Mikuni Bs25 Carburetor Diagram Patched Jun 2026

: For specific tuning curves and effectiveness of parts (like the pilot jet vs. main jet ranges), the Mikuni Power Resources page offers functional charts that explain how adjustments impact performance. Key Specifications for BS25 Measurement Intake ID Intake OD Air Filter ID Air Filter OD Mikuni Carburetor Catalog

[ TOP VACUUM CAP ] ====================== [--- DIAPHRAGM ---] <-- Common Leak/Patch Point \ Jet Needle / \ Slide Spring/ [Slide Piston] || || =======|======|======= [AIR] ->| Venturi | -> [ENGINE] =======|======|======= | | [ Needle Jet / Emulsion Tube ] | | ====================== [ MAIN JET & FLOAT ] [ PILOT/IDLE SCREW ] ====================== [ BOTTOM BOWL ] Top Section: The Vacuum Chamber mikuni bs25 carburetor diagram patched