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Outboard Boat Motor Repair


Boat Motors


Outboard Boat and Motor Maintenance and Repair

Charles Dunne (Hardcover) Oxmoor House 1976-04

Answers

I'm looking for some information on boat repair and outboard boat motor repair. FREE PREFERABLY :) 1975 Cryslr

I have been informed of www.seloq.com however I am not willing to pay that much unless I planed to open a business on boat repairingg. ANY ADVICE??


Try the local library. Ask for outboard repair manuals. Good Luck!

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Outboard boat motor - shift solenoids need replacement? Cost to repair?

I'm thinking of buying an older (70's) Starcraft American Runabout with an 100hp evinrude outboard mtr. I was told the moto's stuck in forward gear and the shift solenoids need replacement. I was wondering what a mechanic might charge....ballpark figure .... I'm not sure of the age of motor. Also, how much is a tune-up on a boat motor?


I take it you are looking at an outboard motor with electric shifting. I would try to avoid buying any boat with electric shift. They operate differently than other outboards and require special gear lube than other outboards.

Keep in mind most Evinrude&Johnson outboards older than 1977 require you find aftermarket parts. The original manufacturer no longer produces parts for these models and years before 1977.

Just to replace the shift solenoids and nothing else causing the problem, I put the repair about $350 to $400. This is a rough estimate, to find out for sure you need to consult with an OMC tech or have it looked at. While they are doing this, you might as well ask them to check the impeller and replace if needed.

For tune ups, it depends on the condition of the outboard. This could be as little as $100 or as much as $900 depending on what has to be replaced, cleaned, or adjusted.

In short, I recommend you avoid electric shift outboards. They tend to be more problematic to deal with than other outboards regarding on how it shifts.

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Repairing 1956 Merc 300 35HP Outboard Motor for boat. Please read on further.?

We have a 1964 14' Steury Fishing boat, nicknamed "the minow"... minow's primary source of power a 1956 Mercury 300 35HP Outboard, is out of commision. So I need to know what we can do to fix it or where I can go about getting parts. Please read further, as to why we would like to fix it.

1. Boat and Motor was bought in 2002, the previous owner had the motor reconditioned the year before. We put it on the water and it ran Beautifully that summer.

2. In 2003, we put the boat on the water, after doing a test run start. It ran perfectly fine. Drove it about 100 yards, the motor cut out, and black smoke billowed from it. We immediately stopped using the motor and boat since.

3. The boat has been sitting outdoors since then. Last year my dad noticed the prop was detatched from the rest of the unit, just 'hanging'. He removed it and not sure where he put it.

4. We are looking to get the boat up and running for a trip August 9th. My mechanic husband and his dad (who repairs mowers and motors on the side) are going to attempt to fix it.

We are trying to avoid the costly purchase of a new motor, since this one is good except for the bottom unit. I am awaiting a response from a local repair shop for marine boats. But I would like insite from the community if they know anything about this particually brand motor.
Repair Manual- The only repair manuals available for the Mercury Makes are for 1965 or newer. Unfortunately this is a 56. Unless there isn't much of a difference, it not going to be of use to me.

The motor and exterior of the outboard is in amazing shape. Its really not a restoration either. The motor itself has the capability of running, but its the secondary drive or bottom shaft part that needs the help.
UPDATE 7/31/09

I found out by digging that the Merc 300 motors were made in 1960 not 1956. The person we bought it from was wrong by the year. The lower unit of the motor is what the problem is. I have the repair manual now, now I am looking for places that may carry the parts for it.

We are trying not to buy a new or used motor because of the price. If we can fix the motor lower unit it would be worth it more than us trying to find another motor.


They are a major brand of good standing - particularly known for freshwater use until the '90's, as the corrosion issues prior to this in salt water could be very bad if not looked after well.

Buy a service manual.

Black smoke suggests a full electrical short.

A 'hanging' prop suggests vandalism or theft of some type.

After six years any engine that hasn't moved is a restoration, not a repair.

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how to tell what year a 15hp mercury outboard is without serial numbers?

I recently bought a mercury 15hp outboard motor from a boat motor repair place and the mechanic said it seemed to be made somewhere in the 90's but he wasn't sure because the he couldn't find the serial numbers. I looked where is should of been myself and it looked like it was taken off by one way or another. I was wondering is there any other way to find out the year/model of a 15hp mercury outboard motor?
Thanks


There is a motor ID disc on the powerhead. This is an aluminum disc that looks like a big welsh plug imbedded in the cylinder block, with the ser# stamped on it. With the ser#, go to this site, it will tell you the year. If this disc has been removed, as well as the ID tag from the clamp bracket, your motor was probably stolen.

http://www.marineengine.com/mfr/mercury_ models.html

i have a boat with an outboard motor & the motor is not pumping water today, any one know what the problem is?

i have a boat with an outboard motor & the motor is not pumping water today, any one know what the problem is & how i can repair it as i am great with mechanical things.


the impella is shot it should be changed every year dont run the engin out of the water as the impella will go bad in a couple of seconds


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