Mikuni Bs25 Carburetor: Diagram Patched Exclusive

If you are looking at a diagram because you need to repair a patched carb, stop patching. Follow this flowchart of salvation :

The BS25 hates ethanol. If you have to patch it, you are fighting corrosion. Buy a new OEM diaphragm kit, clean the carb properly, and install an inline fuel filter. Your scooter will thank you with a cold start on the first kick. mikuni bs25 carburetor diagram patched