Milky Oil ?
#1
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Milky Oil ?
Hi people,I'm looking at an item on e-bay and it has a 13hp honda air cooled 4 stroke engine.The seller states that after a little while the oil turns milky and needs to be changed more often then usual, what do you think would cause this to happen.I have some theories but I will not drag this thread out with them.Maybe a crack in the case and during equipment clean up, water enters the crankcase? Its a concrete power buggy.
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Water in the oil will do that.
Air cooled? Then its not getting run long enough to heat it and dry things out, plugged breather, kinked breather tube. If propane fueled, same thing, not running long enough to get it warm. Parked outside, rain getting in through the exhaust system?
If radiator cooled, cracked head, water pump (if gear driven), cracked block.
Air cooled? Then its not getting run long enough to heat it and dry things out, plugged breather, kinked breather tube. If propane fueled, same thing, not running long enough to get it warm. Parked outside, rain getting in through the exhaust system?
If radiator cooled, cracked head, water pump (if gear driven), cracked block.
#4
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I would think that fuel would not make it milky,it would have to be moisture of some sort.Fuel would only thin out the oil.But I am just tring to figure out how its getting into the crankcase on an air cooled motor.
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It's getting water. It's probably sitting outside.
I let my rider sit out side for the winter a couple years ago and everything filled up with water . Opps.
I let my rider sit out side for the winter a couple years ago and everything filled up with water . Opps.
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yeah I have a couple small engines like that too. I just kill the gas valve and let them run till they die.
But gas has never made the oil milky on mine. Just kinda thin and grayish in color. Another sign of gas in the oil is when you check the oil it has like an extra half gallon of oil and smells like gas .
But gas has never made the oil milky on mine. Just kinda thin and grayish in color. Another sign of gas in the oil is when you check the oil it has like an extra half gallon of oil and smells like gas .
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Engines can get enough moisture in the cylinders and crankcase just by the humidity in the air if left sit out in it long enough. If one of the valves are open ... air is gonna get in there and water will condense. Alternating heat & cold does some wierd things to the moisture ... like turning the oil milky.
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