Verified Mikuni BS26 Carburetor Manual: Complete Rebuild, Tuning & Troubleshooting Guide
Provides a richer mixture for cold starts. Key Components of the BS26: Diaphragm/Slide: Creates the CV effect. Main Jet: Determines high-RPM fueling. Pilot Jet/Screw: Controls idle mixture. Jet Needle: Adjustable to fine-tune midrange (5 notches). 2. Verified Mikuni BS26 Tuning & Adjustment Procedure mikuni bs26 carburetor manual verified
Check the needle valve (float needle) for a "ring" or wear mark on its tip, which can cause flooding. 4. Tuning and Adjustment Idle Circuit (Air/Fuel Screw) Adjust this circuit with a warmed-up engine: Pilot Jet/Screw: Controls idle mixture
Need a specific torque value or jet size for your exact year and model? Leave a comment below with your bike’s VIN prefix, and we will pull the verified page from the factory manual. Verified Mikuni BS26 Tuning & Adjustment Procedure Check