main jet

  1. H

    Proper Jetting and Fuel/Air Screw Position Mikuni VM-34 on a 1972 Yamaha XS2 (650)

    I’ve posted a few times about this bike. Bought it a few weeks ago. Did quite a bit of road worthy maintenance / repairs on it before I could take if for its first test ride. Idles good, low throttle stutters and extremely sluggish, 3k and above seems to run good. Pulled right carb tonight to...
  2. Jim

    Carbie Question

    BS-34's off an 80SG. So... I ordered a pair of 135 mains from Partzilla... .... received these.... They are identical to the 135 air jet and smaller than the mains....... They will in fact.... fit into the hole for the main...... So, my question is, will they work as mains or did...
Back
Top