Oil pressure light on and bike now knocking
Thread Starter
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Intermediate
Joined: Jul 2022
Posts: 28
Likes: 6
From: Canada
Oil pressure light on and bike now knocking
First off apologies if this is posted on wrong section as Im new to the forum.
2006 Harley roadking custom with 48000km bike has been well kept and always up to date on services. Bike has ran without many issues since 2006 minus batteries lol.
Took bike in the other day for mvi,new plugs,oil change. Drove for about 80km after service was done and next thing I know I hear a knocking noise and look down to find oil light on. Pulled over off highway instantly and inspected bike. Found that oil levels were fine. Couldnt tell at that time due to it being dark out that oil also has metal in it.
i do realize that this could have just been its time but what are chances it ran so smooth for so long with no ticks or knocking and now after oil change and plug change she decides to go.
i will be taking oil to be tested to make sure right velocity oil used in first place.
Anyone have any ideas what may have gone wrong. Cheers in advance
2006 Harley roadking custom with 48000km bike has been well kept and always up to date on services. Bike has ran without many issues since 2006 minus batteries lol.
Took bike in the other day for mvi,new plugs,oil change. Drove for about 80km after service was done and next thing I know I hear a knocking noise and look down to find oil light on. Pulled over off highway instantly and inspected bike. Found that oil levels were fine. Couldnt tell at that time due to it being dark out that oil also has metal in it.
i do realize that this could have just been its time but what are chances it ran so smooth for so long with no ticks or knocking and now after oil change and plug change she decides to go.
i will be taking oil to be tested to make sure right velocity oil used in first place.
Anyone have any ideas what may have gone wrong. Cheers in advance
Seasoned HDF Member
Joined: Mar 2010
Posts: 38,416
Likes: 6,366
From: Honah Lee
Dealership needed a new cash cow? First thing I would check is battery voltage and connection at battery but if the lifters are clattering from low oil pressure, sounds like the oil pump broke.
That's just under 30,000 miles. It's not time. I think your bike has the link chains on the cams. They need the tensioners replaced every 10 years or 50,000 miles or so.
They need checked at 25,000 miles so you know how they are wearing with your driver style. Little old lady gets 50K.. Rev-limiter gets you 48,000km if you are lucky
Did you buzz the rev-limiter?
PS. Make your next new post over in the new member area.
Just in case...
Welcome from North Beach, FL., USA!
Just in case you have not done this.
Add a Signature Line in your USER set up for your bike year, model, and all the letters that Harley recognizes it with so others see at the bottom of all your post. This enables others to know your exact model if you ever ask a question.
And an Avatar of your favorite shot in the USER set up for the small picture others will see in the top left corner of your post.
Your all set.... Enjoy the ride! ______________
That's just under 30,000 miles. It's not time. I think your bike has the link chains on the cams. They need the tensioners replaced every 10 years or 50,000 miles or so.
They need checked at 25,000 miles so you know how they are wearing with your driver style. Little old lady gets 50K.. Rev-limiter gets you 48,000km if you are lucky
Did you buzz the rev-limiter?
PS. Make your next new post over in the new member area.
Just in case...
Welcome from North Beach, FL., USA!
Just in case you have not done this.
Add a Signature Line in your USER set up for your bike year, model, and all the letters that Harley recognizes it with so others see at the bottom of all your post. This enables others to know your exact model if you ever ask a question.
And an Avatar of your favorite shot in the USER set up for the small picture others will see in the top left corner of your post.
Your all set.... Enjoy the ride! ______________
Last edited by Jackie Paper; Jul 23, 2022 at 05:20 PM.
Thread Starter
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Intermediate
Joined: Jul 2022
Posts: 28
Likes: 6
From: Canada
Much appreciate the response. Actually I think the battery needs replacing as well. Bike started fine before leaving for trip but then when I pulled over to check bike over when I tried to restart bike wouldnt catch to start.Had to put booster pack on her to restart just to hear the knocking again. Will test battery once I get it back home. Just doesnt make sense as the first part of trip the bike ran so smooth and then hour down the highway it decided to go
For most part the bike was babied. And havent hit the rev limiter in many years . Last time was Daytona beach 2008 lol.
The metal flakes in oil is what got me really concerned and sounding like a short riding season for me. Will have bike home tomorrow and will be able to dig into it a bit more on Monday and will report back. Hopefully something stupid but doubt it
For most part the bike was babied. And havent hit the rev limiter in many years . Last time was Daytona beach 2008 lol.
