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BDL lock up clutch

  • rock38
    rock38
    24 days ago
    Gday Guru,s
    I bort a twin cam R-King with a 107c.i and a bdl ball bearing lock up clutch in it…It has a pressure plate spring.
    I hav since rebuilt engine to a 124 , if anyone knows what these bdl clutches are good for h.p and torque wise plz share or shld i go Barnett strait off the bat ?
    Cheers All
    Rock.
  • Hilly
    Hilly
    24 days ago
    G'day rock, if the pack is in good order it should hold it no worries being of the centrifugal type, harder you rev it the harder it will hold.
  • speedzter
    speedzter
    23 days ago
    That's a good question, and I don't recall seeing an answer .
    Do you have a full BDL clutch setup, or just the Lockup ball bearing pressure plate ?


  • Hilly
    Hilly
    23 days ago
    I think I mixed up in my head what you have rock, is it this one?
    Screenshot_20250402-095415.png
  • rock38
    rock38
    23 days ago
    Yes that looks like it…I bort the bike with it installed already so I’m not 100% on the plates but the rest is the same…I’m not a web expert I struggled to find any info on the thing!!
    Cheers

  • speedzter
    speedzter
    23 days ago
    It makes quite a difference depending on what setup you have .
    A quick way to tell is to look at the clutch plate width .
    The full BDL clutch setup will handle a lot of power .

  • rock38
    rock38
    23 days ago
    I will check that out tonite when I get home thanks speedzter 
    Curious tho…do u think it will handle a R.P.I built s&s 124 ?
    I’m not gona b drag strip racing it but I do ride like a temporary resident at times !!!
  • Hilly
    Hilly
    23 days ago
    This is where my brain went when I first read your post......
    Screenshot_20250402-102640.png
  • speedzter
    speedzter
    23 days ago
    I am using just the BDL ball bearing lockup plate combined with a Barnett extra plate kevlar clutch.
    It handles my custom 120" no problems, but it is in a lighter Dyna .

  • rock38
    rock38
    23 days ago
    Yeh I’m hearing ya…I think I’ll go the Barnett route and keep that clutch for my dyna if it ever needs it also.
    Cheers for your feedback .
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