The Mikuni BS26 is a 26mm constant velocity carburetor, common on small-displacement motorcycles and ATVs, featuring a 24mm float height and a pilot screw setting of 1.5 to 1.75 turns out. Proper maintenance requires cleaning the pilot jet to prevent idle issues, inspecting the diaphragm for tears, and setting the float height precisely to avoid overflow. For comprehensive documentation and diagrams, refer to scribd.com
: He checked the side of the carb body , looking for the "Made in Japan" casting to ensure he wasn't working on a knockoff.
(per Mikuni manual):
Before making adjustments, always ensure the engine is fully warmed up and the air filter is clean. Mikuni Bs 26 Manual - MCHIP
