Mikuni Bds26 Service Manual -

Insert the slide into the carburetor bore. Ensure the guide tab aligns perfectly with the slot in the carburetor body.

Unscrew the top covers. Carefully pull out the slide and diaphragm. Inspect the rubber for pinholes or tears by holding it up to a light. If it’s torn, the slide won’t lift, and the bike will lose power.

The Mikuni BDS26 is a 26mm dual constant velocity (CV) carburetor commonly found on motorcycles like the and Hyosung GV250 . 1. Technical Specifications mikuni bds26 service manual

Apply a microscopic smear of silicone grease or clean engine oil to O-rings to prevent pinching during installation.

A responsible service manual includes a “What NOT to do” section: Insert the slide into the carburetor bore

Working with carburetors exposes you to flammable fuel and sensitive aluminum parts. Follow proper safety protocols. Safety Precautions

The Mikuni BDS26 service manual is available from a variety of sources, including: Carefully pull out the slide and diaphragm

The Mikuni BDS26 is a specialized, dual-throat, constant velocity (CV) carburetor, most famously associated with from the late 1980s through the 1990s (e.g., FXRs, Softails, Dynas). Unlike the more common single-throat CV40 or CV44, the BDS26 uses two separate 26mm venturis fed by a shared fuel bowl, acting effectively as two carburetors in one casting.

Locate the float hinge pin. Use a small punch to gently slide the pin out of its towers.

Install the pilot jet into its recessed passage. Do not over-tighten brass-into-aluminum threads.

Spray aerosol carb cleaner through every single orifice. Ensure fluid exits cleanly from the corresponding exit holes inside the bore. Mechanical Orifice Clearing