Rivernut Posted May 19, 2009 Share Posted May 19, 2009 First oil injected motor. 25 Yamaha, '88. What oil to use and can you mix syn. with regular. Has a little in it now, and want to add. Not sure what is in it. Thanks Quote Link to comment Share on other sites More sharing options...
thedeadsea Posted May 19, 2009 Share Posted May 19, 2009 You can use any quality TCW-3 rated 2 stroke oil on the market currently and shouldn't have any problem. You won't notice a difference between synthetic and regular oil on your motor.Steve Quote Link to comment Share on other sites More sharing options...
Rivernut Posted May 19, 2009 Author Share Posted May 19, 2009 Thanks,I also contacted 2 dealers today, and they said the same thing. You can use either, regardless of what is in it now. Just keep using the same type after that. Thanks again, Mike Quote Link to comment Share on other sites More sharing options...
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