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Mdm
| Posted on Tuesday, July 31, 2007 - 09:30 pm: |
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SUS Viscosity, is that a bad number ?? Oil was changed before last winter storage, sat 3-4 months before the spring.
![report](http://www.badweatherbikers.com/buell/messages/32777/296557.gif) (Message edited by mdm on July 31, 2007) |
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Hughlysses
| Posted on Tuesday, July 31, 2007 - 09:46 pm: |
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This shows that the oil dropped from a 50 weight to a 40 weight in 2000 miles. This is usually attributed to "shearing" (the oil molecules being broken apart by parts in the engine like the rotor in the oil pump). I wouldn't think this is any big deal; 40 weight is certainly sufficient to protect the engine. OTOH, you wouldn't expect synthetic to lose much viscosity at all in 2000 miles. A decent conventional 20W-50 oil should do that well. Post it to the forum at www.bobistheoilguy.com if you REALLY want some in-depth analysis. |
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