TBparts - 20mm Carb
Z50, CRF50, XR50, CT70, XR75

TB 20mm carburetor that fits a variety of Hondas such as the Z50, CRF50, XR50, and CT70 with 88cc big bore kits. Good replacement carburetor for 72cc-125cc 4 stroke engines. Direct bolt-on for Honda XR75 from 1976-1978, but choke lever is not extended like original. Can be replaced with the original lever if wanted.

Takes Keihin main jets:

KEIHIN ROUND JETS (SMALL) 99101-116 (Same as Stock KLX110)

Note: 6mm thread allows for use of TRC-1096 if needed

Specifications:

• Stock main: 89
  
• Stock pilot: 35
  
• Air filter Size: 1.25in
  
• Silver screw for idle adjustment
• Brass screw for Air / Fuel fine tune adjustment 

Support parts not included:

• Pilot jet kits - TRC-2376/TBW0798/TBW0478
  
• Main jet kit - TBW0294
  
• Rebuild kit - TBW0275
  
• Air filter - TBW0398