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Thread: B!?*y sprag!

  1. #1
    Baby Twin
    Join Date
    Jul 2012
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    14

    B!?*y sprag!

    You guys must be sick of this, but I think my sprag has gone. Left mine on sunday, beautiful weather and I was aiming for Brands Hatch for the BSB, made it to the petrol station and it just wouldn't start again. It made a spinning noise and then a horrible mechanical noise...as if it was trying to start but instead of 'catching', it was just grinding something. The rac duly came out and checked the battery, fine as I've just changed it to the higher charge one that's recommended. Then the starter solenoid, that was in a sorry state, the wires were partially melted and the connections were pants, these were cleaned up and taped, while being in a bad state it was sending the current across and still no start. He said the starter, I said I've heard about this sprag clutch issue and he looked at me like I'd just been babbling in Farsi. So...does anyone have any ideas? If it is this sprag clutch I'm willing to give it a go as well, is the general consensus a KTM part? Does anyone have any guides they could forward at all? Thanks in advance for any responses!

  2. #2
    GP Champ apostrophe's Avatar
    Join Date
    Oct 2010
    Location
    W Yorks
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    1,020
    Quote Originally Posted by Mad Mike View Post
    You guys must be sick of this, but I think my sprag has gone. Left mine on sunday, beautiful weather and I was aiming for Brands Hatch for the BSB, made it to the petrol station and it just wouldn't start again. It made a spinning noise and then a horrible mechanical noise...as if it was trying to start but instead of 'catching', it was just grinding something. The rac duly came out and checked the battery, fine as I've just changed it to the higher charge one that's recommended. Then the starter solenoid, that was in a sorry state, the wires were partially melted and the connections were pants, these were cleaned up and taped, while being in a bad state it was sending the current across and still no start. He said the starter, I said I've heard about this sprag clutch issue and he looked at me like I'd just been babbling in Farsi. So...does anyone have any ideas? If it is this sprag clutch I'm willing to give it a go as well, is the general consensus a KTM part? Does anyone have any guides they could forward at all? Thanks in advance for any responses!
    This is worth a look...

    http://www.apriliaforum.com/forums/s...r-sprag-clutch

    Rob

  3. #3
    Baby Twin
    Join Date
    Jul 2012
    Posts
    14
    Cheers, it looks complicated, but do able!

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