ZSDTRP Universal PWK 21 24 26 28 30 32 34 2T 4T Engine Carburetor Carburador With Power Jet For Koso OKO Keihin 75cc-350cc Key features: Universal modifications Quicker acceleration Saves fuel Best sales service Specifications: Manufacturer: ZSDTRP Make: Universal Model: All models Year: All years Style: Flat slide TM series carburetor Color: Natural color Size: 21 mm: 50cc to 100cc engine 24 mm: 90cc to 125cc engine 26 mm: 90cc to 125cc engine 28 mm: 125cc to 150cc engine 30 mm: 150cc to 250cc engine 32 mm: 250cc to 300cc engine 34 mm: 250cc to 350cc engine Reminder: 1) Fits on 2/4 T 50cc to 350cc engines (1/2/4 cylinder motors are universal) 2) Keihin Oko Koso and ZSDTRP are the same models, only the carburetor body branding is different. 3) You can purchase a carburetor 50cc higher or lower than your original to save gas and ride faster. 4) You can choose the size and body name you need.