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« on: December 11, 2018, 10:33:37 am »
Hi Davy, I have an xl with 390 kit venolia. (84 mm), mild cam (unknown) home made 50 mm pipe. and 36 mm phf dellorto. Runs really well from idle to about 6500 rpm (tacho) then usually not so good, maybe fat? maybe pipe ?? maybe advancer unstable. Starts first kick. Great midrange.
The phf looks like a phbe with accelerator pump. My setting for what its worth is Slide 60/3 , needle K32 with clip in second from bottom slot, (i.e. needle second highest position) pilot jet 75, choke jet 75, AB 265 needle jet. main jet 185. Idle screw 2 turns out. Spark plug NGK D9EA, Pings on D8EA, could probably go to D10EA. Mototek CDI 350 electroninc ignition ( made starting much easier)