2010 Ultra Classic engine problem
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Novice
Joined: Oct 2009
Posts: 23
Likes: 0
From: Winston Salem NC
2010 Ultra Classic engine problem
My 2010 Ultra Classic while with only 21000 miles on it busted an oil pump on the way back form strugis in August of 2010. Well the rear cylinder shut off and I lost power. But because I was in the middle of no were in at 3AM I continued to push on. Well then I regain power and continued home. On the checks by the local shop computers it showed my bike was ok. After insistiing on futher test I was discovered the back cylinder was worn too much on that search it lead to finding a broken oil pump and damaged cams and loads of problems. The engine was covered under warranty. But 5000 miles later the bikes started leaking oil from the base gaskets on the removel it was found the rear rod was seiging on the crank. The damage was probably done when the oil pump was broken. There seems to be a pinion shaft problem causein these bikes to break. Harley is aware of the problem but has not made it public
Outstanding HDF Member
Joined: Aug 2010
Posts: 3,486
Likes: 6
From: Union,Ms
My 2010 Ultra Classic while with only 21000 miles on it busted an oil pump on the way back form strugis in August of 2010. Well the rear cylinder shut off and I lost power. But because I was in the middle of no were in at 3AM I continued to push on. Well then I regain power and continued home. On the checks by the local shop computers it showed my bike was ok. After insistiing on futher test I was discovered the back cylinder was worn too much on that search it lead to finding a broken oil pump and damaged cams and loads of problems. The engine was covered under warranty. But 5000 miles later the bikes started leaking oil from the base gaskets on the removel it was found the rear rod was seiging on the crank. The damage was probably done when the oil pump was broken. There seems to be a pinion shaft problem causein these bikes to break. Harley is aware of the problem but has not made it public
Seasoned HDF Member
Joined: Mar 2009
Posts: 24,753
Likes: 9,276
From: Snow Hill, NC
I would be of the opinion of post #2....if oil pressure drops and the bike operated differently then stopping is the only way to prevent damages....Who knows what happened other that what has reared it's ugly head up to now???? Time will tell...
Ultimate HDF Member
Joined: Dec 2007
Posts: 9,254
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From: Lake City, Florida (Native)
I would think a replacement engine under warranty is due .. Is true as stated, when you drop oil pressure suddenly, Stop the Bike ... Even if in the middle of nowhere at 3AM Not pleasant, but things that cause a sudden drop oil pressure usually end up in a seriously damaged engine..
Have not heard about the pinion shaft problem before although suppose it's possible ..
Have not heard about the pinion shaft problem before although suppose it's possible ..
Ultimate HDF Member
Joined: Feb 2010
Posts: 8,039
Likes: 1,305
From: Jayhawk Country
If that motor would have seized up completely when you were riding it you would have had your hands full. As others have said, when the oil pressure dropped you should have parked it.
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Road Master
Joined: Jun 2010
Posts: 1,221
Likes: 4
From: Annemasse (border of Geneva-Switzerland) facing Mt-Blanc.
Does this mean the engine can keep running when no oil pressure is detected? Why have sophisticated OBD codes that are automatically reset and become useless after 'N' occurrences? It can be dangerous to stop the engine without prior warning but we could perhaps have the warning lights come on to know we have a problem and acknowledge the alarm by turning them off. I don't keep my attention on the oil gage and while driving against direct sunlight since I have the black gages and I can't easily read the instruments. This is why I bought the cruise control 
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Road Warrior
Joined: Aug 2010
Posts: 1,268
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From: Detroit, the asshole of America
Most manufacturers will sacrifice the hardware to protect the customer. They'll continue to let the engine run to allow you to get to someplace safe, even if it means they're replacing an engine under warranty.
Road Master
Joined: Jun 2010
Posts: 1,221
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From: Annemasse (border of Geneva-Switzerland) facing Mt-Blanc.
