Upgrade your throttle response and overall performance with this genuine Sudco Keihin 38mm PWK Air Striker carburetor. The Air Striker design improves airflow efficiency and fuel atomization, delivering crisp acceleration, strong midrange pull, and excellent top-end power.
Perfect for serious motocross and off-road riders looking for reliable, race-proven performance.
38mm bore for increased airflow and stronger top-end power
Air Striker quad-vent system for improved throttle response
Smooth power delivery across the RPM range
Easy jetting access for fine tuning
Genuine Keihin quality distributed by Sudco
Venturi (bore size): 38mm
Intake (engine side) OD: approx. 46mm
Airbox (filter side) OD: approx. 62mm
Overall length: approx. 98mm
Spigot mount design
Cable operated slide
Replaceable main & pilot jets
(Measurements are approximate — always confirm compatibility with your intake boot and airbox boot before purchasing.)
Frequently used on high-performance 125cc–250cc 2-stroke applications including:
Honda CR125 / CR250
Yamaha YZ125 / YZ250
Kawasaki KX125 / KX250
Suzuki RM125 / RM250
Also great for custom builds, big bore kits, and modified engines.
Sudco Keihin 38mm PWK Air Striker carburetor
Carburetor has been pre jetted with standard 125cc jetting, a #172 main, 48 pilot, custom cut slide, DDJ needle, and additional jets are supplied which includes 4 mains, 2 pilots for fine tuning
Proper jetting is critical for engine performance and longevity. This Carburetor will require tuning based on your elevation, temperature, fuel, exhaust, and engine modifications.