Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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Oil in airfilter 883 sportser

I hafe oil in my airfilter engine runs rough

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  • ejbackinga Oct 13, 2008

    Mitchy123,



    Thanks. I've acutally found that response common amoung harley owners now that i've ask around.



    There seems to be a clattering or knocking in my left ear. I don't hear in in my right ear cause of the pipes. Is that common too? One of the guys that's worked on it says if you don't want to hear a noisy engine get louder pipes.



    All I know is it doesn't run right and I can't seem to find anyone who will fix it.



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Everyone has oil in their airfilters. Harleys are engineered to vent the crankcase thru the carberator. Some oil will get into the filter. There is nothing wrong and thats not whats causing your bike to run ruff unless u have a paper filter thats clogged with oil, in which case I would recommend replacing it with an after market filter that is designed to be oiled like from K & N which are washable and reusable .

Posted on Oct 12, 2008

  • Mel Jacobson
    Mel Jacobson Oct 14, 2008

    You might be hearing noise from the primary ( which is on the left) and you shouldnt. The first thing I would do is buy a service manual for your model, if you want to do the work yourself. Fouled or cracked plugs will commonly cause a bike to run rough, and those are easy and inexpensive to check. I would also check the primary for fluid. Very easy to do as well.

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Oil leak


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Chosing Automobile Engine Oil


There are many types of oil on the market from many different makers and each will claim to be the best oil for your car. They'll claim to have the best year-round protection even when they don't know where you live. As engine technology improves, perhaps the oils will improve too. Until then, here is this...

When chosing oil for any type of engine, the important thing to consider is the thickness of the oil which is identified by the oil's "weight.". The higher the weight - the thicker the oil. Got it?

Engine oil serves two functions. It lubricates the moving parts, and it helps keep the engine from overheating by reducing friction between those moving parts. When you pour oil in your engine, it drains right down to the bottom and settles in the oil pan. When you start your engine, that oil is basically splashed around to coat whatever is near.

Oil behaves like pancake syrup. When it's warm, it's thin and runny. When it's at room temperature, it's thick and not quite as tasty. A thin oil (low weight) it will drip back down into the pan more quickly than a thick oil and therefore won't cling to those moving parts quite as long. The hotter the engine gets, the thinner the oil gets. So, you need an oil that will be as thick as your engine can handle so that as it heats, it won't become too thin. If you live in a climate that is hot year-round, use a thick, high-weight oil.

Some will say that if the oil is too think, it won't run down fast enough to carry away the heat from the engine. Yes, that is true. However, oil is not designed to cool the engine. Oil is designed to prevent heat buildup. There is a big difference. Oil is not a remedy for heat, it is a prevention of heat.

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1972 shovelhead engine needs spark plugs and oil!


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1 Answer

1 qt oil every 1000 miles


kev, check you have the right level on your dip stick, oil must be on upper mark when donk cold.also ensure you are running the correct oil weight for your donk.
engine may be running hot; which means one way oil can go missing is its being burnt.
also check your primary drive,clutch oil level ,not sure as i have 80cube evo, but you may find your oil in there due to bad oil seal internally. im no expert but these may be of help.
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