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Thread: Clutch, Gearbox probs

  1. #1
    Join Date
    23rd April 2004 - 19:16
    Bike
    2010 DC Skate Shoes
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    Roxby Downs, SA
    Posts
    7,089

    Clutch, Gearbox probs

    I have been having problems with my clutch/gearbox on the GF250. When i change into first or second it will not return to neutral without me turning the engine off, for some reason the bike wants to move forward when in gear with the clutch fully in (at handle)

    I have adjusted the clutch fully in both directions (tighter and looser) but didnt have any effect.

    I admit i thrash my bike a bit. So its probly that the gearbox or clutch has gone out of quilter, or is warn. Any ideas before i take it into the shop and get ripped?
    KiwiBitcher
    where opinion holds more weight than fact.

    It's better to not pass and know that you could have than to pass and find out that you can't. Wait for the straight.

  2. #2
    Join Date
    13th February 2004 - 06:46
    Bike
    Forza 155 SE Pit Bike
    Location
    Wellington
    Posts
    11,471
    The clutch is "dragging" or more correctly not disengageing fully.

    Yhis is normally an adjustment problem but as you've adjusted it, I'm a bit lost. There is a possiblity that the cable is frayed and stretching when you pull the lever. This will become apparent fairly soon when you go to change gear and the clutch suddenly looses all tension and wont work.

    Oh, I just had a thought! Pull the front sprocket cover off. There should be a rubber bung thing in the center of it on the outside. (You may not even have to remove the cover actually)

    Under the rubber bit is a corse adjuster which is a flatheaded screw type adjuster with a lock nut. (10mm I think)

    I'll bet anything you like that the lock nut's come loose. It means readjusting it before tightning it again but that's not too difficult.

    The screw goes in (clockwise) for more clutch disengagement (is that even a word?!) and out for less. From what you describe, I'd say you want to screw it in a little.

    Once you've got it correct, a touck of locktite on the thread will stop it happening again.

    Jesus! After that little speel, I need a beer. Let us know how you get on.
    Vote David Bain for MNZ president

  3. #3
    Join Date
    12th May 2003 - 11:41
    Bike
    98 HondaRS125
    Location
    Kaukapakapa
    Posts
    412
    Many bikes have a pushrod that runs through between the clutch arm and the clutch cover, which is sometimes adjustable, If so then it may need to be lengthened to allow the clutch to clear properly.
    If you don't know what youre doing then take it to the shop-how can you call it a rip off if you do not have the knowledge to fix it yourself?
    Luv it!

  4. #4
    Join Date
    23rd April 2004 - 19:16
    Bike
    2010 DC Skate Shoes
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    Roxby Downs, SA
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    7,089
    ok, its not the pushrod, i know from previous experience that its not adjustable. I had a look at the adjuster nut thing but had no luck. Im off to the spanner evening tonight so might get someone there to have a look, otherwise she'll be off to the shop when i get some $$$. Its not a rip-off in that sense, just im not in a position to pay at the moment.
    student with a one day a week job doesnt get much $$$.
    KiwiBitcher
    where opinion holds more weight than fact.

    It's better to not pass and know that you could have than to pass and find out that you can't. Wait for the straight.

  5. #5
    Join Date
    3rd February 2004 - 08:11
    Bike
    1982 Suzuki GS1100GK, 2008 KLR650
    Location
    Wallaceville, Upper hutt
    Posts
    5,049
    Blog Entries
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    The clutch basket (the outer shell of the clutch #26 in the picture) can get notched where the plates contact it, so rather than being smooth and letting the plates open up freely they stick. Likewise the inner hub (#23) has splines that the driven plates engage with, the spline gets worn and causes the same effect (The picture of the clutch below is from a Harley parts book but they all work pretty much the same.)
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    it's not a bad thing till you throw a KLR into the mix.
    those cheap ass bitches can do anything with ductape.
    (PostalDave on ADVrider)

  6. #6
    Join Date
    19th March 2004 - 11:00
    Bike
    BMW R65LS, part time R75 old fart rider
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    Home!!!!
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    Or you may just have a very worn clutch that needs replacing....
    Queiro voya todo Europa con mi moto.... pero no tengo suficiente tiempo o dinero.....

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