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    jacobx5sv

    @jacobx5sv

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    Latest posts made by jacobx5sv

    • RE: Dep exhaust jetting

      @spookdog
      I’m pretty sure everything’s on the stock set up on the carb although the pilot screw is at 1 and 1/2 turns out I’m planning on doing a top end rebuild and maybe getting the cylinder wall honed if it needs it but I’m gonna keep the standard 56mm bore also putting some boysen reeds in it to make it a bit more responsive

      my mates got a 1988 model with a hand welded pipe from Portugal and with reeds and no snorkel and I think he went Down to 230 main jet and standard on everything else so I’ll keep mine on the 240 and see what’s it’s like after I’ve done it he said the reeds make it a bit richer so may have to go down a few

      posted in Carburetor
      J
      jacobx5sv
    • Dep exhaust jetting

      Wondering if anyone can help I’ve got a 2001 Yamaha Dt 125 r working power valve model with a full dep exhaust runs and rides fairly nice bit boggy when warming up but other than that it rides okay although when changing my spark plug recently it was black but no excessive build up, the air box is standard and has the snorkel I’m assuming it’s running a bit rich but I’ve heard that the standard 240 main jet is correct for a full dep system on a Dt so I don’t know if it’s my fuel/air screw that needs adjusting which is currently at 1 and a half turns out.

      any advice would be appreciated
      Thanks

      posted in Carburetor
      J
      jacobx5sv