EasyManuals Logo

Mercury 25 Jet 4-Stroke User Manual

Mercury 25 Jet 4-Stroke
122 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #99 background image
TROUBLESHOOTING
93
Starter Motor will not Crank the Engine (Electric
Start Models)
POSSIBLE CAUSES
Blown fuse in the starting circuit. Refer to Maintenance
section.
Outboard is not shifted to neutral position.
Weak battery or battery connections are loose or corroded.
Ignition key switch failure.
Wiring or electrical connection faulty.
Starter motor or starter solenoid failure.
Impeller is stuck due to blockage.
Engine Will Not Start
POSSIBLE CAUSES
NOTE: If the outboard has run out of fuel, or has been in storage
for an extended period of time, additional attempts to start the
engine will be required to purge the fuel system of air.
Lanyard stop switch not in "RUN" position.
Incorrect starting procedure. Refer to Operation section.
Old or contaminated gasoline.
Engine flooded. Refer to Operation section.
Fuel is not reaching the engine.
Fuel tank is empty.
Fuel tank vent not open or restricted.
Fuel line is disconnected or kinked.
Primer bulb not squeezed.
Primer bulb check valve is faulty.
Fuel filter is obstructed. Refer to Maintenance section.
Fuel pump failure.
Fuel tank filter obstructed.
Open 20 Amp fuse. Refer to Maintenance section.
Ignition system component failure.
Wiring or electrical connection faulty.

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury 25 Jet 4-Stroke and is the answer not in the manual?

Mercury 25 Jet 4-Stroke Specifications

General IconGeneral
Horsepower25 HP
Engine Type4-Stroke
Full Throttle RPM Range5000-6000 RPM
Fuel Induction SystemElectronic Fuel Injection (EFI)
Shaft Length15" / 20"
Gear Ratio2.08:1
Recommended Fuel87 octane / up to 10% ethanol
StartingElectric
Weight71 kg / 157 lbs (Lightest Model Available)
SteeringTiller
WOT RPM5000-6000 RPM

Related product manuals