outboard - SailNet Community
LinkBack Thread Tools
post #1 of 4 Old 09-30-2003 Thread Starter
Junior Member
Join Date: Sep 2003
Posts: 4
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0

I have a Mercury 7.5 hp. Can anyone give me some info on how a winterize it. also how do I change the gear lube?
kevi914 is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
post #2 of 4 Old 10-02-2003
Senior Member
Join Date: Dec 2000
Posts: 654
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 17

Since no one else has chimed in, I will tell you what I do. You want to do several things:

1. Flush the cooling system. You can do this the fancy way but buying the "rabbit ears" flushing adapter from your favorite marine store or the simple way which is to put the engine into a bucket filled with fresh water and run it for a little while. If you flush with fresh water you will need to keep the engine somewhere where the water wont freeze.

2. Fuel system. Honestly, all I do is run the engine without the fuel line attached until it is all out of fuel. In the past I have fogged the engine using a fogging spray thru the air inlet or added a fuel stabilizer to the fuel.

3. I would change the spark plugs in the spring and not know. Its also a good time to change the fuel filter and the zincs. No sure if your engine is 2 cycle or 4; if its 4 you will want to change the engine oil as well.

4. Changing the lower unit oil (gear lube). Goto the marine store and get a tube of gear lube that is appropriate for your engine. It is easier to change the gear lube if you run the engine for a while first as warm gear lube will flow more easily. Stand your engine upright. There shud be 2 screws one a couple of inches above the other. This is kinda a messy operation so make sure you have something under your engine to catch the lube. Generally you can take out the bottom screw first the the lube will not gush out. Once you take out the upper screw, it shud really flow out. Let it drip out for a good 20 mins or more to make sure you get all of it out. The gear lube that you bought shud have a long, narrow tube at the end. Cut the top off this tube and jam the it into the lower screw hole. Keep squeezing the tube until the lube starts to ooze out of the top hole. Once this happens, put the screw back into the top hole. Remove the tube of gear lube and quickly replace the lower screw. It helps to have a helper when you do this. Good Luck.


hamiam is offline  
Quote Quick Reply Share with Facebook
post #3 of 4 Old 10-02-2003 Thread Starter
Junior Member
Join Date: Sep 2003
Posts: 4
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0

Thanks for the info! My motor is a 2 stroke. One more ? How lng can the gas/oil mix be stroded and still used
Thanks again
kevi914 is offline  
Quote Quick Reply Share with Facebook
post #4 of 4 Old 10-03-2003
Junior Member
Join Date: Mar 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0

There are a number of additive fluids on the market that will get you through the winter season by keeping your gas/oil fuel from getting gummy. I wouldn''t try for longer than the winter season off. I''ve had no trouble storing the fuel in a tank, but have not tried to leave fuel in the motor. I suggest you run it dry before the other advice on winterizing.
Benesail is offline  
Quote Quick Reply Share with Facebook

Quick Reply

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page

Similar Threads
Thread Thread Starter Forum Replies Last Post
Outboard motor controls waltzingmatilda Gear & Maintenance 3 05-05-2010 09:08 AM
Outboard: Buying, Type & Fitting omega001 Gear & Maintenance 11 11-10-2006 10:09 AM
Dingy Outboard Motor rclampitt Cruising & Liveaboard Forum 0 01-10-2003 06:38 PM
Permanent gas line fittings for outboard? BallastBoy Gear & Maintenance 2 04-08-2002 04:26 PM
Help with Mariner Outboard kokerj Gear & Maintenance 0 04-02-2001 12:28 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome