[Carl Fenn]

Could be an explanation mine is a late one last of production run l guessed this was the issue or hand machining cause the vibes, l agree on some every bit of metal shakes on the bikes on tick over not a good thing, and when you rev them they would vibrate the fillings out of your teeth.

[Morgan65]

Only on my 2010 G5 Bullet 500 did I have excessive handle bar vibration. Why? Because I took the handle bar weights off to put on bar end mirrors. I remember I took back four left mirrors under warranty to Cycle Gear because vibration was so bad it would vibrate it apart right where the stem attached to the mirror. After the motor got good and broken in, about 3,500-4,500 miles I don’t notice any excessive vibration at all. Now that I have almost 9,000 on it, it’s the smoothest of all the RE 500s.

[Crispyduck]

Here's a photo of the handlebrace i had welded on.

The vibrations are almost gone.

[AmBraCol]

I've considered doing that on my Rumbler.  Looks good.

[Crispyduck]

If your handle bars are chromed just make sure you know a good electro plating company so can get them rechromed afterwards.

As i was changing my bars aswell i went for the stainless steel option instead.

[AmBraCol]

If your handle bars are chromed just make sure you know a good electro plating company so can get them rechromed afterwards.

As i was changing my bars aswell i went for the stainless steel option instead.

That's the major reason I've not done so yet. Have to pull the bar to have it welded and then rechromed... So it's been on the backburner for a while.  If I could find a similar bar in stainless I'd go that route instead, but the Rumbler uses a higher rise bar than any of the other bikes from RE I've seen.

[richard211]

Could try a bolt on handlebar brace and some soft handle bar grips. On my Thunderbird 500, I found that the handle bar vibration seems to be more between 2500-3000 rpm. So I just avoid that rpm range as much as I can.
 But when comparing the UCE 500 engines, the smoothest engine is on the Indian Standard Bullet which uses much heavier flywheels, while it does reduced the acceleration of the motorbike and does not have the best top speed among the UCE 500 range, it does run very smoothly with very little vibrations.

[Carl Fenn]

I have heard these can reduce it, but a moment mine is just OK.