Question about Harley Davidson Motorcycles
Vibrations between 1800-2200 rpm. both motor mounts are good.
Posted by Anonymous on
Hi Anonymous, and the usual suspects are:
1. Wheels and or tires unbalanced, worn or damaged.
2. Engine/transmission/vehicle not aligned properly.
3. Primary chain badly worn or links tight as a result of insufficient lubrication or misalignment.
4. Engine to transmission mounting bolts loose.
5. Upper engine mounting bracket loose.
6. Ignition timing incorrect/poorly tuned engine
7. Internal engine problem/ flywheel shift
8. Broken frame
Posted on Jun 12, 2015
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Posted on Jan 02, 2017
Hi .... This may sound daft but have you recently changed or had the exhaust off ? Have a look at the silencer/muffler rear mounts, difficult to explain but they should be in a 'neutral' position, not fully pushed in. Maybe the vibes are coming straight along the pipes from the engine and through the footpegs.
Let me know how you get on.
Posted on Jan 03, 2009
Bring it over let me ride her for a few years and I'll fixit for a small fee. That front mount may be worn enough to cause this. May be a timing thing, or a vacuume leak at one head, get some wd 40 and spray on the manifold when she is running, rev it up and spray it, if you have some leak this will make it show up. Then clean her up, get that junk off my engine before you bring it over.
Posted on Jun 30, 2009
SOURCE: help with harley engine
I don't know of anyone that makes such a spacer. If you have an idea with which to replace the original engine mounts, go for it. You'll probably see a few of them.
Posted on Jan 12, 2010
The last guy that wrote in here with the vibration problem was told his crank is shot!!! These are fairly new bikes, how do you get a bad crank shaft?? Somebody is screwing up. I was thinking that his cam timing was out of whack so it would miss and cause vibration like a funny car. But he didn't believe that one. Anyway, check it out. You might have to get a new bottom and swap your jugs and heads over to the new engine. Or just part out the old one and get a whole new engine. Hope this helps.
Posted on May 13, 2010
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