Oil leaking at prop The same goes for the carubretors. Tags oil, oil leak « Prop Shaft Shop - Vancouver bc | Broken gearbox MSB on Volvo Penta MD17C » Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is OffTrackbacks are Off Pingbacks are Off Refbacks are Off Forum Rules May 26, 2010 · I had GC oil leaking from my prop shaft. Jul 5, 2009 · That to me would sound like a prop seal. If you don’t know what to look for, drain the lower unit oil into a clean container and take it to a mechanic. Remove the lower drain/fill screw from the lower unit if water comes out you have a leak if no water comes out it is fine. Past that situation things that put oil in your exhaust are most likely expensive and need dealer or expert mechanic. No noticeable oil or gasket leaks under the cowling. Already sent Don pictures of oil I could see prior to pulling flywheel. The biggest hassle is removing the propeller and reinstalling it on your aircraft. May 22, 2024 · Here are some common reasons why oil may leak from the lower unit weep hole: Worn Seals: Over time, the seals within the lower unit can wear out or become damaged, leading to oil leakage. This condition means oil is leaking around the internal piston and is filling the hub cavity. Jun 16, 2007 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. The reservoir empties within a few hours after filling. Ensure proper lubrication of splines with marine-grade grease but avoid over-application that can attract debris. You now need to replace all of the gaskets and seals in the lower unit. Is it time to overhaul? Mechanic told us to keep using it to see if it would seal itself. MT fixed mine before overhaul by adding some sealant. In a very extreme situation the engine could lose all oil and seize. Warning, the thread is LH. 9 lower unit oil leaking out prop. A simple test (if you know what gear oil smells like) is to smear some on your finger and smell it. This video covers removing the bearing carrier from the gearbox, removing the oil seals and then installing the new ones. Otherwise, rub some of the leaking oil between your fingers and give it a sniff and see if it smells like oil/fuel. Oil leaking into the prop area often indicates a failing lower unit seal or a cracked oil reservoir. Jun 1, 2010 · I changed the oil in my leg the other day and last night i noticed some oil leaking around the prop. Not gear oil but the engine Jul 20, 2010 · I noticed when I have my motor trimmed all the way down oil leaks from the prop hub. This happened to me on a 30 Johnson. Oil can come from the driveshaft seal so you really should have pressure tested the lower unit before you did anything. The first place to look is the output seals, which are found behind the propeller. Many boat owners pay little attention to the lower unit of their outboard motor until there’s a problem – and one such problem is an oil leak from the weep hole. 9 leaking oil As NWC says, same oil, just different motor position. Mar 18, 2010 · Re: 1977 Johnson 9. If the oil is somewhat clear looking, then it may have leaked out of the lower unit-that needs to be looked into. Inspect the driveshaft and prop shaft seals for wear or damage. Yes the oil was a bit milky, but it has literally been 4 or 5 years since this has been changed - I just got put in charge of the maintence of this motor. I'm working on my dad's 15hp 2-stroke Johnson, and I noticed upon starting it up this spring that milky oil is coming from the prop assembly. Prop is a Hartzell. Regularly replace seals and maintain proper oil levels to prevent leaks. Feb 20, 2013 · Re: 1986 9. Normal on a carb two stroke. They're commonly damaged when fishing line gets wrapped around the prop shaft, and the seal can be I have a 2015 Evinrude 135HO, my problem is oil leak coming thru throttle bodies then leaking from air box to lower cowl then into water and splashwell. Aug 22, 2025 · 2 stroke outboard leaking oil from prop can be caused by a worn prop shaft seal, bad gaskets, or overfilled oil. 9 oil leak That thread was about a leaking seal behing the prop. The input shaft seal is a common place for leaks. I then soaked penatrating fluid on the threads for a couple of days. Nov 17, 2016 · My 2 stroke 15 hp Yamaha started to leak oil about 3 years ago. Any ideas? Thanks. Before my prop was overhauled about 7 years ago and had steel sleeves installed, it used to spit a tiny amount of grease every so often. A wire through the Aug 10, 2013 · hey guys! new member and new boat owner here so bear with me! while I'm waiting for my parts for the recoil to come in I decided to change the plugs and the gear oil in my mercury model 200 20h. I dont want to do anything I don't have to. No boating for you until it is fixed though, as it will pollute the water. I know the exhaust exits from there as well, but I inspected the exterior seal around the propeller shaft after I trimmed up and cleaned it off it looks pretty dry rotted. doa mcsbr ncpzq niri fvaqszc jomht cmnvwn dudrc fpabyq dxpez qbqyv jkxa biye rqrqws gsozn