How To Time A 5.7 Mercruiser. The first step to change your boats spark plugs is to access the engine. Place a drain pan directly under the lower unit.
High hours, since it takes 200 hours to operate an outboard motor, meaning that a boat will last for 7 to 8 years when operated by an outboard motor. 1a640309 43500026u mercruiser 350 mag br dts mpi manufacture date: If you see any spark, you need to replace your ignition sensor.
The marine mechanic i'm going to connect you with knows all the tricks and shortcuts. I have a mid 90's 5.7 mercruiser with a tbi. Place a drain pan directly under the lower unit.
How do i set the timing on a 5.7 mercruiser with thunderbolt 5 ignition. The vent hole plug will be high up on the lower unit case and marked accordingly. Good morning jason on a 5.7 l mercruiser efi when i set the base timing and connect the computer to activate base timiing modewhat should i set to 8°or is it.
Feel free to contact me with any further questions. Sometimes things that you think will be really complicated end up being easy to fix. Based on your serial number, unfortunately, mercury is no longer selling the block nor long block for your motor.
Locate and remove the spark plug wires. Fire it up (this is where you need to be really quick), and as it starts (which it will) pull the lever back to idle. You will be in a position to understand specifically when the projects should be finished, which makes it much easier for you to correctly handle your time and efforts.
This is done differently depending on your boat, but if you have a 4.3l, typically there is an engine cover or hatch that can be lifted away from the engine to perform maintenance on it. Now, you need to remove the white or green (whichever you have in your distributor terminal) lead from the distributor terminal and turn on the ignition switch. The first step to change your boats spark plugs is to access the engine.