Mikuni 40mm I-series Carburetor with built in Accelerator Pump (BN40I 38-27)

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    • April 21, 2015 at 9:50 am #46504
      johnny brooks
      Participant

      Bob,
      Your testing of various ‘alternatives’ has been fun to follow and I know many share your dislike of jet changing.
      I am curious as to whether you’ve heard of the APT Smartcarb. It is a single metering rod style of float carb with an ‘auto’ compensation circuit for air density. It can’t be tuned ‘on the fly’, but once dialed in thru rod height adjustment and idle screw it compensates for any air density changes.

      http://www.powerapt.com/Introduction.php

      I currently run a 38mm cast model (they also make them in billet) on a Swedetech 5 degree offset boot thru a VForce 3 reed, fed by Dellorto pump (no tee/return). The rest of the motor is Stock Honda as I was not looking for the fastest, just ease of use. This is on an F125 laydown so Stock Honda rules are not applicable.

      Just an FYI for those looking at options.

      [IMG]http://i440.photobucket.com/albums/qq123/f1johnny123/DSCN0041A_zpsqlzcer9m.jpg[/IMG]

      • April 21, 2015 at 11:05 pm #46553
        Robert Horvath
        Participant

        Johnny,

        No I never heard of the APT Smartcarb. Thanks for the link. I like what they say  about the Carb on there website. I’ll have to ckeck it out further.

        And your setup looks pretty cool too.

        Bob

         

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