How to lose a whole bunch of time chasing your tail:
Put in the #42 on the good left-side carb, still wouldn't tune with the mix screw until just before the screw seated shut. Well, damn... there goes about two weeks of tuning... plugged air jets...
break out the carburetor cleaner, shoot down both pilot air jets, now the bike is way lean on the very bottom. So, that didn't work. Switched back to the #45 jets on both sides, and now it pulls from a low idle. Pretty sure the #45 is the right pilot at this point. After knocking the timing pick-up as late as possible, I'm getting good color lines on the ground strap. Both sides are showing just a bit late on timing, so I might adjust that up a little.
But I have one concern: neither side is more than about 1/2 of a turn out from seated on the mix screws to run right, and that sounds pretty wrong.
Mileage is still in the mid 30's.
Full set-up:
Pilot: #45, 1/2 turn on the mix screws
Main: #145 (same pilot and main jets as the BS34's?)
Needle: HKK, #3 position. I've tried lowering the needles, but it just starts getting weak in the midrange.
Next Steps? I have a half of a mind to go with #42 pilots and thinner needles, but I think that's the wrong way if I look at any of the tuning charts. 1,200RPM and a barely cracked throttle is well below where the needles will pull fuel, right?
I think it's time to order fatter needles. HKL is the next step on the PWK28 needles map, and it's pretty much my last & only choice to pull fuel out above the pilots. 'H' taper is definitely what this bike wants.
> Does anyone know what the needle jet insert part number is? Same as a PWK28? Maybe I'll grab a pair of those as well (and some #148 mains to be sure I'm maxed out on fuel)