It automatically compensates for changes in engine load and atmospheric pressure.
Start at 2.0 to 2.5 turns out from lightly seated. The Needle Clip
This guide serves as your comprehensive manual for the Mikuni BS26, covering everything from basic identification to advanced jetting. 1. Understanding the CV Design mikuni bs26 carburetor manual verified
Standard sizes range from #110 to #130 depending on the OEM application. Pilot Jet: Usually a #15 or #22.5.
Before turning any screws, ensure you are working with the correct parts. A standard BS26 typically features: 26mm It automatically compensates for changes in engine load
If the rubber diaphragm has even a pinhole leak, your bike will bog down or refuse to rev. 2. Verified Specifications & Components
Unlike "slide" carburetors where your throttle cable physically lifts the needle, the BS26 uses a vacuum-operated diaphragm. Before turning any screws, ensure you are working
Hold the rubber slide diaphragm up to a bright light. If you see any light through the rubber, it must be replaced.
Stuck float, dirty needle seat, or incorrect float height.