Sumping?
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Road Master
Joined: Feb 2014
Posts: 1,240
Likes: 170
From: Wisconsin
Sumping?
I have a Limited with 12000 miles.Stage ll and I have never noticed sluggish operation.But,after the last two oil changes,I have found the crankcase over full by one half quart.1000 mile oil change was done at the Dealer.Did not notice any problem.Then stage ll was installed.Next oil change was done by Dealer and I checked the oil a couple of days later.It was a half quart overfull.So I sucked out a half quart and rode.Next oil change I did Myself.And Yes,I filled it properly,ran and rechecked oil level after operation.Checked several days later and it was one half quart over full.So I sucked out a half quart.What's going on?Is there sumped oil left over in the engine after draining?
Thread Starter
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Road Master
Joined: Feb 2014
Posts: 1,240
Likes: 170
From: Wisconsin
Not a softtail,only one plug.
Road Warrior
Joined: Jul 2014
Posts: 1,584
Likes: 520
From: VA
Maybe a dumb question. But did you change the oil when it was really hot? If not sometimes you wont get the oil out of the the oil cooler. Have had that throw me off before. But I admit I am not familiar with how the M8 dressers with the oil coolers work.
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,863
Likes: 7,982
From: poway
More important is to fill to mid stick, take the motor out and get it hot then check and add as necessary. Stick reads fuller hot than cold..
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Road Master
Joined: Feb 2014
Posts: 1,240
Likes: 170
From: Wisconsin
I disagree,With todays oils level is the same hot or cold.
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Seasoned HDF Member
Joined: Dec 2005
Posts: 19,863
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From: poway
No difference between today oils and yesterdays as far as coefficient of volumetric expansion.. The difference between it and aluminum is about 0.00033 / degree F. That would account for about 1/4 to 1/3 qt.. The other part could be from general oil viscosity and it clingy-ness to internal parts in the motor.