The metal flakes in oil is what got me really concerned and sounding like a short riding season for me. Will have bike home tomorrow and will be able to dig into it a bit more on Monday and will report back. Hopefully something stupid but doubt it
Seasoned HDF Member
Joined: Jun 2017
Posts: 5,315
Likes: 4,272
From: Granville New York
Unfortunately it sounds like a cam tensioner shoe has gone out on you. As far as checking them at 50k or 10 years I wouldn't risk ruining my motor by going that long without checking them. Better idea with the earlier twin cam is to just upgrade those with one of the options available. Depending upon your budget you can just change the stock shoes to a set from cyco or go all out with gear drive cams...if the crank runout is. 003 or less. With metal in the oil it sounds like a complete rebuild. Good luck with the bike
Thread Starter
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Intermediate
Joined: Jul 2022
Posts: 28
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From: Canada
Interesting I wasnt aware the oil analysis would be void due to metal in oil. Still figured theyd be able to tell the velocity of oil that was installed into bike 80km before failure. Honestly oil seems awful runny for a 20w50 oil. My diesel truck runs a lower weight oil and seems a lot thicker on dipstick. But yes figured after seeing metal flakes in oil I was into a full rebuild. Sad part is typically I do my own work on bikes this time I needed it done before my trip so I payed a shop and this **** happens.
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,861
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From: poway
Interesting I wasnt aware the oil analysis would be void due to metal in oil. Still figured theyd be able to tell the velocity of oil that was installed into bike 80km before failure. Honestly oil seems awful runny for a 20w50 oil. My diesel truck runs a lower weight oil and seems a lot thicker on dipstick. But yes figured after seeing metal flakes in oil I was into a full rebuild. Sad part is typically I do my own work on bikes this time I needed it done before my trip so I payed a shop and this **** happens.
If you want to blame the issue on a perceived oil viscosity, I guess you could go ahead. I doubt it's the issue. For 1 there is only 80 km on the oil, It's oil been up to temp for the last 40. km.. If something like 5w-20 was used, the lifters would likely be rattling, by the time the oil hits 150F.. Since HDs are low pressure systems,cranks run on rollers, not plain bearings. light oils aren't going to cause issues. They could easily cause the oil pressure light to come on at idle tho it typically won't destroy the motor.. About the only thing to cause wear in that period of time might be from someone dumping an abrasive in the oil, or even something getting into the during the oil change.
What is interesting is that you took the bike in to be serviced and there was no mention of possible wear issues by the service personnel. If the motor is self destructing it's usually over a period of time time. There are exceptions. I've had them happen.. Still besides tensioners failing, there could be many other issues. Inner or outer cam bearing fail. Crank twisting. Lower rod bearing,
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Thread Starter
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Intermediate
Joined: Jul 2022
Posts: 28
Likes: 6
From: Canada
I think you mean viscosity..
If you want to blame the issue on a perceived oil viscosity, I guess you could go ahead. I doubt it's the issue. For 1 there is only 80 km on the oil, It's oil been up to temp for the last 40. km.. If something like 5w-20 was used, the lifters would likely be rattling, by the time the oil hits 150F.. Since HDs are low pressure systems,cranks run on rollers, not plain bearings. light oils aren't going to cause issues. They could easily cause the oil pressure light to come on at idle tho it typically won't destroy the motor.. About the only thing to cause wear in that period of time might be from someone dumping an abrasive in the oil, or even something getting into the during the oil change.
What is interesting is that you took the bike in to be serviced and there was no mention of possible wear issues by the service personnel. If the motor is self destructing it's usually over a period of time time. There are exceptions. I've had them happen.. Still besides tensioners failing, there could be many other issues. Inner or outer cam bearing fail. Crank twisting. Lower rod bearing,
If you want to blame the issue on a perceived oil viscosity, I guess you could go ahead. I doubt it's the issue. For 1 there is only 80 km on the oil, It's oil been up to temp for the last 40. km.. If something like 5w-20 was used, the lifters would likely be rattling, by the time the oil hits 150F.. Since HDs are low pressure systems,cranks run on rollers, not plain bearings. light oils aren't going to cause issues. They could easily cause the oil pressure light to come on at idle tho it typically won't destroy the motor.. About the only thing to cause wear in that period of time might be from someone dumping an abrasive in the oil, or even something getting into the during the oil change.
What is interesting is that you took the bike in to be serviced and there was no mention of possible wear issues by the service personnel. If the motor is self destructing it's usually over a period of time time. There are exceptions. I've had them happen.. Still besides tensioners failing, there could be many other issues. Inner or outer cam bearing fail. Crank twisting. Lower rod bearing,
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Road Warrior
Joined: May 2007
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From: Arkansastan
Yes viscosity I mean. Sorry it was a shitty day and brain wasnt working. Im not trying to blame anyone really was just putting it out there so see what others thoughts were. Having a hard time believing that a bike that ran so smooth with no knock or ticks would just blow up all of sudden. Yes **** happens but it also got my head spinning. My other though was possible something fell into oil or plug hole while doing oil change or plug change. Regardless appreciate all you thoughts and ideas on this matter
