REBUILD KIT, CARBURETOR, MIKUNI BST40 W/TPS, KTM LC4. For TPS equipped models. This contains the same parts as the 584.31.099.000 GASKET SET MIKUNI BST40-225 except the diaphragm, but plus the float needle, which normally only comes as part of 584.31.020.000 NEEDLE VALVE 2,8MM (usually no need for the assembly, as the seat goes bad infrequently), and throttle blade screws. Full list of parts contained in the kit: Japanese-made float needle & pilot fuel screw o-ring, genuine Mikuni float bowl gasket, cold start slide retainer to cable seal & two rubber throttle shaft v-seals, float needle seat o-ring, cold start enrichment feed pipe o-ring, main jet access plug o-ring, slide guide o-ring, two stainless steel flat hexalobular throttle blade screws and instructions. All o-rings in this kit are FKM. NBR vs. FKM o-rings
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