Off-Road Motorcycles & ATV

Keihin PWK Carburetor

Producing power without compromise, Keihin PWK carburetors have set the standard for two-stroke ATV, motocross, and off-road racing performance. Featuring a chrome plated D-shape cross section slide and a conventional idle speed adjuster, PWK sets the modern standard for two-stroke carburetor performance. Available in 28, 33, 35, 36, 38, and 39mm throttle bores, there's a PWK carb for nearly any two-stroke engine configuration.

PWK Features and Benefits:

• Chromed semi-flat (D) throttle valve for excellent response and flow at high RPM
• Several throttle bores available to give maximum power and flexibility
• Easy jetting with a wide selection of jetting parts available
• Quad Vents: Eliminates post jump bogging from fuel-plugged float bowl vents
• PWK Air Strikers: Directs air to the main nozzle for improved signal and throttle response

PWK Carb Parts Diagram

50-112cc_Keihin Two-Stroke Carbs_Standard Setting

125-500cc_Keihin Two-Stroke Carburetors_Standard Setting

Notice on Carburetor Installation, Tuning, and Repair

Other than exact replacement OEM Carburetors, all Keihin Aftermarket Carburetors and Tuning Components are sold "As Is" for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in locations where applicable engine tampering and anti-pollution laws apply.