Mercury 6 SERIES User Manual

GEAR HOUSING
90-857138R1 MAY 2000 Page 6-21
Propeller Shaft
1. Replace propeller shaft if any of the following conditions exist:
a. Splines are twisted or worn.
b. Oil seal surfaces are deeply grooved; allowing water to enter gear housing.
c. Sliding clutch slot worn.
d. Propeller nut threads stripped, damaged or excessively worn.
a
b
a
d
c
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2. Check propeller shaft for straightness. Place shaft on either balance wheels or “V”
blocks and rotate shaft while observing spline area for bend (wobble). Replace shaft (if
bent).
Sliding Clutch
1. Replace sliding clutch if jaws are rounded or chipped or splines are damaged or worn.
a
b
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a - Jaws
b - Splines
Cam Follower
1. Replace cam follower if end of follower shows signs of wear.
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Water Pump Components
1. Replace water pump components if worn, grooved or if components show evidence of
over heat or other damage.

Mercury 6 SERIES Specifications

General

Brand	Mercury
Model	6 SERIES
Category	Outboard Motor
Language	English