Even though it is feasible to repair some lower unit oil leaks on your own, it is recommended to refer to a maritime assistance professional if You aren't skilled with boat maintenance or repair.

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Around the underside on the anti-ventilation plate, address The underside of your holes with masking tape, but bulge the tape downward to allow the epoxy to

Replacing a broken gearcase is one of the most typical and most expensive repairs boaters can come across. It’s a typical repair since the lower unit is well ruined by hitting concealed objects underwater. There are plenty of repair selections accessible so doing your homework upfront and keeping away from the temptation to slap on the very first unit you find is smart.

Due to the fact output shaft oil seals are uncovered and prone to break, you'll want to substitute them straight away when they’re leaking or worn out.

He pressure tested it and refilled the oil also. He charged me $117 which seemed inexpensive to me, Particularly coming by boat. But then I have by no means had the LU serviced before.

I straitened the shaft, changed the pump and a pair seals, and retired it to a fairly easy fishing boat lifetime. But it is all still a back again up motor/boat to our function boat so it can have to acquire conquer Yet again someday.

The gearbox or gear scenario works by using the vertical rotational electrical power coming through the driveshaft and turns it into horizontal rotational electrical power to how to repair lower unit on mercury outboard the prop shaft and propeller.

On my particular boat I do not actually have a skeg any longer. This is a lower unit from our perform boat. It's been overwhelmed to Loss of life, fixed, and crushed all over again till there was not just about anything still left to it.

Engine oil may well leak from The underside of your car on account of various factors, for instance a harmed oil pan or gasket, free drain plug, or a broken seal. Figuring out the precise location on the leak can assist figure out the result in and recommend the appropriate corrective action.

Posts: 40,290 RE: Lower unit repair costs The 6 several hours is correct on. When you have not completed it just before, you must double or triple some time. The true secret to undertaking The work proper is to possess the ideal equipment. This includeds a seal puller, and a seal installation Device. It's also wise to Possess a vacuum pump and force resource and fittings to be able to both equally vacuum check your lower unit, and strain check it after the position is more than. You have to be ready to maintain a superb vacuum - without having reduction in vacuum for twenty-four several hours, and you need to be able to hold stress with no loss in force for twenty-four hrs. If you don't do the vacuum and strain check, you will not know For those who have the job finished properly. Once you do the seal, be sure you switch equally the upper and lower seal.

Jerry was truthful and beneficial. He named back again swiftly and gave me seem tips on repowering in lieu of rebuilding, Despite the fact that he wasn't obtaining the business. I might surely have faith in him. Tom Wright

Hey Jerry , I hope your doing perfectly. It is Tom Wright. I just desired to Enable you to recognize that the motor is jogging like a aspiration.

It is usually recommended to inspect your lower unit for oil leaks frequently, Specifically before and just after extended intervals of use. By accomplishing common checks, you may discover opportunity challenges early on and prevent costly repairs or harm.