Wet exhaust tail pipe flappers…pros and cons? Marine Exhaust Flapper

poor attemt at installing exhaust rises nearly causes boat fire. Silverton 34C - Marine Chevy 5.7 Vortec Exhaust Manifold Replacement

Wondering why your OMC/Volvo sounds like garbage? Your exhaust seal/flapper is probably stuck closed. It's not the end of the This particular engine is more than likely just pooling water inside exhaust and running back into the cylinder.

Stupid flapper melted and made it all the way to the sterndrive. Tried looking for it with a camera scope but was not visible in the Boat is taking on water - Our failed leaking bellows

How to install bellows on a Mercruiser I/O. How to Install a Mercruiser Dry Joint Exhaust Manifold Reinstalled Exhaust Riser, Boot & Flapper on 1987 Bayliner Cobra 2250 OMC 5.7 V8

I got the broken exhaust flappers out of the bottom of the outdrive thinking that was the problem. But it's still doing this. How to make flappers stay put when installing them.

Why do Boats Exhaust into the water? #boat #exhaust #wetexhaust #learn Exhaust flappers yes or no??? - The Hull Truth - Boating and Fishing

Hardin Marine has designed this easy to install effective slip on version of the popular "Silent-Seal"exhaust flap. No cutting or welding, this unit is designed Exhaust flap not working good. mercruiser exhaust riser gaskets - which ones to use on which exhaust

Steve Bull shows us how to replace a corroded exhaust elbow on a Mercruiser, and throws in a few tips to help reduce engine Replacement Flappers - Hardin Marine

Exhaust Tip Flappers mercruiser cooked engine by messing up exhaust gaskets open or closed cooling?

Which muffler do you prefer? Don't overheat the 6.2 Mercruiser 🔥exhaust shutter valve failure. ✅

They can stick open and flood your engine. If I were repowering I would certainly install a high enough riser loop, minimum 12”. But for an existing Exhaust flapper | Boat Repair Forum Replace Mercruiser exhaust flaps the easy way,no riser removal #trending #viral

Does your exhaust bellows keep slipping off on your MerCruiser Alpha One Gen II from the outdrive? I attempted the install 15 Testing 2.5, 3.0 Mercruiser marine exhaust manifold for cracks. OMC, Volvo too. The working principle of the four commonly used check valves #valve

Open Exhaust or closed Exhaust for my Mercruiser boat! I own a 78 Bertram 35 with 3116 Cats. The boat has and always has had exhaust flappers on it. (I hate them) I have seen others without them with

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Running boat without exhaust flapper? Can I run the boat without an exhaust flapper?

Exhaust flapper needs to be replaced one of the screw holes is completely torn out They snap into place on the boat side and just float Volvo Penta issued a Technical Service Bulletin that recommends removing the exhaust flappers. They did research that found Today we took apart the exhaust riser to inspect them before the Boating season of any rust. They are the typical inboard outboard

exhaust manifolds STUCK on mercruiser engine.. how I removed it #marinerepair #boatrepair #manifolds 18-4457 2 Pcs Boat Exhaust Guard Covers with Stainless Steel Clamps Fit 4" OD Pipes Replace 50-28361 Mercruiser 12644A1 12644Q01. Everything you need to know to buy new exhaust parts for your MerCruiser engine! 0:00 MerCruiser exhaust buyers guide 0:22

MerCruiser Exhaust Buyers Guide 1986-2009 - Powerboatsupply.com Marine Exhaust Flapper - Amazon.com

The exhaust shutters keep water from entering the cylinder heads, it tends to bend connecting rods and can break your start nose cone. The flappers, aka Exhaust Water Shutters, are located in the exhaust y-pipe. The flappers help prevent water from running back into the engine.

Mercruiser exhaust bellows 7 minute install trick Captain We built a 8" flapper and hinge of cast bronze. The mounting block was thru bolted onto a 8" Buck Algonquin transom fitting. You could In this video, I demonstrate how Corsa Exhaust Diverters work on my 1995 5.7L Alpha One Gen 2 boat. These exhaust systems

BOAT ALPHA Gen 2 OUTDRIVE Exhaust Boot FIX ⚓️ Prevent hydrolocking your boat engine with these boat launch tips and boat ramp tips. If you have a sterndrive engine (an inboard

Hello all, Today we are going to be replacing the exhaust manifolds on my 2010 Marine Power 5.7 Small Block Chevy Vortec 1. How to replace Mercruiser outdrive Bellows - (PART1) 2. How to remove alpha outdrive from Part 11B - Mercruiser 4.3 V6 Rebuild - Volvo Penta Exhaust Flapper TSB Repair

4in exhaust tips install Part 11A - Mercruiser 4.3 V6 Rebuild - Exhaust System Prep

Give your answer for below questions 1. The Loudest Muffler? 2. The Quietest Muffler? 3. The Best Performance Muffler? Shop for all your boating needs at This video is a guided demonstration on how to install a Mercruiser Links Below: Petcock Failure of the MIE 350 MAG MPI Ski as I get ready to launch my boat! Mercruiser / Mercury Inboard Engine

Subscribe the channel i will do a full video on the boat shortly. Mercruiser 4.3L Exhaust Flapper Water Valve Replacement Eddie Marine is Southern California's premium billet aluminum manufacturer to help you create the custom boat you have always wanted.

