Mikuni Bds26 Service Manual

Turn the pilot mixture screw clockwise while counting the exact number of half-turns until it seats gently.

Invert the carburetor and remove the four screws securing the float bowl.

Usually around 12mm to 14mm (check your specific bike's factory service manual for the exact millimeter). mikuni bds26 service manual

The following specifications are standard for the Mikuni BDS26 used on 250cc V-twin applications: Specification Idle Speed 1,450 – 1,550 RPM Float Height Main Jet (Front/Rear) Main Air Jet Pilot Jet Jet Needle 2nd groove Throttle Cable Play 0.5 – 1.0mm 2. Essential Maintenance & Cleaning

If the distance is not between 13.0 mm and 14.0 mm, carefully bend the small metal tang on the float arm using needle-nose pliers until the specification is reached. 3. Slide and Top Cap Reassembly Turn the pilot mixture screw clockwise while counting

Needle-nose pliers, digital calipers (for float height), and an ultra-fine wire set or guitar strings.

Pay special attention to the tiny holes near the throttle butterfly valve. These are critical for a steady idle. Step 3: Inspection and Float Height The following specifications are standard for the Mikuni

Note: As per the fuel system maintenance , always shut off the fuel cock and disconnect the fuel hoses. 4. Disassembly and Cleaning Procedure

Use compressed air to blow out every passage. Air drying ensures no liquid solvent remains trapped inside the circuits. 5. Reassembly and Critical Adjustments

Wear fuel-resistant nitrile gloves and chemical splash goggles.