
- Check the spark plugs before you start out
- Change the fuel in the engine regularly
- Change the water pump impeller
- Frequent lubrication
- Remove debris in the outboard motor after each outing
- Check for fuel leaks after each trip
- Use anti-corrosion spray
- Use a skeg guard
- How to repair an outboard motor
Full Answer
How much does it cost to repair a boat motor?
The cost of rebuilding an outboard boat motor will depend on the exact type of motor (brand, size and year), the degree of damage, its condition and mechanic performing the rebuild. On average, be prepared to pay a professional mechanic anywhere from $1,500 to as much as $4,500 for an outboard motor rebuild.
What are the different types of boat motor repairs?
Types Of Boats – Their use, Pictures & More !
- A Fishing Boat Or Trawler. Just because you can fish on a boat using some handheld fishing gear, it does not mean its a fishing boat.
- Tug Boats. Have you ever seen any large ship near port? ...
- Deck Boats. ...
- A Dingy or Dinghies. ...
- Life Boats. ...
- A Sail Boat Types. ...
- Cuddy Cabin Boats. ...
- The Pontoon’s Or Pontoon Type Boats. ...
- A Ferry Boat. ...
- Houseboats. ...
How to fix boat motor?
What Causes Low Compression in Outboard Motors?
- Head Gasket Failure. A gasket is a tool that keeps everything together in the engine by preventing the coolant from getting mixed with the fuel.
- Leaking Head Gasket. A drastic change in the engine power can be noticed when the compression lowers in any cylinder. ...
- Worn out Head Gasket. ...
- Carbon-Clogged Piston Rings. ...
- Broken or Worn Piston Rings. ...
- Valve Issues. ...
How to clean boat motor?
- If you have an older motor or one based upon an older design, you should buy a set of flushing "earmuffs": two flexible rubber seals attached to a metal clamp. ...
- Attach a garden hose to the earmuffs or mount and turn the water on. Newer motor designs already have mounts, and so the earmuffs are unnecessary.
- Start up the engine. ...

How much does it cost to rebuild a boat motor?
Rebuilding your current engine of the same size might cost about $2500 or so — or about a third of the cost of a new engine. Buying a rebuilt engine, backed by a reputable dealer of course, would split that difference, or about $3000 to $4000.
What do you do when your boat engine stops working?
If you have checked the battery switch and charged the batteries, but your boat engine still won't start, check the battery cables. Make sure the connections that run between the engine and the battery are not loose or corroded. Reconnect or replace any battery cables that have become disconnected or damaged.
Is it worth rebuild a boat engine?
If the guts of your engine are good, if it's not burning lots of oil or guzzling more fuel than it used to, and still has plenty of get up and go, then repairs are usually worth the expense—and cheaper than the alternative. But if something goes awry inside the engine, you're looking at a rebuild.
How much does it cost to service a boat engine?
Outboard maintenance costs will vary depending on the type of service being done. A full service including impellers will cost around $1000 per engine. Without Impellers will be around $500. This also depends on the service rate in your area.
Why would a boat just stop running?
Boat Motor Stopped Suddenly If you're lucky, someone simply bumped the kill switch. Or you could be out of fuel. If neither of these checks out, this usually represents some type of electrical failure. It could be a blown fuse or tripped breaker, a loose connection or corrosion.
What would cause a boat not to start?
Water, dust, debris, and other items that get into the fuel system can even block the system. If there isn't enough clean fuel flowing to the engine, you can be sure that it will not start. In winter, ice water can mix with boat fuel. Any moisture in the water will prevent it from combusting and starting the engine.
How much does it cost to put a new motor on a boat?
An inboard powerboat engine replacement costs approximately $15,000, while you should set aside about $5,000 to $10,000 to replace the motor for a sailboat. If you have a sailboat with an outboard motor, you will pay significantly less, somewhere around $1,500, because this vessel uses wind as the first power source.
How much does it cost to repair an outboard motor?
A typical rebuilt midsize outboard motor from the 1980s to 2000 between 90 to 115 horsepower will cost at least $3,500 if purchased from a discount dealer; it will likely cost around $4,500 if purchased from a local full-service dealer. Rebuilding your engine will cost around $2,500.
