Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums - View Single Post - Oil light on, and previous coolant issue.
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post #2 of (permalink) Old 11-15-2019, 11:35 AM
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Hopefully it is the sending unit and not the oil pressure. That is usually the case. Check the oil level in the sight glass with the engine off. It should be completely full. If there is no little bubble at the top of the sight glass, lean the bike to the right just a little. You can do that with it on the centerstand. Being a little bit over full will not affect oil pressure. But just to make sure there is oil in it, I would remove some until you see that little bubble at the top of the sight glass. Then leaving it on the centerstand, start the engine, and QUICKLY get down and check the sight glass, or get someone else to start the engine while you are watching the sight glass. The oil level should quickly drop almost to the bottom. If it does, you have oil pressure. Sometimes dirt gets into the sending unit. It can be removed and cleaned with spray brake or carb cleaner. Wear face protection. Also make sure you have the right filter. A broken coolant tank will have no effect on oil pressure. Remember the Vulcan 750 holds a GALLON of oil, more than some cars.

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
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