Stuck Valve Merc 3.0 | Boat Restoration

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Cleaning The Boat

Before we dived into repairs we had to clean the engine. You don’t have to be covered in grease to feel like a proper Greasemonkey. Instead of cleaning the boat in the driveway we went to the car wash with a few cans of de-greaser, and a bunch of quarters. The hardest part about going to the car wash with the boat was trying to make car size turns with a boat on a trailer.

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Engine Teardown

So we dove into the engine repair on this 2004 Bayliner Bowrider with a 3.0-Liter Mercruiser engine and found it pretty easy to get to everything. I took a video so I would have an ideal were everything goes minus the mess the original owner left us with. The biggest issue we had was rust, nothing a good can of liquid wrench won’t fix to break the bolts loose. The big thing here is labeling and pictures or video makes it easier to put engines back together.

Top View Mercruiser 3.0 Engine

Cylinder Head Is Off

Once you have the cylinders head off, if that’s as far as your going, you need to inspect the short block. I was really surprised by the condition of the cylinders, I could barely feel a grove where the piston stops on top dead center. The water jackets in the block did not show heavy signs of corrosion, always good. The head gasket was not blown, really looks like we won’t have to rebuild this engine. “Update, Engine Has To Be Rebuilt”

3.0-Liter Mercruiser Block Inspection

Keep Dirt Out

When you take anything off your engine and it leaves a hole, cover it. I would really hate to get all my parts, then have to spend more time cleaning. If you have everything covered correctly when the parts come in, you’re sticking them on, and that’s just one less thing.

Cover Your Engine

While you wait for your new toys to come in, all parts sources through www.marineengine.com, take the time to inspect and clean.  This boat was run in salt water so it is critical that there is no excessive rust in cooling ports. Would just hate to be a few miles offshore with a busted engine calling sea tow.

The Video

Here is the video, I hope that it will help you, or you can go to the next blog. I have plenty of automotive repair experience, boats are new to me, but most of the principles are the same.

Please stay tuned for future updates.

Boat Restoration Blogs

  1. Getting Our Boat!
  2. Stuck Valve Merc 3.0
  3. Battery Power
  4. Bilge Pump Install
  5. Boat Floor Demolition
  6. Boat Gelcoat Shine
  7. Sanding Bilge
  8. Engine Busted Budget
  9. Missing Pieces
  10. Engine Wiring Harness

We hope you enjoy this as much as we do! Also, you may want to check out Dining in with Danielle for great recipes!

Commonsense provided by my love Danielle Redding.

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