform simultaneously should be included in the manual, if
this could pose a problem.
Measurements under all loading conditions must be within the following specifications.
Minimum Exhaust Elbow Height
Model Specification
TowSport 6.2 in‑line models 33 cm (13 in.)
TowSport 6.2 V‑drive models 33 cm (13 in.)
Minimum Exhaust Hose Slope
Model Specification
TowSport 6.2
Within 406.4 mm (16 in.) of engine
10°
If the exhaust elbow height or exhaust angle is insufficient, modify the exhaust system or install the appropriate exhaust riser.
Refer to the appropriate Mercury Precision Parts and Accessory Guide for part numbers.
The maximum exhaust riser height is specified in the table below.
Riser Options
Model Low Medium High
TowSport 6.2 51 mm (2 in.) 102 mm (4 in.) 152 mm (6 in.)
Installation
Page 2B-36 © 2016 Mercury Marine 90-8M0099748 eng DECEMBER 2015
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