Suit Walbro WB Series Carbies (such as WB-3A commonly used on KT100J & KT100S engines).
THIS MODEL INCLUDES THE POP-OFF SPRING. Brand New & Unopened Condition. Does your carbie seal properly? Do you hold pressure on pop-off? If you don't, or you're not suer, you need to replace your needle. Cheap and effective way to maximise horsepower and correct starting problems.
Aftermarket Overhaul Kit - includes SPRING, Needle/Seal/Lever/Gasket set. Suit WB series Carbys such as WB-3A used on KT100S & KT100J engines.
NEW.