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.
