How To Check Spark Plugs Outboard

Inspect the spark plugs for damage to the insulator tip boot and upper and lower insulators. Leaving the original spark plugs in place and while remaining clear of moving parts have someone crank the engine over. Use a spark plug wrench with an extender.
how to check spark plugs outboard

Next check the spark plugs for signs of fouling.

How to check spark plugs outboard. Today i am showing you how to use a spark plug tester. More seagull videos to come. Like and subscribe thanks for watching. Do not test the coil with any of these wires connected to the coil.

The coil tower is connected to the secondary circuit. A normal spark plug will appear dry with a grayish color. A fouled spark plug occurs when the plug isnt burning fuel normally leaving damage to the plug which can cause the engine not to start. You may also find the ngk spark plug code helpful.

Once you get the socket over the spark plug place your hand over the head of the wrench grasping the head firmly and pull the handle hitting it gently with the palm of your hand to get it going. Please view the application guide below. I bought it for 7 in the uk. How to test spark plugs using a basic multimeter duration.

Ngk spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. When the motor is started a red light will flash everytime it sparks indicating any problems you may have. Five important diagnostic checks to use connect a spark plug wire onto the end of the plug and fasten the alligator clip to a bolt or to bare metal for a good ground connection. Inspect the entire wire from the plug to the magneto beneath the armature plate.

Use a spark plug wrench to remove the plugs one at a time and tag them to identify the cylinder in which they were installed. Disconnect the spark plug lead from the coil tower. Quick video on how to check for spark plug fire in any small engine or any engine for that matter. The secondary circuit sends the electrical charge from the coil to the distributor where the voltage is then sent on to the spark plugs to fire the engine.

A wet spark plug can indicate water in the fuel while a white residue on the plug can point to a plug that is too hot. Once you have the plug in your hand check out its various parts to look for tell tale signs of trouble. A quick video on how to check a spark on a british seagull outboard 40 plus. Try to remove the spark plugs by hand the ensure the plugs are properly seated.