I put #90 primary jets in the 850. I also sprayed carb cleaner through the air bleeds. At first the spray just blew around the bleed hole, but after a few seconds it sputtered through the idle slots. Of the 8 air bleeds, the inners on each corner didn't spray through the transfer slots but the outers did. None of them looked plugged up, but after a few seconds, the outer 4 flowed nicely. I guess the inners go inside the metering block circuits?
With the bigger jets and CLEANER air bleeds, the A/F ratios are MUCH better. Idle in park: 13.0 to 13.8 Idle in gear: 12.8 to 13.5 In gear Pwr brake 12.0 to 12.9.
Looks like I might be able to make this carburetor work with more tuning!
