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14.05.2021 10:01:20
What oil should I use? more
See full version: Engine Oil; Lube
What oil should I use? more
Absolutely, but you don’t have to. If you’d rather leave it to your Yamaha Marine dealer, they will be happy to take care of it for you in their specially trained and properly equipped service department. That also means you won’t have to dispose of the used oil yourself. But if you prefer to do it yourself, your Yamaha Marine dealer can set you up with a Genuine Yamalube Oil Change Kit, specific to your Yamaha outboard. It includes the right type and amount of Yamalube marine oil, a Genuine Yamaha oil filter and a drain gasket. Everything you’ll need to do the job right. Kits are available in Yamalube 4M 10W-30 and 20W-40 weights.
Yamalube 2M TC-W3 ® Yamaha-formulated and NMMA ® -approved, it provides outstanding protection for two-stroke, water-cooled outboards, with its special blend of additives that help combat ring stick, corrosion, varnish and wear. It’s a standard by which other two-stroke oils are judged. [links]
You’ve heard the expression “choose wisely.” When it comes to choosing an engine oil and filter to protect your Yamaha, this couldn’t be more true. Using the correct oil and filter at the recommended intervals is the single most important thing you can do for your outboard.
Go to Wally World and buy your self a quart of Quicksilver Marine Lower Unit oil in the package that has the pump, a fitting to fit your lower unit drain plug, and a pump to pump it in. Marine lower unit oil is more than just 80 or 80-90, or 80-140 hypoid gear oil. It is specifically developed for the marine environment to combat water contamination/rust problems with gear boxes that operate submerged in water. It has a special additive that makes it stick to the metal providing insulation between the metal and any water that leaks into the gear box. more
Must use 80/90w MARINE grade. You'll need the connection hose the goes to the lower unit. You have to drain and then pump the new oil in and up from the bottom till it comes out the top.
Pump the pump till you see fluid and some bubbles at the vent hole. Pump a little more to reduce the quantity of bubbles. [links]
Re: 25 hp mercury/ Tips and gear oil weight for lower unit change?
As lower unit the working and most important part of outboard engine thus its maintenance is necessary to have a hassle free journey on water. Lower unit oil is needed to lubricate it and lubricating your lower unit is very important as it gives the thrust to move your boat, and without this your outboard engine will be ruined. So for keeping your lower unit in best performing condition and to enhance its useful life you should use Yamaha lower unit oil. The lower unit oil reduce friction between the moving parts of lower unit and also prevent the wear and tear of it and helps in best performance. It also act as cleanser of internal parts by removing the sludge which is accumulated due to the working of lower unit at high pressure. Following are the reasons for which lower unit oil is needed:
As the lower unit is always in the water and in salt water things get more dangerous as it can corrode the interior of the outboard engine. So the Yamaha lower unit oil helps to prevent from such damage. here
As the lower unit have to deal with much greater drag force of water so it have to work in heavy load, so for its best performance in heavy load lower unit oil is needed for its best functioning.
Changing oil on your Yamaha engine sounds like a really simple thing to do, but if you have never done it before, it could be quite tricky. To make sure you do it correctly, follow these useful tips on how to change Yamaha lower unit oil.
Always make sure that your lower unit is filled with enough before you operate your outboard, because if not, it can cause serious damage that will cost a lot of money to repair. Checking the oil level is not difficult, pretty much like checking the oil of your car. Just remove the upper oil plug then insert a small wire into the hole about an inch deep and take it out. If the wire touches the oil then you know that the oil is at the right level. If you don’t find any oil on the wire then it should be refilled until you reach the right level. here
Are you looking to buy a new one? There you go.