Mercury 150 User Manual

TROUBLESHOOTING
50
• Damaged or improper size propeller.
• Incorrect engine timing, adjustments, or setup.
• Boat overloaded or load improperly distributed.
• Excessive water in bilge.
• Boat bottom is dirty or damaged.
Battery Will Not Hold Charge
POSSIBLE CAUSES
• Battery connections are loose or corroded.
• Low electrolyte level in battery.
• Worn out or inefficient battery.
• Excessive use of electrical accessories.
• Defective rectifier, alternator, or voltage regulator.
• Open circuit in the alternator output wire (fused link).

Mercury 150 Specifications

General

Fuel Induction System	Electronic Fuel Injection (EFI)
Horsepower	150 hp
Steering	Hydraulic
Shaft Length	20" / 25"
Starting	Electric
Weight	455 lbs (20"), 462 lbs (25")