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[mslcpa]

So...my 2010 SESG with 24K miles starts making some bad knocking and "whooshing" noises down low. Dealer replaces a damaged compensator. Go to pick up the "repaired' bike and still making noise. Leave at the dealer and get a call that front cylinder failed compression test and they are replacing both pistons and cylinders and reworking the heads. They said that they checked the crank shaft and flywheels and they were fine. When I asked what could cause this on a relatively low mileage, babied bike, the service mgr really couldn't say but suspected "bad gas". Think he shoulda stuck with "don't know". Dealer did step up and give me an Ultra as a loaner, so they are trying to keep me happy.

Got the bike back on Friday and runs great. No noise. Even the "normal" valve train sounds seem reduced. When I again questioned the service mgr as to possible cause he could only point to very heavy carbon buildup and still thinks that may be crappy E-10 fuel, even though I try and stick with either Shell or BP premium. Who knows.

Final tally from the bottom up:

New Compensator
New cams
New lifters
2 new pistons and ring sets
2 new cylinders
New Valve seals
Heads reworked

So as far as I am concerned, the best accessory that you can add to your bike is most definitely an Extended Service Plan.

[Midnight Rider]

So...my 2010 SESG with 24K miles starts making some bad knocking and "whooshing" noises down low. Dealer replaces a damaged compensator. Go to pick up the "repaired' bike and still making noise. Leave at the dealer and get a call that front cylinder failed compression test and they are replacing both pistons and cylinders and reworking the heads. They said that they checked the crank shaft and flywheels and they were fine. When I asked what could cause this on a relatively low mileage, babied bike, the service mgr really couldn't say but suspected "bad gas". Think he shoulda stuck with "don't know". Dealer did step up and give me an Ultra as a loaner, so they are trying to keep me happy.

Got the bike back on Friday and runs great. No noise. Even the "normal" valve train sounds seem reduced. When I again questioned the service mgr as to possible cause he could only point to very heavy carbon buildup and still thinks that may be crappy E-10 fuel, even though I try and stick with either Shell or BP premium. Who knows.

Final tally from the bottom up:

New Compensator
New cams
New lifters
2 new pistons and ring sets
2 new cylinders
New Valve seals
Heads reworked

So as far as I am concerned, the best accessory that you can add to your bike is most definitely an Extended Service Plan.

That's a sad statement, but oh so true...

It's funny how other bikes and cars don't have any issues with pump gas, but HD will make up any excuse.  Unless I could pay cash for a bike up front, I would never go without the ESP until the bike is paid for.  As long as you don't get too carried away with mods, the ESP will cover you in most cases.

Try running some Seafoam through the bike just before oil changes...it'll help the carbon buildup.

[Puck]

Yup he who owns CvO without ESP..is not wise...grasshopper....

[Ghost Rider]

Yup he who owns CvO without ESP..is not wise...grasshopper....

Or do the work yourself...or take your bike to the Metal Dragon!   

[Puck]

Or do the work yourself...or take your bike to the Metal Dragon!   

That's ok if you don't mind paying for chit that could be covered by a ESP.... I am a cert tech so get paid to do my own work plus parts....best of both worlds....

[ffltjeff]

Just had a conversation with the sales/shop manager of my local Harley Dealer the other day about gas.  He stated that he sees issues every year with bikes that were up in Sturgis.  Most complaints involve pinging and knocking, one was trailered back and fuel drained full tank of gas had a large amount of water in it.  My 05 Ultra grenaded shortly after I got back from Sturgis this year, had Rinehrarts on it so I could not tell you if it was pinging or not.  I ended up trading it in on my CVO, happy to say they treated me pretty well.  In the conversation he told me the pinging wreaked havoc on the bottom end, which by coincidence is what let loose on mine.    

[Puck]

This does not surprise me a bit....plus these are prolly tuned for better gas also so when you get some chit gas guess what?....pinging knock knock.....BOOM hey that's a song ain't it?

[E-Skunk]

This does not surprise me a bit....plus these are prolly tuned for better gas also so when you get some chit gas guess what?....pinging knock knock.....BOOM hey that's a song ain't it?

I am pretty sure it's "chit'ty - chit'ty - bang - BOOM!" Man, I hate that tune!