strange one
Seasoned HDF Member
Joined: Jun 2010
Posts: 9,332
Likes: 3,874
From: Upstate New York
I notice the same thing all the time. I think it's between the rider's ears. Human senses and perceptions are very subjective. My bike is much smoother, quieter, faster, on days when I'm well rested and feeling good. If I'm feeling bad, she runs like a three legged washing machine on spin cycle.
Club Member
Joined: Jun 2007
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From: Bedford UK
Stellar HDF Member
Joined: May 2009
Posts: 2,856
Likes: 127
From: Middle of Kansas
Well, Mine does that at times. I think it depends on the barametric pressure, humidity, and temperature. Some times mine is very smooth, and sometimes I think the motor mounts must be loose. I thinks it is just the nature of the beast.
Road Master
Joined: Aug 2010
Posts: 1,205
Likes: 18
From: SE Michigan
My "91 Glide has a nice thumpy vibration to it that smooths as the "R"s go up. When I turn it off the vibration stops abruptly. Make sure the engine is "on" is what I would suggest. ;-)
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Elite HDF Member
Joined: Oct 2005
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From: Canton, Michigan
Air cooled engines. As posted: Subtle changes in climate have different effects on their performance. Toss in the many variations of human perception on any given day, you get the entire Harley Experience.
If you feel the 'need' to check something: The ignition plate may be moving behind the nose cone, changing the timing. And causing vibes and then lack of vibes...
If you feel the 'need' to check something: The ignition plate may be moving behind the nose cone, changing the timing. And causing vibes and then lack of vibes...
Mine is always pretty smooth, but I do notice that the rapoff is different on some days than others. Some days I can really hear the valves in the pipes when slowing down, and other times it's mostly rapoff, especially when shifting - and my pipes are baffled.
I think it's a combination of temp and humidity and possible barometric pressure.
My ears work fine.
I think it's a combination of temp and humidity and possible barometric pressure.
My ears work fine.