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Join Date: Nov 2007
Location: Chandler, Arizona
Fortunately most of the oil stayed in the reservoir. Oil is lighter than coolant, and floats on top. But I would go ahead and drain the whole system, flush it out with distilled water, and put in new coolant anyway, not just because of that, but since you just bought the bike, you have no way of knowing what is in there. I would also do an oil and filter change, change the oil in the final drive gearcase, and the most important thing, the spline lube.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike