Mikuni Bds26 Service - Manual

For those servicing the Mikuni BDS26 (a double-carburetor setup often found on models like the Hyosung GV250), a critical feature within official service documentation is the Detailed Component Specification Table

The Mikuni BDS26 is a popular carburetor found on many small-to-mid-sized Japanese motorcycles from the 1980s and 1990s, particularly popular on twin-cylinder bikes like the Yamaha Virago 250, various Suzuki GS models, and early Kawasaki Vulcan 500s. Known for their reliability but sensitivity to dirt, maintaining this carburetor is key to optimal performance.

A service manual must include a decision tree: mikuni bds26 service manual

Blast compressed air through every jet and internal passage.

For precise float height verification.

What is your Mikuni BDS26 installed on?

Unlike its high-performance siblings (like the TM or HSR series), the BDS26 is not intended for drag racing but rather for . It features a simple construction with a direct cable-actuated butterfly throttle plate and a diaphragm-controlled slide for the main fuel circuit. Recognizing the layout of the butterfly plates is crucial during reassembly, as installing them incorrectly can result in binding or improper idle sealing. For those servicing the Mikuni BDS26 (a double-carburetor

Incorrect float height causes either fuel starvation at high speeds or fuel overflowing into your airbox and engine oil.

If you can tell me what you are experiencing (e.g., hard starting, stalling at idle, high speed hesitation), I can provide more specific troubleshooting advice. Alternatively, For precise float height verification

A responsible service manual includes a “What NOT to do” section:

This document contains an exploded view, a complete parts list (jets, needles, etc.), and specific maintenance steps for the . It is available for reference on Scribd and ATKUSA .