Smoking
Road Master
Joined: Feb 2016
Posts: 858
Likes: 140
From: USA
What I am on board with is looking at the facts as the OP has posted.
I understand that the smoking presented after the exhaust upgrade and FP install; however, replacing exhaust and installing the FP and riding for a few miles won't produce plugs that look like that. Those plugs would appear to be the original plugs which indicates, to me anyway, that there was, at best, excessive oil consumption from the jump which is something that should be easily diagnosed and repaired under warranty. The exhaust would not contribute to the problem; however, if the FP setting is too rich, too much fuel could be washing down the cylinder wall and contributing to the smoking but that is not the underlying problem that has been causing excessive oil consumption and, IMHO, could not produce an oil fouled plug with the very limited mileage the OP put on the motor after installing the FP.
Based on that scenario I do think a wise move would be for the OP to return the bike to the dealer in bone stock trim to avoid any deflection by the dealer to dodge a warranty repair. I would also suggest that the OP pull a compression test before returning to the dealer with the readings which will force the dealer to pull compression themselves to confirm wherein they will also pull the plugs and see them as well. It is certainly worth the effort as opposed to assuming that the FP install has caused the problem.
If the OP gets resistance from the dealer, a call to the local HD rep would be in order along with a letter to HD; run all the traps before taking on the repair himself. If he must take on the repair as a DIY project, a top end rebuild is in order; a good time to increase displacement.
I understand that the smoking presented after the exhaust upgrade and FP install; however, replacing exhaust and installing the FP and riding for a few miles won't produce plugs that look like that. Those plugs would appear to be the original plugs which indicates, to me anyway, that there was, at best, excessive oil consumption from the jump which is something that should be easily diagnosed and repaired under warranty. The exhaust would not contribute to the problem; however, if the FP setting is too rich, too much fuel could be washing down the cylinder wall and contributing to the smoking but that is not the underlying problem that has been causing excessive oil consumption and, IMHO, could not produce an oil fouled plug with the very limited mileage the OP put on the motor after installing the FP.
Based on that scenario I do think a wise move would be for the OP to return the bike to the dealer in bone stock trim to avoid any deflection by the dealer to dodge a warranty repair. I would also suggest that the OP pull a compression test before returning to the dealer with the readings which will force the dealer to pull compression themselves to confirm wherein they will also pull the plugs and see them as well. It is certainly worth the effort as opposed to assuming that the FP install has caused the problem.
If the OP gets resistance from the dealer, a call to the local HD rep would be in order along with a letter to HD; run all the traps before taking on the repair himself. If he must take on the repair as a DIY project, a top end rebuild is in order; a good time to increase displacement.
Last edited by oleboy; Apr 13, 2017 at 09:47 PM.
HDF Community Team
Joined: Jun 2006
Posts: 12,774
Likes: 2,606
From: san antonio
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,899
Likes: 8,006
From: poway
Waste of time.. It needs a top end..
Thread Starter
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Novice
Joined: Apr 2017
Posts: 21
Likes: 0
From: Louisville
Harley scoped the cylinder and said no damage. They said a hose on the back side of air cleaner was pinched and caused to to foul plug.
They replaced both plugs and have since returned bike today. No smoke and they covered it under warranty.
For the *** hat that knows everything and says this is a bogus post cause of the plugs well **** you. My bike is 1 year old, always in garage when at home and only been risen in the rain twice. Sry but your backyard mechanic *** doesn't know everything
They replaced both plugs and have since returned bike today. No smoke and they covered it under warranty.
For the *** hat that knows everything and says this is a bogus post cause of the plugs well **** you. My bike is 1 year old, always in garage when at home and only been risen in the rain twice. Sry but your backyard mechanic *** doesn't know everything
Last edited by Dave0; Apr 14, 2017 at 10:07 PM.
Extreme HDF Member
Joined: Aug 2013
Posts: 16,271
Likes: 15,108
From: Somewhere SW
The bike is under warranty and upgrading exhaust and installing a FP did not gum up that bad plug; a year old and 5000 miles, very unlikely. I think something was wrong with the bike from the factory. The OP needs to put the bike back in bone stock trim just to avoid giving the dealer an excuse to dodge the bullet. Leave the ugly plugs in but take the pictures in, let the dealer see the smoke and leave the bike with the dealer and don't let the dealer off the hook. Of course it is HD's responsibility; the OP just has to be smart in how he deals with them.
O2's are in correct place, plugs are factory and always parked in garage and was put back stock before removing FP and not trying to point fingers or place blame on anyone other then myself. If Harley offers to fix under warranty I won't stop them but I'm looking at me footing the bill. Just trying to figure out what is wrong, what may have happened to cause this and what kind of price tag I may be looking at ? Just looking for insight.
Thanks for all info that's been given
Thanks for all info that's been given
Extreme HDF Member
Joined: Aug 2013
Posts: 16,271
Likes: 15,108
From: Somewhere SW
Harley scoped the cylinder and said no damage. They said a hose on the back side of air cleaner was pinched and caused to to foul plug.
They replaced both plugs and have since returned bike today. No smoke and they covered it under warranty.
For the *** hat that knows everything and says this is a bogus post cause of the plugs well **** you. My bike is 1 year old, always in garage when at home and only been risen in the rain twice. Sry but your backyard mechanic *** doesn't know everything
They replaced both plugs and have since returned bike today. No smoke and they covered it under warranty.
For the *** hat that knows everything and says this is a bogus post cause of the plugs well **** you. My bike is 1 year old, always in garage when at home and only been risen in the rain twice. Sry but your backyard mechanic *** doesn't know everything
Stellar HDF Member
Joined: Mar 2012
Posts: 2,017
Likes: 599
From: Columbus, OH
That's good to hear. Are you still running the OEM air cleaner?
Thread Starter
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Novice
Joined: Apr 2017
Posts: 21
Likes: 0
From: Louisville
I have a K&N filter that's new. It's the same style as stock and will end up getting a heavy breather eventually and put the headers back on along with the Fuelpak
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