Can you fix a cracked block on a boat motor?
0:3835:20How To Repair A Marine Engine With A Cracked Block - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it needs a little bit of pressure to push it through the crack. So that it it. The pressureMoreAnd it needs a little bit of pressure to push it through the crack. So that it it. The pressure pushes it through the crack oxygen on the other side begins to seal. It.
How often should a boat motor be serviced?
every 100 hoursMost outboard, sterndrive and gasoline inboard engines require basic service every 100 hours or annually.
How much is an outboard oil change?
If your boat has a single-engine and you opt to change the engine oil yourself, it should cost you about $50 to $75. This depends on the kind of oil you need and also the oil filter. If you take your boat to a professional, they may charge you upwards of $300 to get your oil changed.
What does an outboard tune up consist of?
Engine Tune-Ups: This service includes compression and spark tests, spark plug replacement, fuel filter replacement, greasing all fittings, and performing a test run. Pricing depends on the horsepower rating of your outboard motor. Please note that these prices do not factor in the cost of materials.
How do I know if my boat motor is seized?
If it cranks a compression test is needed to check the health of each cylinder. Usually, the term "Seized" means the crankshaft won't turn because something won't move. Usually because a piston is "stuck' in a cylinder and won't move. If that is the case, the flywheel won't move either.
Why will my boat crank but not start?
If the engine cranks slowly or doesn't crank at all, it's possible your battery may be dead or low. Use a voltmeter to check the condition of your battery. If the voltmeter reads below 12 volts, your battery most likely is the problem and may need to be jumped or replaced.
How do you fix a seized outboard motor?
4:2523:25Unseizing a seized outboard motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipPut something down here to lubricate this the pistons here because it's probably the Rings it'sMorePut something down here to lubricate this the pistons here because it's probably the Rings it's stuck and we don't want to don't want to snap those rings.
How do I get my outboard motor to run?
1:096:36Starting An Outboard Motor That's Been Sitting! - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe want to drain the fuel system we'll pull the fuel filter off and clean out the cup. So we can runMoreWe want to drain the fuel system we'll pull the fuel filter off and clean out the cup. So we can run good clean fuel through the engines fuel system.
How to make boat repairs easier?
Here are a few steps you can take to make boat repairs easier. Invest in a marine tool kit. You can get the basic supplies you need. Things like wrenches, screwdrivers, pliers, vise grips, duct tape and a hammer.
What parts can you change out on your own?
You should have parts that can wear out on hand. Spark plugs, hoses, impellers, belts, points, plugs and so on. Any small, easy to change part that you can handle swapping out on your own. Keep a backup fuel supply. You don’t need a ton, but a jerry can of fuel in case of some kind of emergency causes a leak.
Can you be a marine engine expert?
No one expects you to be a marine engine expert. But knowing how to prevent or adapt to a breakdown can save a lot of time and money. Preventive maintenance is best, and in the moment repairs can go a long way towards saving the day.
Do you need a mechanic for an outboard boat?
Whether it’s a car or a boat, no one wants to have to visit a mechanic. Still, if you’d rather have a boat that runs and won’t leave you stranded, you need a mechanic. Your best bet is to start every season with a tune up. Have a mechanic take a look at your outboard to make sure there are no issues. From there, you should be able to handle the basic maintenance to keep it running well.
Gel Coat and Exterior
Your boat’s beautiful, shiny gel coat is like its skin. If it has any flaw they catch your eyes immediately, so naturally, you’ll want to repair it as soon as defects become visible. Tip number one: keeping up with regular maintenance tasks like washing and waxing is the most important thing you can do to keep that gel coat looking good.
Propulsion Systems
We’re going to start this section off by reminding everyone that these systems are imperative for safe boating, and if you have any doubt in your DIY abilities when it comes to a specific task, don’t try winging it – go to a pro.
Additional Systems
In the case of steering systems, assuming all fluid levels are in the green and cables are in good condition, fixing any difficulty relating to stiffness or a hard-to-turn outboard is likely related to lubrication. Before doing anything else, try hitting any and all Zerk fittings with a grease gun.
