Keihin 42mm 42 mm PWK Carburetor Carb Honda rm500 CR500 CR 500R yz490 Lt500
New old stock, unit was bored from 39mm to 42mm and a CNC machined velocity section for slightly more top end performance.
New old stock, unit was bored from 39mm to 42mm and a CNC machined velocity section for slightly more top end performance.
