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  Corrosion Protection Used on Evinrude E-TEC G2 Engines

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Author Topic:   Corrosion Protection Used on Evinrude E-TEC G2 Engines
conch posted 05-16-2015 03:33 PM ET (US)   Profile for conch   Send Email to conch  
While watching a recorded presentation about the new Evinrude E-TEC G2, I learned that the mounting bolt holes for the lower unit to the midsection were enlarged, and, in the slightly larger diameter holes, a short sleeve is placed to insulate the stainless bolt from the aluminum housing. This is something I will begin to do at the next water pump change.

I already did a version of this while mounting Taco outrigger bases, except I used a short length of shrink tubing on the bolt and some nylon washers under the four stainless steel bolts.--Chuck

Whalrman posted 05-16-2015 08:30 PM ET (US)     Profile for Whalrman  Send Email to Whalrman     
Coat the lower unit bolts with BRP Triple-Guard grease before installing. Just do not put grease on the ends of the bolts. Also the propeller shaft could use a coat of this grease to ease prop removal. If you remove the anode bolts, do the same thing to these with the Triple-Guard grease.
contender posted 05-16-2015 09:32 PM ET (US)     Profile for contender  Send Email to contender     
I use the Triple-Guard on everything. Any time I have to change a water pump or parts on the engine, the bolts get clean, I tap out the holes, if needed. and then use the Triple-Guard
seahorse posted 05-17-2015 08:30 AM ET (US)     Profile for seahorse    

The G2 gearcase is retained by studs, thus the fiber inserts to minimize salt buildup and subsequent "freezing" of the gearcase to the midsection.

If anyone has ever had to remove salted up studs on a Mercruiser gearcase or a Yamaha lower unit and extension piece with studs, they will appreciate what Evinrude has done for the technician.

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