Hi all just started my annual outboard maintenance for my 40hp Yamaha. The majority of manufacturers agree that flushing for ten minutes is ideal.
Flush Mate Outboard Flush Bags.
Flushing a yamaha outboard motor. Let Blake show you how to perform a static flush on a yamaha outboard. This is a short and sweet video with instruction and tips to help you keep your invest. Did you know that flushing is an essential component of proper outboard motor maintenance.
In fact you should be flushing after each use. This might seem excessive but when you take into account the fact that whenever you run your Yamaha outboard motor the intake ports are exposed to salt and brackish water as well as sand chemicals minerals grass particles and. It doesnt matter if Im running across shallow sand or mud flats or open water or even whether Im in saltwater or freshwater flushing the motor is part of my regular operational procedure.
When you run your outboard theres a potential for the intake ports to pull in everything from sand and shells to grass particles chemicals or naturally occurring minerals in the water. How to perform a running flush on a 4 stroke Yamaha outboard motor - YouTube. Thoroughly clean and flush the outboard motor with fresh water after operating in dirty or salty water.
Flush Kit optional part 1. Wash the outside of the outboard motor with clean fresh water. Remove the wash plug and sealing washer from the WASH plug hole in the gear case.
Be sure not to remove the oil level plug from the OIL. Outboard flushing the right way boatus fresh water flush your yamaha motor updated v6 offs outboards for 2021 to winterize your yamaha outboard motor. Running on the MUFFS and getting to temp allows water thru the thermostat where the other does NOT plus the water pump.
Once I get in Ill use the power head hose flush for maybe 10 minutes. Once on the lift and out of the water. The product is called Salt-Away and it is an inhibited acid that can be circulated through the motor to remove salt deposits.
Of course vinegar is an acid and may work also. If I were doing this myself I would run my motor in a 55 gallon plastic drum and add my acidic product with the motor running until I saw some foam or signs of deposit removal then flush. How to Flush Outboard Engines that have a Flushing Port.
Remove the cap from the flushing port and thread your garden hose into it. If the boat is in the water tilt the engine up until the outdrive has drained of saltwater. Turn on the water and let it run for at least five minutes.
Do not start the engine. An outboard can be flushed with the boat on a lift or in the water. It works best if you can trim the engine up so the gearcase is out of the water.
A built-in flushing device is a hose fitting usually located near the lower rear cowling. Connect a garden hose to the outboards flushing device fitting. Turn on the faucet.
Let freshwater run through the outboard. There are a couple of ways to cleanse the outboard. Use the built-in freshwater flushing device fitting located on the lower cowling on most Yamaha outboards doesnt require running the outboard or use a flushing attachment flush muffs to supply clean cooling water through the water inlets on the sides of the gearcase while the outboard is running.
Water pressure no higher than 45 psi should be used. The engine can be running or not when flushing and flushing should be for at least three minutes. Mercury notes that this procedure should be used when flushing the engine after use in salty or dirty water and also as a part of preparing the outboard for storage.
It is ok to flush for up to 1 minute. Flushing for more than 1 minute is unnecessary and the product is being wasted. Turn Salt-Away Mixing Unit valve to the off position and remove Mixing Unit from the flushing muffs or other flushing device.
Do not rinse Salt-Away out of engine with fresh water. How To Flush And Descale Your Outboard Motor Yamaha feature a Freshwater Flush Device that allows you to flush your engine without starting it for maximum convenience durability and engine life. First get a large heavy duty bin or drum and fill it about 23 full with water and added 4 gallons of vinegar.
How Long Should I Flush My Outboard Motor. The majority of manufacturers agree that flushing for ten minutes is ideal. You will want to perform the flushing procedure while the outboard is running at idle speed and the engine is in a vertical position.
However you wont need to run the engine if you use the flushing port. The flushing garden hose type attachment on your port side of the engine is for flushing the motor. DO NOT run the engine while using this attachment to flush the engine.
Link to Yahama Owners Manual online. Flush Mate Outboard Flush Bags. Made from rip-stop fabric with all seams welded to make this bag waterproof.
Flush Mate outboard motor flush bags are for use on most outboard motors Small -100hp Large 115hp- with standards legs no extras added like fins. See water squirting out the sides of the flush muff then start your outboard in neutral. Set the outboard to no more than a fast idle 900-RPM max and allow to run for 15 minutes in neutral.
Increase hose water pressure enough to maintain a bit of squirting out from under the flush muffs at all times while the outboard is running. Hi all just started my annual outboard maintenance for my 40hp Yamaha. Took the thermostat out to find it covered in salt has been in 2 years I flush the motor after every use.
This started me thinking how much salt build up is there in water jacket etc. Had a look on the net came across a fe. Flushing your outboard motor when youve been boating on saltwater is an incredibly important part of routine engine maintenance.
Not doing this is a recipe for disaster as a buildup of salt can block the cooling system leading to possible overheating and it will eventually corrode your engine from the inside out.