2019 CVO Engine issues
Grand HDF Member
Joined: Aug 2014
Posts: 4,725
Likes: 1,787
From: Toledo ohio
You have 2 major problems there. One is the sumping, and the other is the guy trying to film it. LOL
Member
Joined: Jul 2009
Posts: 4,310
Likes: 1,079
Yeah, they were caught by surprise as they were opening the crankcase. The oil was boiling so badly it sprayed the guy filming and burned the other tech opening the CPS. Pretty crazy stuff.
Member
Joined: Jul 2009
Posts: 4,310
Likes: 1,079
Its super-heated because of friction. The crank and rods are trying to slosh their way through a bucket of oil. The rider tries to maintain speed and gives slightly more throttle without even knowing he's doing it. The friction rises higher. So do the temperatures. HD took away oil pressure and temp gauges and forced everyone to idiot lights. There's no way for the rider to really even know the engine is overheating until its too late. And the damn idiot lights don't even give the rider a hint that there's a problem until there's catastrophic failure. Eventually the oil starts to boil and once its released to atmosphere it boils even more.
Last edited by Heatwave; Sep 26, 2018 at 10:58 AM.
Tourer
Joined: Mar 2015
Posts: 406
Likes: 181
From: xyzzy
Those two videos sure look nasty. I'm curious if anyone has measured the temperature of the boiling oil coming out of a sumping engine? I did a quick search on the temperature at which engine oil boils (no doubt it varies a bit) and what I found was the semi unbelievable number of 572 degrees F! That is nothing short of incredible. Not so much the temperature itself but that the oil was that hot inside the poor engine. I would think oil at those temps would have no lubricating properties at all and it would be more than a minor miracle for any bearing/sliding part of the engine coming in contact with that super heated oil to survive unscathed never mind any rubber or plastic parts that the oil touches. But folks do say their engine survived their particular sumping event. At least that what the crack H-D technicians are telling them. Maybe if you catch it really quick. Still it kinda makes me wonder about that. Sheesh!
Club Member
Joined: Mar 2009
Posts: 66,114
Likes: 51,397
From: Niles Canyon Ca.
$5 says synthetic oil, looks like water when hot.
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Member
Joined: Jul 2009
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The first oil sumping video is from a 2019 CVO RG. Its an air cooled bike so there is no source of water inside the engine to mix with the oil. All CVOs come with Syn3 from the factory and since the bike hasn’t had its 1000mile service it likely has the same oil in it that was in it from the factory.