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Old 09-05-2011, 09:44 PM   #16 (permalink)
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Pinging is caused by incorrect timing (heat) or a lean A/F condition (heat). The computer should make the adjustments automatically. The cheapest and easiest way to correct the pinging and hot running engine is to drop down 1 heat range (colder) on your spark plugs.
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Old 09-05-2011, 10:12 PM   #17 (permalink)
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Maybe I should give the plug thing a try. Can't hurt.....or can it?
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Old 09-06-2011, 08:42 AM   #18 (permalink)
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Maybe I should give the plug thing a try. Can't hurt.....or can it?
It's far better(and less harmful) to have an air cooled engine run more rich than lean. If it doesn't work, you're only out the cost of the plugs.
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Old 02-21-2012, 07:45 AM   #19 (permalink)
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engine pinging

I had the pinging going on in cool weather (65) but at the same speeds and rpm as the others in here. My bike is NOT stock. I have a SERT, SE A/C, & V&H pipes and mufflers.

In addition to the pinging, the engine developed a knock. Dealer has had it for over two weeks, has had the HD area rep look/listen to it etc. said has changed out every moving part (except lower unit) and still no clue as to what is going on.
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Old 02-21-2012, 09:22 AM   #20 (permalink)
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I had the same issues, and it was a heat issue last summer, after 1000 miles I had a number of changes by my HD dealer, SE 255's, SE Ventilator AC, V&H Power Duals, V&H Hi-Output Mufflers. Now my 103 doesn't have any heat issues, 220 on a 90* day riding hard (always). It used to idle on one cylinder it was so hot!!!
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Old 02-21-2012, 09:40 AM   #21 (permalink)
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So, has anyone tried replacing the O2 sensor?

Seems that if you're running down the road and the
ECU is operating steady-state (closed-loop) that F/A
mixture is controlled by the O2 sensor (which, if I recall
correctly, is a narrow-band sensor). If the sensor is
a bit dodgy, it could be the culprit...

If you can tell which cylinder is pinging, switching the
sensors might give you an idea if they're at fault...

-W
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Old 02-21-2012, 02:43 PM   #22 (permalink)
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Quote:
Originally Posted by sporty952 View Post
So, has anyone tried replacing the O2 sensor?

Seems that if you're running down the road and the
ECU is operating steady-state (closed-loop) that F/A
mixture is controlled by the O2 sensor (which, if I recall
correctly, is a narrow-band sensor). If the sensor is
a bit dodgy, it could be the culprit...

If you can tell which cylinder is pinging, switching the
sensors might give you an idea if they're at fault...

-W
Good reasoning there, but I'm wondering if it's just too much advance on with the timing
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Old 02-21-2012, 10:48 PM   #23 (permalink)
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Just talked with the dealer in rapid city and he said he has alot of problems with the newer bikes (as in brand new off the floor) pinging, his answer tuner and dyno. I'm from a different state so he knew he wasn't going to sell me a tuner and make a sale, that tells you how lean the EPA has them set.
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Old 03-12-2012, 03:24 PM   #24 (permalink)
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I believe I have this fixed. Thundermax.

Part number 309-362

Details on problem. Pings like crazy above around 5000 ft altitude and light throttle. Pull harder on throttle (open loop) ping stops. Dealers say spend more money on SERT and tune. WTF!! Right now Fullsac x-pipe, zippers hi-flow, Thundermax. Ping gone, excessive heat gone, much better running bike.

I would have got rid of the POS but the harley touring mount is the most comfortable long distance bike I've ever ridden. Buell was able to make the air cooled harley run why can't the "MOTOR" company.
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Old 03-12-2012, 06:33 PM   #25 (permalink)
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Glad it worked out for you
I'm thinking of going the cheap route with the FL-Xied-10
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Old 03-12-2012, 08:35 PM   #26 (permalink)
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Glad it worked out for you
I'm thinking of going the cheap route with the FL-Xied-10
Been there done that. You want my Xied's to try for your self?
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Old 03-12-2012, 08:37 PM   #27 (permalink)
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Been there done that. You want my Xied's to try for your self?

Sure, I'll send you a PM
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Old 03-12-2012, 10:12 PM   #28 (permalink)
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Just noticed this yesterday and I don't know if its heat related (90F+ air temps) or if I never noticed before with the radio playing drowning out the noise

My 2010 Ultra Ltd, which has the 103 engine, but completely stock with 10,000 miles pings while in 6th gear going down the highway at 70~80 MPH.

Investigating I notice that it pings anytime I am between 2200 and 2900 RPM in 4th, 5th or 6th gear and holding the throttle for a steady speed.

It's not constant, but maybe every 10 seconds or so, I can hear a couple of pings, it's not the low frequency knock you get when you lug a motor.

I mostly run Shell 91, I have fresh Amsoil 20W50 in the crank. I ran a tank of HD octane boost and fuel cleaner through it and have changed the spark plugs and air filter. I thought maybe deposits on the plugs could have been causing pre-ignition. The plugs looked normal.

Is this the nature of the beast, i.e. super lean for EPA that it causes the bike to ping in hot weather?
I had the same issue with my stock tc88 when I was running Amsoil. Didn't notice it till I changed helmets, one is much quieter than the other. I chased this for months doing all the stuff you did with no difference. dropped the Amsoil and put in Mobil1 and haven't had a ping since. I have no construtive answer as to why this is happening but it did. As a side note as near as I can tell my oil is running about 10 to 15 degrees cooler with Mobil1 than it did with Amsoil, it's hard to duplicate exact riding conditions.
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Old 03-13-2012, 08:45 PM   #29 (permalink)
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That's interesting you say that, as I had one dealer tell me that Amsoil will carbon up the cylinder heads causing the bike to ping. I thought it was B.S. but maybe there's something to it.
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Old 03-13-2012, 11:00 PM   #30 (permalink)
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That's interesting you say that, as I had one dealer tell me that Amsoil will carbon up the cylinder heads causing the bike to ping. I thought it was B.S. but maybe there's something to it.
That was my thinkin too, but I'm not a chemist so I have no way of proving it one way or the other. At the time that I was running Amsoil I was working 60 miles from home so pretty much whenever I fired it up it was off for a 60 mile run, shouldn't have had a carbon issue, always run premium fuel,mostly Shell.
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