Custom processing is the purpose 1 Size PWK21 24 26 28 30 32 34 (mm) OKO KOSO KEIHIN Model PWK21 24 26 28 30 32 34 Applicable models Off-road vehicle modification vehicle ATV UTV Item number SCL-2015010019 Specifications PWK 21 MM, PWK 24 MM, PWK 26 MM, PWK 28 MM, PWK 30 MM, PWK 32 MM, PWK 34 MM part number pwk matching engine model 100-350CC acceleration 1 product name: PWK 21 /24mm/26 mm 28 30 32 34 zsdtrp modified carburetor accessories : Provide fuel injector installation Model: Motorcycle general weight: 550g 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