Use a properly sized screwdriver to avoid stripping the brass. Remove the main jet, pilot jet, and needle seat.
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The Mikuni BS26 relies on engine vacuum to lift its slide. Understanding how these parts interact is critical for effective troubleshooting. mikuni bs26 carburetor manual verified
The Mikuni BS26 is a Constant Velocity (CV) carburetor widely used in mid-sized motorcycles and ATVs, such as the Suzuki VanVan. Unlike direct-link slide carburetors, the BS26 uses a vacuum-operated diaphragm to control the throttle slide, ensuring smooth acceleration and consistent fuel efficiency. Mikuni Power Core Metering Systems Use a properly sized screwdriver to avoid stripping
| | Main Jet | Pilot Jet | Needle Jet | Pilot Air Screw (turns out) | Float Height | | :--- | :--- | :--- | :--- | :--- | :--- | | BS26-49 | 107.5 | 42.5 | 4DX8-3 | 2-3 turns (±?) | 21.4 mm | | BS26-61 | 107.5 | 42.5 | 4DX8-4 | 2-3 turns (±?) | 21.4 mm | Understanding how these parts interact is critical for
[ Top Cap / Vacuum Cover ] │ [ Return Spring ] │ [ Diaphragm & Slide Valve ] ─── [ Jet Needle ] │ [ Main Carburetor Body ] ──── [ Choke Assembly ] │ [ Float / Needle Valve / Jets ] │ [ Float Bowl ] The Top Section (Vacuum Chamber)
The Mikuni BS26 carburetor is a popular and widely used carburetor model in the automotive and motorcycle industries. Known for its reliability and performance, the BS26 carburetor has been used in various applications, including motorcycles, scooters, and ATVs. In this article, we will provide a comprehensive guide to the Mikuni BS26 carburetor manual, verified and accurate information to help you understand and work with this carburetor model.