Re: Oils for a 1989 Merc Blackmax 150

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Posted by TerryL ( on October 09, 2005 at 10:28:47:

In Reply to: Oils for a 1989 Merc Blackmax 150 posted by Ray on October 08, 2005 at 16:20:10:

I have a '93 Blackmax 135, and agree with Ed's post that the Pennzoil synthetic blend may be ideal. In my case, it has nearly eliminated the motor propensity to foul plugs at low rpm, and greatly reduced visible smoke. It is, as Ed pointed out, more costly than regular TCW-3, but far less than pure synthetics. Just turned over the 1200 hour mark on mine with no glitches once I solved the plug fouling problem by using the blend.

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