In this video I am prepping the exhaust system for installation. The main takeaway is that there could be melted exhaust flappers in What is wrong with the exhaust? Mercruiser Alpha One Gen 2 / 3.0

Hydrolock Boat Engine - How it can happen! Corsa Marine Exhaust Diverters -- How Do They Work and What Do They Sound Like?

Open or closed exhaust diverters for my boat , loud or quiet is always cool, some lakes you have to have underwater exhaust! Mercruiser Water Flapper Exhaust Shutter Replacement

How to replace an exhaust elbow on a Mercruiser inboard | My Boat DIY Parts showed up just before the holiday weekend, so let's try and make this boat stop leaking! The old rubber coupler (lower 3")

8' Disney boat with a 25hp 2 stroke and a 70lb driver takes off a lot like a jetski lol OMC COBRA exhaust flapper - stuck in sterndrive. Now running engine with no flappers. Mercruiser 5.7 exhaust riser inspection

OMC Cobra Volvo Penta SX Exhaust Seal Flapper Damaged/Stuck Findings and nuggets of knowledge from a typical boat marine survey. Today's episode: Warning signs for engine exhaust

I discover my exhaust flappers are damaged. Marine Exhaust Manifolds. How Do They Work? Hey Everyone, Today I go over a boat exhaust manifold and show how they work and how the water cools them. I cover all the

Replacing Mercruser updated exhaust flappers Testing the CORSA Performance Marine Exhaust Diverter Valves, Solenoids and Harness off boat. Problem was fixed by taking In this video I am doing an inspection of the bellows on a boat with a Mercruiser Alpha One Gen 2 outdrive and 3.0 4 cylinder

In this video I explain what flappers do. Volvo said you should not put them back in if they fall out. Mercruiser says you should. mercury marine purpose and design of exhaust flappers

mercruiser exhaust bellows zip tie install trick You'll most likely be fine. Don't let most of these people commenting scare you. The planets would have to align perfectly for any water to make

Those little shutter valves inside of your exhaust white pipe serve a purpose, especially on a boat that has the engine sitting quite Wet exhaust tail pipe flappers…pros and cons? | Trawler Forum 454 Mercruiser water reversion as seen thru clear 4" tubes running outside boat Shows why exhaust shutters are soo0000o

Corsa Marine exhaust diverter solonoid testing Mercruiser Mercury Marine Exhaust Manifold Cooling System Petcock #shorts MIE 350 MAG MPI Ski 7.4 Mercruiser Exhaust Water Reversion & Pooling

Exhaust Flapper - HELP - Maintenance, Tech Info & Troubleshooting Mercruiser overheat incorrectly installed exhaust system DANGER FIRE!

Marine engineering team @AizuddinAbdullah1187. This is a quick overview on how to replace the exhaust shutters on a Mercruiser inboard. Parts (Amazon Affiliates): Shutter OMC cobra thru-hull exhaust

Install Exhaust Bellows on a MerCruiser Alpha One Gen 2 - Keep it from falling off The only thing you will notice is about 1 extra decibel of sound from the new style boot at idle. 94' Rinker Mercruiser 3.0LX - Exhaust Leak Fix

FnF 161 - Boat 016 - Volvo Penta 270 Exhaust Flapper Replacement - 1982 Citation Sprint 8" Exhaust Flap | Downeast Boat Forum 60 second boat survey (Ep78): Bad engine manifolds and risers

454 Mercruiser water reversion as seen thru clear 4" tubes running outside boat Wasn't a one and done Mercruiser Alpha One Gen Two exhaust flappers

mercruiser 3.0L exhaust flapper replacement. Boat Flappers Explained / What do & Why do I need Flappers August 24, 2025

FnF161200205 - Boat 016 - Volvo Penta 270 Exhaust Flapper Replacement - 1982 Citation Sprint. I rigged this to check and see if my exhaust manifold was bad. It bubbled like crazy. The other manifold was tested and no bubbles Made this video since I could not find any videos about replacing the flapper valve on the 4.3L Mercruiser engine. Sorry the video