Where does the exhaust come out on an outboard. . Are often quieter than dry exhaust engines, because the water absorbs the noise and heat, which is why many boaters prefer them. The water exiting an inboard-outboard motor exits through the propeller hub or the outdrive. Apr 2, 2022 · Most outboards do that. Dec 8, 2023 · Most exhaust comes out through the propeller, underwater, to reduce noise. Dec 28, 2025 · The exhaust on an outboard motor is located at the back of the engine, near the propeller. Is that normal? We would like to show you a description here but the site won’t allow us. It could be a bad head gasket or two, leaking, but the compression test should show that. We would like to show you a description here but the site won’t allow us. That is not normal for the heck of it drop lower unit and see for your self. Gasses leave the combustion chamber and go into the manifolds, after the riser it mixes with water from the manifolds and travells down to the Y pipe at the transom plate, through the exhaust bellows and out the prop hub, some if not most of the exhaust/water at goes out through the two approx 1" holes on either Jun 6, 2006 · Re: How much coolant water should be comming out of my outboard? Water coming out of those 4 holes is good I would think, indicating that water is coming through the engine and into the exhaust section, most of which will go through the normal exhaust run. But at low speeds and RPMs, there may not be enough pressure to push the exhaust out against the water. In two-stroke outboard motors, the exhaust system is designed to conduct the cooling water out of the motor through a small hole located at the rear of the engine. May 20, 2018 · Water does come out of the tell tale as well as one of the plugs that I removed on the left side of the engine. For all your marine exhaust system needs, including manifolds, risers, hoses, and mufflers, explore JLM Marine's comprehensive marine exhaust components collection. more than likely your propeller is toast and its cheaper and easier to replace propeller than an a outboard. It’s to keep the pump from getting air locked. Jul 28, 2019 · Use raw water from its surroundings to keep the engine cool, which flows in through the seacock, and is expelled through the exhaust. Winners must comment on the winner's post or direct message us by Monday morning in order for us to send out the item. The result is a very black oily sludge coming from the propeller. Our quality marine-grade products are designed to provide reliable performance for your boating adventures. Apr 27, 2009 · White smoke is likely steam, and is not normal. The exhaust should always be positioned away from anyone in the water to avoid injury. The exhaust gases are expelled through a pipe that runs from the engine to the back of the boat. Water is also pouring out from the central cavity where the water tube is. Pro XS® Mercury Pro XS® outboards are engineered for those boaters who demand ultimate performance – anglers competing on the highly competitive tournament trails and powerboaters who simply crave speed and acceleration. Maybe you just didn't notice before. The amount of water that comes out of the exhaust on an outboard motor can vary depending on the motor’s size, make, and model. This hole is usually located above the propeller and is referred to as the tell-tale. Jan 29, 2008 · This mixture of oil and carbon builds up in the exhaust chamber of the engine, and eventually will wash off and drain out. Oct 21, 2004 · Re: exhaust gases, where do they go? This is how I believe A1 od exhaust works. 8 tohatsu outboard I recently just changed the water pump because it was bad and before I changed it it didn’t pee out water these two holes now that I have changed the water pump it pees out of these two holes. May 7, 2010 · Water is injected into the exhaust above the relief ports, so there should always be some spray coming out of them. Exclusive components and tuning extract every ounce of performance from each Pro XS model so you can take it to the limit. I have a 2004 9. Generally speaking, however, there should be a noticeable amount of water coming out of the exhaust when the engine is running. All pumps have these holes, usually a tiny hole in the housing and a slot that vents excess air and water around the top impeller cup around the shaft. Apr 1, 2010 · Re: Mercury Outboard no pee hole discharge A man will lie to you to make a buck$$ But an outboard not peeing will not lie. It’s water that comes out of the water pump vent holes and top of the housing around the shaft. qov znf hqj eck mll qvy lhr rqf kvo mmi gtt wgf jaq bhq mlt