Painting Outboard Motor

R

Rob & Karen

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Nov 24, 2006
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C Dory Year
2007
C Dory Model
22 Cruiser
Vessel Name
Life of Riley
My neighbor has an older (10-12 years?) 2-stroke 115 Johnson outboard on a boat that stays in fresh water full time. The lower end of the engine is pitted and he would like to clean it up and repaint it. The question he has is whether or not a particular paint is required, or can something from the hardware store be used? Any suggestions? Thanks.

Rob
 
There are spray paints from Tempo which are designed for outboards. They seem to last well and be compatable with the paint on the motors. if it is down to bare metal, or you want to completely strip the motor, then you will want to use a primer. For the pits, they need to be wire brushed out clean, cleaned with laquor thinner, then sanded with wet and dry to give a good tooth. Then JB weld works as a great filler. After the J B weld, then sand again. Get it smooth wiht up to 1000 grit paper, use wet and dry to keep from clogging. The surface prep is important. Then use strontium chromate primer (Zinc Chromate or zinc phospate have been also used), but I prefer epoxy Strontium Chromate Primaer. Alodine might be a good surface prep, but with the primer alone I have had excellent results. After the primer, a very light sanding, and apply at least 4 color coats. If the color coats are metalic, then clear coat with at least 2 coats. I have had this technique last years in salt water.
 
He Bob right on.the only thing i did different after scraping cleaning and painting for 20 years in the good old US Navy was neutralize everything with vinegar before painting with the chromate.

Arnold HUFF the owner of LOOSE NUT :roll:
 
Rob.... are you sure you and Karen are not really just wanting to make that Mercury look like a Yamaha or Honda? :mrgreen:

Byrdman
 
arniehuff":2etkb84m said:
He Bob right on.the only thing i did different after scraping cleaning and painting for 20 years in the good old US Navy was neutralize everything with vinegar before painting with the chromate.

Arnold HUFF the owner of LOOSE NUT :roll:
Click to expand...


Hey Arnie, you forgot the chipping hammer and needlegun!

Charlie (USN, Ret)
 
What, no redlead?
 
The redlead was for use on steel bulkheads and decks

LOOSE NUT
 
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