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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

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Boat Winterization Procedures

You are Here: Tech Library > General Marine Technical Topics > Boat Winterization

Performance Product Technologies Question & Answer Forum

Topic: Boat Winterization

Question: What Is boat winterization? How do I winterize my boat?

	Response: True boat winterization entails much more than just draining the water. Boat Winterization includes refilling the engine with propylene glycol to inhibit corrosion, fogging the engine, draining the sterndrive, stabilizing the fuel system, etc. To make sure the sterndrive drains, Mercury recommends using a piece of wire to clear any unwanted debris from several different drain holes located on the sterndrive. These include the speedometer “pitot” tube, trim cavity vent hole, trim cavity drain, gear housing water drain, gear housing cavity vent, and the gear housing water drain holes.
One common item customers fail to associate with boat winterization are the associated aspects of the outdrive unit itself. The picture below illustrates a typical Alpha Generation 2 unit that was not drained before freezing temperatures set in. In this particular case the customer simply forgot to trim the drive to the downward position which allows the exhaust cavity of the drive to drain.
Note: This picture is unique in the fact that normal freeze damage will occur parallel to the propshaft. It's possible in this case that freeze damage occurred, which then lead to ultimate and more visible mechanical failure.

Select this link to enter our library to see Step By Step WINTERIZATION instructions for a variety of different MARINE ENGINE MODELS.
If you do not find the specific information you are looking for on this page you can go to our technical newsletter on Winterization which contains much more detailed information and specific procedures.

Please contact us today at (405) 533-3812 if we may assist you with your boat winterization needs.

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Technical Articles

Topic: Boat Winterization

Question: What Is boat winterization? How do I winterize my boat?

If you do not find the specific information you are looking for on this page you can go to our technical newsletter on Winterization which contains much more detailed information and specific procedures.

Please contact us today at (405) 533-3812 if we may assist you with your boat winterization needs.