REBUILD KIT, CARBURETOR, MIKUNI BST40. Full list of parts contained in the kit: Japanese-made float needle & pilot screw o-ring, genuine Mikuni float bowl gasket & cold start nut to cable seal, float needle seat o-ring, cold start enrichment feed pipe o-ring, diaphragm cover vacuum port o-ring, slide guide o-ring, two felt throttle shaft seals, two stainless steel hexalobular socket throttle blade screws and instructions. All o-rings in this kit are FKM. NBR vs. FKM o-rings
All items are in stock unless otherwise noted and ship immediately; i.e. if you are able to put the items in the cart and complete checkout, it means that we have the items in stock and will ship them the same (or rarely, next) business day if the order is placed before 13:30 Central Time.