Regal 3300 Owner's Manual page 249

PERFORMANCE DIAGNOSTIC CHART
PROBLEM
Excessive vibration
Poor performance
FUEL SYSTEM DIAGNOSTIC CHART
PROBLEM
Engine won't start or
not running right
https://www.boat-manuals.com/
Troubleshooting
POSSIBLE CAUSE
Material obstructing
propeller
Bent propeller shaft
Bent propeller blade
Propeller hub slipping Replace propeller
Engine trim incorrect
Uneven load
distribution
Engine problem
POSSIBLE CAUSE
Fuel tank vent
obstructed
Fuel line blocked
Lack of fuel
Water in fuel
Clogged fuel filter
No fuel reaching
engine
POSSIBLE FIX
Remove material by
reversing engine
Call Regal dealer
Repair/replace propeller
Adjust trim
Adjust boat load
Call Regal dealer
POSSIBLE FIX
Clean vent hose or/and
fitting. Check for kinks
Check for kinked hose
Clean filter. Check for
clogged anti-siphon
valve
Replace filter element
Replace filter element
Check fuel pump out-
put. Clean filters. Check
fuel tank gauge level.
8-3