Mikuni Bds26 Service Manual -

Are you dealing with a configuration?

4.0mm to 5.0mm below the carburetor mix chamber mating surface Critical Component Checklist

Because Mikuni sold this unit directly to manufacturers (OEM), you will rarely find a generic "Mikuni BDS26 Manual" in the wild. Instead, the service data is contained within the respective motorcycle manufacturer's . This carburetor is primarily found on:

13.0 mm to 14.0 mm (Measured from the gasket surface) Idle Speed: 1,300 – 1,400 RPM

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.

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Remove the two top vacuum cap screws using a JIS screwdriver.

Gently lift the rubber diaphragm to pull out the throttle slide and jet needle.

Install the carburetors on the bike. Use a 4-channel vacuum gauge (like a Motion Pro SyncPro).