Same-day shipping cutoff: Noon Pacific Time

Carburetor Repair Kit, Mikuni - Stock BST40

DR650 '90 - '25 XR650L '93 - '25
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

This Kit replaces vital components in the BST40 Carburetor including new a Float, Needle Valve, Gaskets, Seals, Diaphragm, Spring and Float Bowl Screws to return the stock Mikuni BST40 Carburetor to like-new operation. As a bonus we have included Viton o-rings for the float assembly and 4 stainless steel allen screws.

Add Pocket Tuner Tool
Ships same business day