Keihin PWK28mm Carburetor Complete - As on many bikes like Sherco Ref 1123
Genuine Sherco Part. Fits All Sherco Trails Models ST250 & ST300. KEIHIN PWK28 Carburator. Genuine Keihin from Japan . The motocross world knows PWK. Keihin PWK carburetors are the dominant carbs on the factory motocross machines.