Page 201 - REPOWER REFERENCE GUIDE (2020)

Exhaust System Installation Requirements—Sterndrive Applications

• Provide a drain to the drain muffler.

a

b
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Typical vertical water lift muffler
a - 38.1 cm (15 in.) minimum exhaust elbow height with maximum load
b - Clear hose for measuring waterline

Typical horizontal water lift muffler
a - 38.1 cm (15 in.) minimum exhaust
elbow height with maximum load
b - Clear hose for measuring waterline
a

b
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• Install risers or lower the muffler if necessary to meet minimum exhaust elbow height.
• The waterline inside the muffler is the beginning measurement point to determine the correct elbow height.

90-8M0149179 eng NOVEMBER 2018 © 2019 Mercury Marine Page 7C-9