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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
In the last couple of days, my 2000 Harley Springer developed a relatively loud chattering in the engine that could be from valves, lifters, or rods?. It is a Harley-Davidson Screaming Eagle 107 ci with CNC porting with carburetor. The engine is only two years old or so. It may be a coincidence, but the day before, I poured a tiny amount of Sea Foam in the tank, and the very next day, the chattering started. It does it at idle and at any speed. This happened while it was in the garage. I run the engine just about every day, and the engine had worked great. I hope that this will not involve a removal and expensive removal of the heads. Any ideas? I plan to ride it about 8 miles to a shop, and I hope I do not do some damage to it.
In the last couple of days, my 2000 Harley Springer developed a relatively loud chattering in the engine that could be from valves, lifters, or rods?. It is a Harley-Davidson Screaming Eagle 107 ci with CNC porting with carburetor. The engine is only two years old or so. It may be a coincidence, but the day before, I poured a tiny amount of Sea Foam in the tank, and the very next day, the chattering started. It does it at idle and at any speed. This happened while it was in the garage. I run the engine just about every day, and the engine had worked great. I hope that this will not involve a removal and expensive removal of the heads. Any ideas? I plan to ride it about 8 miles to a shop, and I hope I do not do some damage to it.
any noise that just comes up suddenly usually isnt good,i doubt adding the seafoam did anything (could have knocked some carbon loose,but i dont think that would make noise).sounds like your either loosing a inner bearing or a lifter roller,both are not good and the bike should not be ridden to your shop,trailer it
The 107 Screaming Eagle motor was installed in 2018, and is not the original motor, but my Springer is a 2000. Like I said, the motor is only two years old. It is a high compression CNC ported motor with compression releases. But hard to believe, I woke up this morning, turned on the motor, and guess what, the noise was entirely gone. It was running smooth and quiet. It could be that just before shutting it down the day before, I began running a tank of 93 octane gas (previously, I had been running the cheap 87 octane gas). I have used Sea Foam for over twenty years in all types of vehicles, including my 2006 Softail Heritage, and nothing like that had ever happened. It could all be coincidence, but that is all I have to go on for now. Since it only happened yesterday, after it had been sitting in the garage for two months, but the motor excercised about every single day, it was not under any road conditions and not run hard. But just in case, I will be taking it in this weekend to have the mechanic look it over.
I purchased the bike in June of 2020. The motor change was done by one of the previous owners. The documentation I have is that it was done by a Harley shop in Bedford, Texas in 2018. It is a carbed, CNC ported, Screaming Eagle 107 ci motor, including a Screaming Eagle six speed transmission, also installed in 2018.
Last edited by cgmartine; Sep 3, 2020 at 02:05 AM.
Reason: To include photo
its just a 107 built with SE heads,hardly the main point,the big thing is to find where the noise is coming from & like i said,i wouldnt ride it to your shop,if its either lifters or inner bearing failure,if not caught right at the start you will be looking at complete engine disassembly
If it is either lifters or inner bearing, is that something that would come and go? Meaning that it acts up one day, and not the next? And wouldn't the onset symptoms come on slowly and not come between one shut down of the engine to the next start up?
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Valve chattering?
2000 Heritage Springer
