School me on bar end weights

Discussion in 'Parallel Universe' started by Jamm, Aug 6, 2012.

  1. Jamm

    Jamm Old man on 2 wheels

    Joined:
    Oct 17, 2010
    Oddometer:
    215
    Hello Fellows,

    I know that bar end weights reduce vibration but what determines how much weight is required? Do both weights need to weight the same or can they differ a bit?

    In my instance I have HDB handguards with their weights, but want to add a Kaoko cruise unit. I have a Kaoko unit already however, they do not make one that fits HDB handguards on a F800GS. I'm wondering if I cut the cruise unit down to size and it weights less than the opposing bar end weight if it will cause adverse vibrations.

    Has anyone done this?
    #1
  2. mustardfj40

    mustardfj40 Been here awhile

    Joined:
    Apr 27, 2012
    Oddometer:
    217
    Location:
    Siicon Valley, California
    I am newbie myself but on my F650GS I have the BMW hand guards which came with a new replacement set of bar end weights and Kaoko throttle lock, it vibrates at highway speed. The Kaoko only goes on the throttle side.
    #2
  3. sorebutt

    sorebutt Long timer

    Joined:
    Jun 26, 2008
    Oddometer:
    2,036
    Location:
    Lewiston,ID
    I've played with bar end weights on other bikes and they do help a lot. The only difference you should notice with only one is more vibration, especially on the throttle side. You might try something like bar snakes that go inside the bars to reduce vibration.
    #3
  4. JRWooden

    JRWooden Long timer

    Joined:
    Jul 5, 2008
    Oddometer:
    4,330
    Location:
    The great state of confusion
    I have the BMW handguards and was recently told the weights that come with this kit are lighter than the OEM weights...
    I have not had time to check that to find out if it is true...

    Here are two folks that play in this area:

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    [FONT=&quot]http://www.vibranator.com/[FONT=&quot] (associated with Richor)[/FONT][/FONT]

    [FONT=&quot]http://www.barsnake.com/[/FONT]

    [FONT=&quot]Also some folks say they put lead shot inside the ends of the bars...
    On the F658GS the bars are plugged close to the ends so I'm not sure how that works....or if it works...

    Some discussion here as well: http://www.ukgser.com/forums/showthread.php?t=136903&page=2


    [/FONT]
    #4
  5. FredRydr

    FredRydr Danger: Keep Back 500 Ft.

    Joined:
    Aug 16, 2005
    Oddometer:
    2,466
    Location:
    Carlisle Pennsylvania USA
    Bar end snakes cannot be inserted into these OE BMW handlebars.

    Fred
    #5
  6. fosters2

    fosters2 It is what it is

    Joined:
    Aug 7, 2010
    Oddometer:
    208
    Location:
    Wilmington, DE
    The issue with handlebars is that they can act like a tuning fork, thereby causing numb hands. The purpose of the weight is to change the resonant frequency characteristics of the bar and the location where the vibration is least to where your hands are placed.

    In plain english the amount of weight required is the amount that works (statement of the obvious). It really can be hit or miss. Moving the bar slightly from side to side (one side ending up being slightly longer than the other) can also have an effect (good or bad). I wouldn't stress too much about weights being different on each side. If you don't notice anything wrong, then you're good to go.
    #6
  7. GeckoRider

    GeckoRider Been here awhile

    Joined:
    Nov 26, 2002
    Oddometer:
    448
    Location:
    Oakland, CA, USA, Thrid Rock from the Star Sol
    Please post back on how this works out if you go ahead. I am in the same boat with HDB (love), and have been using a throttle rocker only. I guess swapping out the handle bars to something that could use a snake would be an option if the vibes are really bad. . . Damn slippery path when one farkle leads to another, etc. . .
    #7