Mikuni Bds26 Service Manual !!better!! -

Finding a specific service manual for the Mikuni BDS26 carburetor can be difficult because, unlike the popular "VM" series, the BDS series is often manufactured as an Original Equipment (OEM) part for specific motorcycle brands (most notably Suzuki and Hyosung).

Unlike traditional slide carburetors, the BDS26 utilizes a vacuum-operated diaphragm to control the slide position. This design offers smoother throttle response, better fuel economy, and reduced emissions, but it requires specific maintenance procedures different from those of manual-slide carburetors. This document outlines identification, disassembly, inspection, reassembly, and tuning protocols. mikuni bds26 service manual

3. System Operation

Understanding the operation is vital for diagnostics: Finding a specific service manual for the Mikuni

The BDS26 has very narrow passages that clog easily with old, "varnished" fuel. Float Bowl Disassembly: Main Jet (M

Float Bowl Disassembly:

Main Jet (M.J.): #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)