OKO Carburetors - Performance PWK Options:21 Intended for off-road and racing

Intended for off-road and racing use only

Designed specifically for vintage Vespa Large Frame (LF) models from the 1960s and 1970s

Variator Drive Face for 250cc 4-stroke water-cooled CN250 172mm engines

broad operating temperature range

Please check measurements to confirm fitment

OKO Carburetors - Performance PWK Options:21 Intended for off-road and racingOKO High Performance PWK Carburetors. Choose from 19mm to 30mm sizes. The main jet and idle pilot jet sizes are as follows: 19mm Carb: main 95, idle 42 21mm Carb: main 103, idle 42 24mm Carb: main 107, idle 46 26mm Carb: main 112, idle 46 28mm Carb: main 130, idle 48 30mm Carb: main 138, idle 48 PWK OKO Carburetors Outer Diameter (intake): 34. 5mm Outer Diameter (air filter mount): 49. 5mm Manual Choke Includes Intake Manifold Boot & Clamps Please