Thread: Opti-2
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Old 01-10-2018, 11:18 AM
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tkwalker tkwalker is offline
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Join Date: Apr 2005
Location: Lebanon, Tennessee
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Smile Yep ... <'TK><

Originally Posted by Buccaneer View Post
For $66 per gallon I think I'll stick with Evinrude XD-100 from

Then there is this theory also:
Don't use an oil designed for air cooled 2-strokes in a water-cooled 2-stroke outboard and vise versa. An outboard has a cooler operating temperature than an air cooled 2-stroke engine.
All outboard oil manufacturers blend in to their oil a synthetic additive. You will notice, it is listed on the container ... TCW-3. It stands for Two Stroke Water cooled -3rd upgrade. It controls a number of things during combustion some of which is ash and other residues and adds more lubrication. <'TK><
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