If the outboard motor was submerged 27 3. Whatever the case if your engine fails to fire up and start operating you should refer to the troubleshooting guide listed below.
If there is any water on the spark plug check for leaks.
Outboard motor no spark troubleshooting. Outboard engines need a strong spark to provide the heat required for ignition of the fuel. Spark problems used to be very common but later model outboards very rarely develop ignition system faults. Some later model outboards ignition systems.
The motor turns over great not an issue with it turning over it just wont fire and when i put another spark plug in the wire and grounded it then had a friend turn the motor over there was no spark ill try a few options related to the problem that werre suggested thanks. How I diagnosed and repaired a mid 80s Honda 75 hp outboard kicker motor with no spark. Your outboard needs spark at the spark plugs in order to start.
Remove one spark plug wire and spark plug. Reconnect the wire to the plug and lay the plug against the engine block so that the metal of the plug is firmly touching the engine block to ensure that its grounded. 70hp Chrysler outboard with no spark.
There needs to be TWO power leads to the CD box. The blue powers the electronics and there should be a RED that is connected to the red terminal on the engine. This charges the capacitors inside the CD box.
Reinstall each spark plug with the spark plug wrench and place the spark plug caps back on. If engine problems continue take the outboard to a Yamaha dealer. Outboard Motor Troubleshooting with a Spark Tester - YouTube.
If there is no spark noticed at the plug remove it and replace it with a new one. If you still dont get a spark you want to check for a faulty stop switch. Disconnect the stop switch circuit and retest the spark output.
On a smaller pull-start outboard motor you find the stop button and follow the two stop switch wires back to. First Confirm Your Engine Has No Spark. Disable the fuel system by removing the fuel pump fuse or relay.
Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally Have someone crank the engine and watch for spark. If the engine has a coil-on-plug ignition system with no plug wires.
Electrical contact to the engine block as it does when it is screwed in place. Now turn the engine over at normal cranking speed and watch for a spark. If you are in bright sun you may have to shade the plug to see the spark.
If this test shows no spark or a weak spark troubles with the breaker points or coil inside the magneto are likely. Coil and HV wire. If the outboard motor was submerged 27 3.
Release the drain tube from the projection of the intake manifold and bring the end of the drain tube out from beneath the cover. Tilt the outboard motor up. Loosen the vapor separator drain screw.
Drain the petrol into the drain pan as it flows out of the drain tube. STEP 2 Drain the fuel. Be sure that theyre not covered in carbon and sometimes it helps to check the gap they make a gauge for this specific purpose.
Spark plugs should be tightened into place it can be REALLY problematic if they arent fully screwed in. If its not a spark plug issue check other simple solutions. Is the engine getting fuel.
Check that there is plenty of gas in the gas tank and that all fluid levels are at the right level. Make sure that all wires are connected properly. If there is no start from the engine there may be no spark present.
Check that the spark plug for the engine is free of decay and is clean. If there is any water on the spark plug check for leaks. Hi Paul Thank-you for your patience on this one.
No Spark would most likely be stator ignition switch or pack. Start by disconnecting the stop wire BlackYellow wire on the powerpack and re-test. If ok the ignition switch shift switch or harness has a problem.
Power Pack Ignition Module for Johnson Evinrude Outboard. A power pack or ignition module is the device that controls the timing of ignition functions on all engine cylinders. Some power packs also have a SLOW.
Speed limiting operator warning function that limits the RPMs the engine is capable of attaining. Johnson 50 HP outboard that doesnt appear to be getting spark. I pulled the plugs and grounded them and didnt get any spark at all.
He called the local Marine dealer and at first they told him the power pack then they told him on another call this motor doesnt have a power pack and that it would most likely be the coil. Repair or replace the defective part s if there is no continuity. If there is continuity replace the electrical fuel pump.
If you hear the operation sound check each part of the fuel system individually. First inspect the fuel filters and look for. 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. Maybe the outboard cranks but wont start or maybe it wont crank over at all. Whatever the case if your engine fails to fire up and start operating you should refer to the troubleshooting guide listed below.