Barkbusters on gen1 - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 21 Old 02-19-2016, 07:29 AM Thread Starter
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Barkbusters on gen1

I am thinking about adding BB vps hand guards to my gen 1. I have read conflicting info about vibration issues. Some folks say that it reduces handlebar vibration and others say it increases. my handlebars do not have bar end weights and are hollow underneath the grips, so I'm not sure they can be installed. Also, are the stock gen 1 bars 7/8? Any input from past experience would be appreciated.
Thanks
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post #2 of 21 Old 02-19-2016, 08:45 AM
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No speeka Bark Busters, specifically . . . GENERALLY, however, adding mass (as in, hand guards) to an elastic structure (as in, handlebars), results in a longer vibrational PERIOD. That is, fewer vibrational oscillations per unit time. IT SHAKES SLOWER!

Now, as to amplitude . . . maybe, just maybe . . . should a "perfect storm" of additive conditions appear, a precise RESONANT FREQUENCY might be awakened by the addition of the specific Bark Busters' mass, and . . . the handlebars will try to shake themselves apart from the physical change!

Most unlikely, in my view, but . . . strange and destructive things have happened from RESONANCE (typical examples: certain suspension bridge, aerospace structure failures).

Only ONE WAY to find out whether Bark Busters convey this arcane phenomenon to Generation 1 KLR650 handlebars!

Otherwise, Tusk handguards do NOT, in my experience!
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post #3 of 21 Old 02-19-2016, 10:14 AM
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Yes the bars are 7/8". I use barkbusters on both my KLR's (Acerbis on one and Cycra Pro-bends on the other) and have found the vibes to be significantly reduced BUT I also installed decent bars ('cause the stock steel ones have the resilience of partially cooked pasta) at the same time.

I use Renthal 7/8" bars which come in many different bends to suit individual ergonomics. I like the RC High's myself.

Renthal - MX / Enduro - 7/8"

As with all things dual sport; what is best depends on usage but I recommend handguards on any bike used offroad. ....and if you can swing it the combination of decent aluminum bars with proper handguards is a significant improvement to the bike. I don't like bar end weights or any other "added weight" solution though if your riding is heavily biased towards the pavement side of things, higher speeds and long distances, the benefits of vibration dampening may offset the added weight and increased width.

2 cents,
Dave
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post #4 of 21 Old 02-19-2016, 10:17 AM
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oops I didn't address your install question; yes the bark busters typically come with two mounting inserts to go inside the bar end: one for 7/8" steel bars and one for 7/8" aluminum bars.

Dave
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post #5 of 21 Old 02-19-2016, 10:18 AM
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post #6 of 21 Old 02-19-2016, 10:19 AM
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post #7 of 21 Old 02-19-2016, 10:20 AM
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post #8 of 21 Old 02-19-2016, 11:07 AM Thread Starter
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Thanks for the input. I guess that I need to find a good set of bars. Would the bars that you recommended be good for my heigth (5'9")?
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post #9 of 21 Old 02-19-2016, 02:41 PM
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Bars are subjective. I like mine with very little pullback and tall but not too tall. Some bars don't have enough realestate for the required KLR switches, perches, etc.

My vote: Renthal 809's, I'm 5'10' or so.

Also take the opportunity to go with a nice think streetbike type grip as I've found those to be much better than the stock "condom thickness" grips. ;-)



Cheers,
Dave
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post #10 of 21 Old 02-19-2016, 04:34 PM
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I put on a set of alum. Pro Taper SE HBAR Henry Reed bend bars and they were worlds above the stock ones. Everything fit fine on them.

I am kinda tall at 6'1" so I wanted to use a set of risers but never got them. I think you would be ok height wise with them. The factory bars are actually really tall, wide and have a lot of pull back. Most aftermarket bars are not that big.
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