Not a rattle, but vibration - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 8 (permalink) Old 04-16-2006, 01:48 PM Thread Starter
 
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Not a rattle, but vibration

on my 02 between 3200 and 4500, I get a real bad vibration, so bad that I can not see through my mirrors because of the vibration. Heres a little history.

A month or so ago, I put on highway bars. This is when I started to notice a little vibration, but then it seem to get worse. So, I checked all the bolts, everything seems tight. I could not use the stock bolts for the mounting bracket.

Any suggestions? I would really like to get rid of this vibration problem.

Thanks
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post #2 of 8 (permalink) Old 04-16-2006, 03:49 PM
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you may wanna try putting in some rubber in the mounting area on the handle bars.....just a lil..that may help.... also try tighting down your mirrors. mine used to vibrate till i tightened them up. now it still does but much less. also has the engine been recently pulled?

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post #3 of 8 (permalink) Old 04-17-2006, 05:27 AM Thread Starter
 
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no, the engine has not been pulled. The vibration goes away, for the most part, after 4500 RPM.
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post #4 of 8 (permalink) Old 04-17-2006, 06:55 AM
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May sound like a silly question but have you put oil in lately & accidentally overfilled it? I overfilled mine a few years ago & the engine vibrated like hell. Drained off some & the vibration went away. I assumed it must have been something to do with the crank thrashing around in the excess oil.
May be worth checking?

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post #5 of 8 (permalink) Old 04-19-2006, 08:03 PM Thread Starter
 
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ok. time for an update...i took the bars off. guess what, no vibration. so here is my problem now. I WANT MY HIGHWAY BARS. Please send me suggestions on what to do. I really loved them, I don't understand why it would cause that. I even torqued them to what they were supposed to be torqued to. I have spent the last hour and half looking and thinking about how I was going to make this work.......nothing. Please, if anyone has suggestions, I will take 'em. I know, i sound desperate, but the ride was SO much nicer.

Thanks for all your help on this problem.

Jake
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post #6 of 8 (permalink) Old 04-20-2006, 08:23 AM
 
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Do your highway bars connect to the frame AND the engine?
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post #7 of 8 (permalink) Old 04-20-2006, 10:37 AM Thread Starter
 
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they were mounted using the four motor mount on the frame. They are on the front towards the bottom of the frame.
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post #8 of 8 (permalink) Old 04-20-2006, 01:28 PM
 
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The motor "floats" in the frame. If the mounting system reduces or eliminated that capability you would transfer engine vibration to the frame
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