Here are some picture's of a few common pit bike carby's
These are posted here for a reference to help identify your carby
Keihin china copy, Sheng-Way, Jing-Ke PZ16 (16mm), PZ19 (19mm), PZ20 (20mm). PZ21 (21mm)
Round bore Carb, ideal for 50cc, 70cc, 90cc, 110cc engine's...
