DIY Mercruiser 5.0 Exhaust Manifold and Riser Replacement
If you've noticed crusty salt trails or rust weeping down the side of your engine block, a mercruiser 5.0 exhaust manifold and riser replacement is probably looming in your near future. It's one of those jobs that every inboard/outboard owner dreads, but let's be honest—it's way better than buying a whole new crate engine because water leaked back into the cylinders. Marine exhaust systems live a hard life, especially if you're boating in salt water, and these parts are essentially "wear items" that need to be swapped out every five to seven years. ...