SERVICE MANUAL NUMBER 28
TROUBLESHOOTING
Poor Boat Performance And/Or Poor Maneuverability-Bow Too Low
Cause
Special Instructions
Improper drive unit trim angle.
Properly adjust drive unit trim angle.
Redistribute boat load to stern. If bow
overweight is caused by permanently
installed fuel tank(s), contact the
boat manufacturer.
Boat is bow heavy.
Check horsepower to weight ratio.
Contact the boat manufacturer.
Boat is underpowered.
Check for a hook in the boat bottom
by placing a straight edge, at least 6 ft.
(2m) long, under the bottom edge of
the transom. If a hook is found,
Permanent hook in boat bottom
(some boats are built with a slight
hook for correct boat performance).
contact the boat manufacturer.
Water test boat. Boat will perform
normally until hook develops at high
speed, then loss of rpm and speed
will occur. Contact boat manufacturer.
Power hook or weak boat bottom.
Poor Boat Performance And/Or Poor Maneuverability-Bow Too High
Cause
Special Instructions
Improper drive unit trim angle.
Properly adjust drive unit trim angle.
Redistribute boat load to bow. If stern
overweight is caused by permanently
installed fuel tank(s), contact the
boat manufacturer.
Boat is stern heavy.
Water test the boat using a lower pitch
propeller.
Propeller pitch too high.
Check for a rocker in the boat bottom
by placing a straight edge, at least 6 ft.
(2m) long, under bottom edge of the
transom. If a rocker is found, contact
the boat manufacturer.
Permanent rocker in boat bottom
(some boats are built with a slight
rocker for correct boat performance).
Water test boat. Boat will perform
normally until hook develops at high
speed, then loss of rpm and speed
will occur. Contact boat manufacturer.
Power hook or weak boat bottom.
INDEX
90-863160
MAY 2000
Page 1C-9
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | MerCruiser Sterndrives 90-863160 |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 3 out of 3)
Marine readers have rated Mercury MerCruiser Bravo Outdrives Sterndrives Marine Engines Service Manual Number 28 3.0 out of 3.0 based on 1 product reviews. I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit