Mikuni Bds26 Service Manual < TOP >

Ensure the float is not punctured (shake it to check for fuel inside). 5. Rebuilding the BDS26

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

Comprehensive Mikuni BDS26 Go to product viewer dialog for this item. Service Manual Guide: Rebuild & Tune The Mikuni BDS26 Go to product viewer dialog for this item.

Lift the plastic float assembly straight up, catching the float needle valve (needle seat plunger) attached to the float tang. mikuni bds26 service manual

Reinstall the main jet and pilot jet. Ensure the jet holder is tightened securely.

Once cleaned and reinstalled, the carburetors must be synchronized and adjusted for the specific engine. Mikuni BDS26 Carburetor Specifications | PDF - Scribd

Inspect the seat for wear. A faulty seat will cause the carburetor to overflow fuel. 4. Rebuild and Assembly Ensure the float is not punctured (shake it

Maintaining this carburetor ensures smooth throttle response, stable idling, and optimal fuel economy. This comprehensive technical guide serves as a workshop reference for dismantling, cleaning, inspecting, and tuning your Mikuni BDS26. 1. Specifications and Component Identification

Do not attempt to remove the carburetor cap screws without first releasing spring tension. Internal components (vacuum piston, metering needle, spring) are under light preload. Sudden disassembly may result in lost parts or diaphragm damage.

The BDS26 is a "double" carb setup, meaning two units operate together. The CV design uses vacuum pressure to lift the throttle slide, allowing for smoother acceleration compared to mechanical carbs. Key Components Controls airflow based on vacuum. Main Jet: Affects fuel flow at high RPMs. Pilot Jet: Affects idle and low-speed performance. Needle/Jet Needle: Controls fuel mix in the mid-range. Float System: Maintains fuel level inside the carb bowl. 2. Mikuni BDS26 Specifications (Typical GV250) Lift the plastic float assembly straight up, catching

Ensure the diaphragm seats perfectly into the rim of the carb body. Replace the spring and cap.

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

Use a vernier caliper or float level gauge to measure the distance from the mating surface of the carburetor body (with the gasket removed) to the top profile of the float. The measurement must read .

When rebuilding, to prevent fuel leaks. Steps for Assembly