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I generally change the oil in my bikes about every 5,000 miles and use Syn3. Last summer I ended up car pooling with my son quite a bit and so did not put too many miles on the bikes. So now I'm wondering if I should change the oil based on time rather than mileage. I know oils can also breakdown over time due to moisture intrusion, etc
Your engine oil serves to flush by-products of combustion out of the motor. Some of these compoundsare corrosive. Before you put the bike away for the winter, I'd do an oil change. Make sure to put 10-15 miles on the bike after you make this last oil change. My 2 cents..
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