Mikuni Bs25 Carburetor Diagram Patched Work (2025)

You're looking for a detailed diagram of the Mikuni BS25 carburetor, specifically a patched or modified version. I'll provide you with some general information and point you in the right direction.

You can find detailed exploded views and parts lists through these authoritative sources:  mikuni bs25 carburetor diagram patched

The diagram showed a tiny white line representing a 0.5mm washer (often a #4 brass washer) placed under the jet needle clip. This lifted the needle slightly, richening the mid-range mixture where the BS25 was notoriously lean. Why It Matters You're looking for a detailed diagram of the

Starter Enrichener (Choke): A plunger system used for cold starts rather than a traditional butterfly valve. This lifted the needle slightly, richening the mid-range

Final verdict: The patched diagram works as a memory aid and tuning record, but always bench-sync and test for vacuum leaks before reinstalling.