Mikuni Bs25 Carburetor Diagram !!install!! | Must See |

Intake side inner diameter: 25mm. Compatible with GY6 150cc 4 stroke. Fuel drain comes out at 90 degree angle. Fits 150cc engines. VMC Chinese Parts

Mikuni BS25 is a Constant Velocity (CV) carburetor commonly found on 125cc to 150cc 4-stroke engines, such as the GY6 series used in various scooters and ATVs. Because it is a CV-style carburetor, it uses engine vacuum to lift a diaphragm and slide rather than a direct mechanical cable connection. Mikuni BS25 Components Breakdown mikuni bs25 carburetor diagram

Located at the bottom of the bowl to empty old fuel or contaminants. VMC Chinese Parts Technical Specifications Measurement Intake Side ID Intake Side OD Air Filter Side ID Air Filter Side OD Typical Application GY6 150cc 4-stroke engines Further Exploration Detailed Rebuild Guide: CV Carburetor Rebuild Tutorial Intake side inner diameter: 25mm

The Mikuni BS25 carburetor diagram is an invaluable resource for troubleshooting common issues, such as: Fits 150cc engines

The Mikuni BS25 is a marvel of mechanical precision. Unlike slide carbs (VM series), the BS25 uses engine vacuum to lift the slide, providing smooth, linear power delivery and excellent fuel economy. However, its complexity means that without a proper diagram, a simple cleaning can turn into a nightmare of misplaced washers and leaking floats.

The orifice tube contains the main jet. A fuel enricher screw, located in a recessed area, controls fuel at idle and low throttle. MotorcycleProjects DCC Presents: A Guide to Mikuni Carbs

: If the rubber diaphragm at the top of the carburetor develops even a pinhole leak, the slide will not lift properly, resulting in a loss of power and poor acceleration.