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2003 Dyna Glide oil syphoning

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Old Dec 14, 2018 | 05:15 PM
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Default 2003 Dyna Glide oil syphoning

I m trying to help out a friend when he parks his bike in the fall ,over the course of the winter the oil drains from the tank and fills the crankcase with engine oil ,Harley is telling him that its normal .any body else have this problem Thanks in advance

 
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Old Dec 14, 2018 | 06:10 PM
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Welcome to the forum, feel free to let us know yr, model, mods and mileage of bike we are talking about. If it’s an evo, the oil pump ckeck ball is stuck or has debris on it causing oil to seep past, they are not supposed to do this...twin cams are set up a bit differently but again they are not suppose to do this....time to get the wrench’s out...
 
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Old Dec 14, 2018 | 07:34 PM
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+1 with crusader, the oil will sometimes "sump" to the bottom of the engine. Harley engines are known as a dry sump engine. It's a problem within the EVO engine family. All three of my Twin Cams have not done this over the winter.
 
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Old Dec 14, 2018 | 07:57 PM
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Dyna? ... Are you sure it's not a Softail or Sportster?
 
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Old Dec 14, 2018 | 10:53 PM
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Originally Posted by multihdrdr
Dyna? ... Are you sure it's not a Softail or Sportster?
pretty hard to sump a Dyna, the oil tank being under the transmission ... Evos included.
 
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Old Dec 14, 2018 | 11:05 PM
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Yeah ... I know
 
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Old Dec 14, 2018 | 11:30 PM
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Originally Posted by multihdrdr
Yeah ... I know
agreeing with you.
If a Dyna is sumped I’m guessing it was shut down that way.
 
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Old Dec 15, 2018 | 05:25 AM
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Originally Posted by apples402

agreeing with you.
If a Dyna is sumped I’m guessing it was shut down that way.
In which case he has an "oil scavenging" problem.
 
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