Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums - View Single Post - Engine Smoking, fuel coming out exhaust.
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post #6 of (permalink) Old 01-07-2017, 05:13 PM
One1
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Only damage you'll get from hydrolocking is on startup Running just pushes it out the engine. If it back flows into the oil and thins it out you can cause damage running an extended time with the engine full temp under load for long distance with low viscosity, but idling for a few mins isn't going to damage it at all.

In my personal experience this engine doesn't want to start when hydrolocked from fuel and just acts like a dead battery, giving a clear indication of resistance in the engine. So either it starts and pushes the fuel out or doesn't rotate due to the strength (or lack thereof). The starting components of this bike don't seem strong enough to bend anything when hydrolocked.

My float needles had to be replaced last summer due to flooding the rear cyl. The rubber was good, but the spring in the rear needle had lost most of it's tension.


1981 KZ750
1988 Vulcan VN750 (red)
2005 Vulcan VN750 (silver)
(2) 1994 Vulcan VN750 (red)

Engineering solutions for the VN750 Community.

Last edited by One1; 01-07-2017 at 05:18 PM.
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