Patched | Mikuni Bs25 Carburetor Diagram

Since this is a community creation, you won’t find it on Mikuni America’s website. Search directly for:

The is a constant-velocity (CV) carburetor frequently used in 150cc 4-stroke engines, such as the GY6 series. It is designed to provide smooth acceleration and fuel efficiency compared to mechanical slide carburetors. Key Specifications Bore Size: 25mm inner diameter on the intake side. Outer Diameter: 34mm (intake) and 42mm (air filter side). mikuni bs25 carburetor diagram patched

This report analyzes a “patched” version of the BS25 diagram, focusing on common failure points, aftermarket modifications, and how the patch alters original Mikuni engineering. Since this is a community creation, you won’t

In emergencies, a tiny smear of flexible "Plasti-Dip" or specialized rubber cement can temporarily seal a tear in the diaphragm, though this is a short-term solution. Key Specifications Bore Size: 25mm inner diameter on

Located on the intake manifold side or the top of the body. These are frequently capped (patched) with rubber vacuum caps if a vacuum-operated petcock or PCV system is not in use. Idle Mixture Screw:

However, searching for a standard exploded view often leads to confusion. You may have stumbled upon the term This is not an official Mikuni document, but a community-driven modification to the original schematic.