This Jet Kit is for our 20mm Carb (and 18/20mm Keihin’s) and includes the following sizes: 75, 78, & 80 (stock size is 89). This kit is good for small bore models – 72cc and below.
NOTE: IF YOU DO NOT HAVE ONE OF THE TB 20MM CARBS OR A 18/20MM KEIHIN, DO NOT BUY THESE AS THERE ARE NO RETURNS/EXCHANGES ON JETS AND THEY ONLY WORK ON THE CARBS MENTIONED.