Clear derby cover - Road Glide Forums
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post #1 of 30 (permalink) Old 05-05-2019, 11:15 PM Thread Starter
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Clear derby cover

Anybody using one of these ? I've looked at a bunch of them watched a few videos kind of leaning towards the one barnett has with nothing obstructing the view. I've got an 18 Road Glide and after I did the 1k oil change i had no sumping issue.When i did the 5k kinda late last fall i didn't do the primary.Over the winter i did a stage 2, so fast forward to yesterday after putting on about 1K this spring I went to change the primary oil and noticed I do have some sumping going on.I would guess less than a half cup worth drained out before it quit.So being that I did the stage 2 myself I knew going in that I would be voiding my warranty but I didn't give a crap. So I'm going to install one of these clear covers and monitor that issue without having to pull the primary cover to see what's going on until the Mothership start selling these breathers that are supposed to be the fix ? Besides that the primary oil I use is red so it would look kind of cool like it was bleeding LOL any inputs greatly appreciated guys and thanks for reading.
Mike
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post #2 of 30 (permalink) Old 05-06-2019, 06:00 AM
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Sumping or transmission oil transfer? Not sure how you were able to determine sumping via the primary cover.
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post #3 of 30 (permalink) Old 05-06-2019, 06:11 AM Thread Starter
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I thought the two were the same? I must be missing something here ?
 
post #4 of 30 (permalink) Old 05-06-2019, 06:22 AM
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I thought the two were the same? I must be missing something here ?
I think you are talking about the fluid transfer issue; that is, the transmission fluid migrating to the primary. The sumping issue is completely different. I guess a clear primary cover would allow you to see if a large amount of fluid had gone into the primary but it would be just as easy to check your transmission dipstick. I wouldn't get a clear derby cover as a means of diagnosing a mechanical issue. Get it if you like the look.
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post #5 of 30 (permalink) Old 05-06-2019, 06:34 AM Thread Starter
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Ok,explain the sumping thing if you would
all i know is what I've read,just because i can read doesn't mean it's sinking in to the right brain cells lol.
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post #6 of 30 (permalink) Old 05-06-2019, 08:10 AM
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Ok,explain the sumping thing if you would
all i know is what I've read,just because i can read doesn't mean it's sinking in to the right brain cells lol.
On the other forum, you can find more threads about sumping than you may have time to read. They are obsessed with it over there. Under the M8 section.

As far as transfer is concerned, if you have that issue purchase the fat clutch rod. And, purchase the easy screw out trans dipstick to keep an eye on your trans fluid level.


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post #7 of 30 (permalink) Old 05-06-2019, 08:30 AM
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sumping is when the suction side of the oil pump does not remove enough oil from the crankcase , the flywheels aerate the oil in the crankcase ..

If you do nothing but short rides , you may never know it , as you ride more oil builds up in the case and you have a power loss because of all the oil in the case , and the flywheels cant overcome the oil , eventually there is so much oil in the crankcase that the motor seizes because there is no oil for everything else ..

Thats a short version overview
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post #8 of 30 (permalink) Old 05-06-2019, 05:15 PM
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sumping is when the suction side of the oil pump does not remove enough oil from the crankcase , the flywheels aerate the oil in the crankcase ..

If you do nothing but short rides , you may never know it , as you ride more oil builds up in the case and you have a power loss because of all the oil in the case , and the flywheels cant overcome the oil , eventually there is so much oil in the crankcase that the motor seizes because there is no oil for everything else ..

Thats a short version overview
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post #9 of 30 (permalink) Old 05-06-2019, 10:40 PM
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The Barnett Derby Cover does have a purpose other than the appearance. It allows more clearance for high performance clutches that will not clear the factory derby cover. Otherwise you have to use a 1/4 inch spacer with the factory Derby cover for some high performance clutches. And it allows you to see your hard earned dollars spinning around in your primary.
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post #10 of 30 (permalink) Old 05-07-2019, 12:01 PM
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Are you sure that the barnett clear cover will work on a 2016 RGS??

Couldn't find one to fiy on their site.
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