Mikuni Racing – VM28-418 28mm TM Flat Slide Series Carburetor #VM28-418 – Genuine Mikuni.

Carb No – #VM28-418 – Size 28mm – Main Jet 4/042 Size 180 – Pilot Jet VM22/210 Size 15 Needle Jet/Series VM30/46-P-8/175 – Jet Needle 5DP39 – Throttle Valve 832-33001-2.5 – Air Jet – None.

Flat Slide Carburetors – Mikuni’s TM Series flat slide carburetors deliver notable performance gains over traditional round slide designs. Thanks to the flat slide configuration, air flows faster and more smoothly through the venturi and jet blocks, creating a refined, “smoothbore” effect. This high-velocity airflow increases vacuum at the needle jet, resulting in more precise fuel metering and improved throttle response.

The TMX carburetor is designed with smooth bore venturi, enhancing throttle response and delivering a broader powerband. Its innovative float system, featuring independently moving floats and a main jet housed in a baffle chamber, ensures consistent performance even on the roughest terrain. TMX Series Carburetors come in 35mm bore sizes for 125cc race engines and 38mm bore sizes for 250cc or larger race engines.

If shows out of stock, special order available – This item is drop ship-able from Mikuni American. Please inquire for current lead times.

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