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If you do get 12V at the redpurple wire turn the key to on and see if you get 12V on the purple if you have power on the redpurple but no power on the purple then you have a bad keyswitch. The voltage should be around 124-8 if the battery is good.
Red to the and Black to -.
Boat wont start no power. The three things that you should check if your boat wont start. Most are an easy fix and 98 of the time these will be the cause. Boat will not start.
Have power to radio and can jump startes. But gauges wont come on and wont start from key. If you have power on the A terminal turn the key to START and see if you have power on the S terminal.
That terminal feeds back through the harness to energize the starter solenoid. If you have power at the S terminal but not on the solenoid there is a harness issue or neutral start switch problem. Engine Cranks But Wont Start.
If your boat has an emergency shutoff switch check that the cap is firmly in place or the engine might not start. If you experience trouble starting the engine engine hesitation loss of power or decreased acceleration you may have failing spark plugs. After gassing up the boat started fine we started out of the marina and as I nufged the throttle slightly it just dies.
The instrument pannel is showing no power and the start button doesnt respond. We get a tow back to the dock. Thinking it might be the battery I haul the battery out and take it to a garage for a re-charge.
Take a meter to the electric plug that is on the fuel pump. If there is 12 volts at that plug then the fuel pump is suspect. No power to the pump plug would suggest other problems.
Others have indicated that the ECM will not initialize spark at the plugs when the fuel pump doesnt come on. Start at the cranking battery to see what voltage it has for output. Red to the and Black to -.
The voltage should be around 124-8 if the battery is good. If no power there the jumper the neutral safety switch on the trans. If that doesnt fix it the it gets a little harder as you will have to trace the wiring from the batteries to the ignition switch.
In any case I would get that perko switch replaced first if it is malfunctioning. A blocked engine exhaust is another common reason a boat wont start especially if youve recently brought the boat out of storage. During winter storage rodents sometimes build nests in boat engine exhaust outlets which blocks correct air flow and prevents the engine from starting.
Start by disconnecting the cannon plug and inspecting it they can get corrosion in them. If you do get 12V at the redpurple wire turn the key to on and see if you get 12V on the purple if you have power on the redpurple but no power on the purple then you have a bad keyswitch. Post back here if you have any more questions or concerns.
Boat Engine Wont Start Troubleshooting Steps. If playback doesnt begin shortly try restarting your device. Basic Troubleshooting When Your Outboard Wont Start.
Dont get stuck at the boat ramp - fix your outboards fast with these basic troubleshooting tips. When you back down the ramp turn the key and nothing happens its a problem. Or it would be if you hadnt seen this video on basic troubleshooting when.
All boats with electric start engines have a starter solenoid through which the electricity flows from the battery to the starter motor. If you turn the ignition key to the start position and nothing happens you may be having a solenoid problem. Luckily troubleshooting repair or replacement of solenoids is.
For other uses see outboard wont start carburetor At some point in time that Yamaha motor mounted on the stern of your boat is not going to turn on and begin to work. An outboard engine that will not start is defined as. Engine cranks but wont start engine wont crank over at all starting the engine is difficult.
Issues with Starting The Engine. If your boat wont start it can be very frustrating. This could be an electrical issue low or dead battery or a break in the ignition circuit.
How to fixprevent this. Check the kill switch shifter and starter switch. Check to make sure these are not loose.
06-29-2009 1003 PM. Yamaha has a fuse under motor cowling on port side down by the fuel pumpsit is in a water tight fues holderalso the relay is right there for your tilt and trimand the start relaycheck fuse check relay make sure your battery switched on check for corrision on relayit is start relay and tilt trim relayMaybe this can. A squirt of fuel directly into the air intake can help.
If the engine fires on that small shot of fuel but wont start without it the fuel systems the problem. If youve ruled out electrical sparkignition and fuel problems but the engine still wont start it may. There are five major things that you can troubleshoot to get your engine turning over.
The battery battery cables starter solenoidrelay the starter itself and the key switch. This article covers exactly how to diagnose a boat engine that wont turn over and how to troubleshoot the. If your motor has an electric starter troubleshooting the battery is not unlike a car.
If you turn the key and only hear a clicking it might be that the battery is dead. Look for obvious causes. Boats should be rigged with two batteries one isolated from everything else on board so that it retains its charge to start the motor.