Mikuni Bs25 Carburetor Diagram Jun 2026

If you have landed on this page, you are likely holding a vintage motorcycle carburetor, staring at a bench full of jets, springs, and brass fittings. You are searching for the —not just a blurry JPEG, but a clear, anatomical roadmap to understanding one of the most common constant velocity (CV) carburetors found on 125cc to 250cc bikes from the 1980s and 1990s.

For an actual scanned diagram with OEM part numbers: mikuni bs25 carburetor diagram

The constricted middle section that creates the "depression" or low pressure needed to draw fuel from the bowl. If you have landed on this page, you