Mikuni Bds26 Service Manual

Carefully seat the diaphragm in its groove before tightening the top cap. 5. Tuning and Setup Once installed, the BDS26 needs to be synchronized.

If you strictly need the official PDF diagrams:

Work in a highly ventilated area away from open flames or sparks.

Ensure the alignment tab of the rubber diaphragm fits perfectly into the corresponding recess groove on the top rim of the carburetor body. mikuni bds26 service manual

to access the main and pilot jets. Ensure the pilot jet is completely clear, as its tiny orifice often clogs with old fuel.

Standard Phillips heads will strip Mikuni brass screws.

Remove the top cap to access the rubber diaphragm and vacuum slide. Inspect for tears or pinholes. Carefully seat the diaphragm in its groove before

Lightly seat the pilot air screw, then turn it out (counter-clockwise) 2 to 2.5 full turns as a starting point. 5. Synchronization and Tuning

17mm ± 1mm (standard) or 6.2–8.2mm (bench spec for some models) 1. Disassembly & Cleaning

A typical page in the BDS26 service manual will list: If you strictly need the official PDF diagrams:

#90 (Front), #87.5 (Rear) — Note: Jets may differ between front and rear cylinders. Pilot Jet (P.J.): #20 Jet Needle (J.N.): 2nd clip position (Standard)

For critical adjustments, track down the or the OEM vehicle service manual (e.g., 1992 Arctic Cat Prowler manual). The part number you need is often Mikuni BDS26-1 .