Suit Walbro WB Series Carbies (such as WB-3A commonly used on KT100J & KT100S engines).

Brand New & Unopened Condition.

Set the correct pop-off pressure for your carb perfectly with this brand new spring.

Please note: This is the ORIGINAL WALBRO Part - NOT A CHEAP IMITATION.

Coupled with our K10-WB overhaul kit (available seperately) this is a Cheap and effective way to maximise horsepower and correct starting problems.

New.  Click the condition meter to learn more about used items.

Walbro Brand Spring to suit Walbro WB3A carb used on Yamaha 100K & 100J engines.