140 D-Gas in oil, a bunch

[Billybird1]

05' 140 suz-Definitly gas is oil-Read about this--On this forum a few years back. Can't find thread. Most responses narrowed the problem down. I can't remember what it was. Any help for gas in the oil...Thanx

[artdf175]

Float valve in the high pressure pump
If not adjusted correctly on sticks open fuel dumps via the overfill hose /breather tube into oil
Art

[Seaduck]

Mine was bad needle and seat in vst tank. Pull the overflow line that runs from the vst up to crankcase near thermostat. I drill a hole in a soda bottle cap and place the hose in the bottle. Fire up the motor and watch. Good luck

[Harper]

Second possibility, but less likely than that mentioned, is a ruptured diaphragm on the low pressure fuel pump. Check both to be sure.

[WEDOCQ]

Second possibility, but less likely than that mentioned, is a ruptured diaphragm on the low pressure fuel pump. Check both to be sure.

This is how I was getting gas into my crankcase. The pump is mechanically driven my the camshaft. A leaky diaphragm was allowing gas to mix with the oil.

-Shawn

[Billybird1]

Thanx everyone...Would love to be able to print out a schematic overview of 140 suzuki motor---Suggestions....

[WEDOCQ]

Thanx everyone...Would love to be able to print out a schematic overview of 140 suzuki motor---Suggestions....

I bought a PDF manual on Ebay for my DF140. Money well spent!
-Shawn