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These questions are equivalent of the innocence that makes you smile when you see a child smile. Few months from now you are going to look at these threads and maybe chuckle, If you remember at all, because you are going to be to preoccupied with much more than a little shake here or a little tremble there. Just wait :^)
These questions are equivalent of the innocence that makes you smile when you see a child smile. Few months from now you are going to look at these threads and maybe chuckle, If you remember at all, because you are going to be to preoccupied with much more than a little shake here or a little tremble there. Just wait :^)
Thanks brother. Hell I was chuckling already while I was posting it But seriously, thanks and I get what you are saying. I am already plotting the stage 1 and other upgrades I want to do.
From: In the foothills of southwestern NC - US of A
Originally Posted by crawrj
...I am sorry for the continued questions but I am new to Harley and starting to get concerned that something might not be right. And I am also **** and sometimes a little OCD so that doesn't help.
Anyway, as always, your help is greatly appreciated.
crawman, the vibration is from the way the Harley engine is designed and is nothing to worry about. That so called "potato-potato-potato-potato" sound generally associated with the typical Harley exhaust note along with the forward and rearward movement of the engine is due to the firing order of the cylinders in relation to one another. Instead of each cylinder igniting opposite of each others stroke, they're fired one slightly after the other...this is what produces the vibration and strong low RPM torque that's typical of these style engines. This can be felt and observed more easily on the pre-rubber mounted engine model Sportsters by the obvious shaking of the bike and mirrors.
On the opposite side of the spectrum are the in-line 4 engines found on todays crotch rockets, which rely on a more continuous & balanced firing method, which helps them to run much smoother. These engines however have a shorter stroke, which requires a much higher RPM for them to achieve the same amount of torque produced by the Sportster engine. When you hear what you think is a missed gear from a crotch rocket taking off from a stoplight, it's just those guys revving the $hit out of their engine on the starting line, increasing the speed of the rotating mass of the engine to produce enough torque to get out of the hole quicker.
And please never be concerned about asking questions...it's how we've all learned over the years ;O)
Looks and sounds normal to me. If you need more piece of mind, take it in and have it looked at. In the past, I've taken mine in and turned out having nothing wrong or something as simple as low tire pressure before and no one ever made fun of me to my face at least.
As others have said, the clunk when shifting is completely normal. You'll get used to it. 1,900 miles is still practically brand new. Ride it, then ride it some more, and then after all that, go ride some more. Two things will happen. 1-it will smooth out a little, at least as much as it's going to; and 2-you'll start getting so used to these noises and vibes you won't pay any attention to them.
When things start sounding DIFFERENT, that's when you'll need to pay attention. Like the sound of a girl's voice you just started dating, versus one you've been with a long long time. On the first one, you're always guessing what her tone means. On the second....you just know...
+1 on looking normal, but it is always a great idea to check bolt tightnesses, especially on a Harley Davidson,
Also,,, very important to always make sure your spark plugs are in good shape & gapped properly, I recommend just replacing the plugs every 5,000 miles, they are only $6.. this will ensure your motor will always run smoothly,,
yes the shifting clunk will reduce when your bike gets broken in, it really isn't broken in until about 10,000 miles.. also, if you get a cluck when shifting into first your idle could be set too high for what ever reason, probably only relevant to carbed bikes.
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