My First Adventure: Trans Lab, Newfoundland, Nova Scotia on a BMW G650X-Challenge

Discussion in 'Ride Reports - Epic Rides' started by mcgarrett, Jul 13, 2013.

  1. Bombazo

    Bombazo Been here awhile

    Joined:
    Oct 6, 2009
    Oddometer:
    163
    Location:
    Beyond the Beltway
    great rr
    #61
  2. DESERT SCORPION

    DESERT SCORPION SINGLE TRACK

    Joined:
    Jul 24, 2008
    Oddometer:
    144
    Location:
    SINGLE TRACK IN THE WOODS
    I was reading this ride report with special interest because I own a X-Challenge and I wanted to see how well this bike did. Seems like pretty well. I also picked up on this chain tension debate, because I am just about to tighten mine up a bit. It's running about 1-3/4 to 2 inches. The RepROM does in fact state that the correct slack is 25mm with the suspension fully unloaded.

    The reason that this bike does not exhibit more slack than this is due to the chain rollers above and below the chain in the vicinity of the swingarm pivot. When the rear suspension is fully extended, the lower run of chain rests on the lower roller, reducing the amount of slack that would otherwise exist. I set the slack to 1" (25.4mm) and then bled air out of my air shock while the bike sat on a rear wheel stand. The chain goes over center without becoming taught, although it does show almost no free play. Therefore 25mm should definitely be considered the minimum free play required after adjustment. Hope this helps out.

    THE SCORPION
    #62
  3. Jettn Jim

    Jettn Jim This is Liv'n!!!

    Joined:
    Mar 28, 2010
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    1,895
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    NE PA Some... PNW Some... On HIGH ADVENTURE Most!
    Great verification info! :ear
    #63
  4. Ms2uared

    Ms2uared Adventurer

    Joined:
    May 5, 2012
    Oddometer:
    33
    Location:
    Halifax, NS
    Hi Mike,

    Thanks for including me in your adventure. It was great to ride with both of you. I want to do the Trans Lab now after seeing all that gravel! :D I went around the Cabot again and stayed in Meat cove that night. Beautiful spot. Glad you arrived safe and had some good experiences with road troubles. It makes us all better riders.

    Matt
    #64
  5. mcgarrett

    mcgarrett Been here awhile

    Joined:
    Apr 30, 2012
    Oddometer:
    166
    Location:
    Golden Isles, GA
    Matt,

    Nice meeting you and best wishes for your future adventures.
    #65
  6. jlambo

    jlambo Been here awhile

    Joined:
    Aug 2, 2013
    Oddometer:
    872
    Location:
    Lyman, Me
    Enjoyed tour ride report, thanks for posting!
    #66