Mikuni Bs25 Carburetor Diagram Patched Review

34mm outer diameter (intake side) and 42mm outer diameter (air filter side).

Turn the pilot screw all the way in (gently) and then back out 1.5 to 2.5 turns. This is the base setting. mikuni bs25 carburetor diagram patched

The small pilot jet passage is narrow and easily clogged by varnished fuel. 34mm outer diameter (intake side) and 42mm outer

The Ultimate Guide to the Mikuni BS25 Carburetor: Diagrams, Patches, and Tuning mikuni bs25 carburetor diagram patched