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post #1 of 21 (permalink) Old 06-27-2014, 03:28 PM Thread Starter
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oil mist blow by

2012 CVO Road Glide with 110CI engine
When I ride hard oil spatters show up on the engine and pipes behind the intake area. This only occurs with pushing the rpm's or highway running 85 to90 mph. Is this normal or is there something wrong. Seems to run good.
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post #2 of 21 (permalink) Old 06-27-2014, 03:30 PM
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Stock air cleaner? Mine don't do this and I run 80+ regularly

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post #3 of 21 (permalink) Old 06-27-2014, 03:33 PM
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I have a '12 RG CVO and it does not do that, I push 80 to 90 regularly ... actually all da time 😜
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post #4 of 21 (permalink) Old 06-27-2014, 03:40 PM
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if its coming from the ac, your oil level might be a little too full,

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post #5 of 21 (permalink) Old 06-27-2014, 07:51 PM
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My 110 & 113 did it ~ saturated the air filter and then would drip.... The cause is crankcase pressure ~ not sure of the cure. Scott or one of the builders may be able to provide some solutions. The 124 does not do it ~ apparently S&S has figured out how to vent the crankcase....

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post #6 of 21 (permalink) Old 06-27-2014, 08:20 PM
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I see some guys say if you add oil to the middle of the full area instead of the top of the mark , it will help considerably.

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post #7 of 21 (permalink) Old 06-27-2014, 10:55 PM
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++ on oil level. Check it when the engine is hot. If any blow-by, and anywhere close to top of full, use a kitchen baster and pull a little out. We have a tendency to think more is better.

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post #8 of 21 (permalink) Old 06-27-2014, 11:48 PM
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post #9 of 21 (permalink) Old 09-12-2014, 02:48 PM
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I have a 2012 RGU and it's been puking oil since about the 1000 mile mark (now has 10,000) and everytime I talked to the dealer they just kept tell me to much oil, to much oil take some out. I did what said each time and it just never stopped even with the oil level 3 notches below the mid point. Finally the end of June this year the factory warr. was almost up and I just said do something. They went thru the top twice an each time it was good for about 200-300 miles and would start again. The second time was just before I left for a 3000 mile trip out east and the frist day was good, second day it started puking again. Got home three weeks ago dropped it off and said call it a lemon or fix. They went thru the motor from top to bottom and could find nothing wrong, tried to call it operator error. This past Tue they called The Motor Co and they gave them some things to check---turns out both cylinders are egg shaped. So new jugs and rings are on order. So, point being have your dealer do a leak down test you may have a bad jug. Hope this helps.
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post #10 of 21 (permalink) Old 11-06-2014, 12:06 PM
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I had the same problem with my 2011 Road King. It had nothing to do with the oil level but the oil return. The dealer said that some bikes do it when being rode hard and or long. They bored the return a bit larger and it still happened but not as much.
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