Sudco Keihin 38mm PWK Air Striker Carburetor. 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. Easy jetting access for fine tuning. Genuine Keihin quality distributed by Sudco. ? Size & Specifications. Venturi (bore size): 38mm. Intake (engine side) OD: approx. Airbox (filter side) OD: approx. 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. ? What’s Included. Sudco Keihin 38mm PWK Air Striker carburetor. Standard jetting installed #170 main, #50 pilot, custom cut slide #7.5, DDJ needle. Spare Jets #165/175 mains, and #48/55 pilot jets. Proper jetting is critical for engine performance and longevity. Carburetor will require tuning based on your elevation, temperature, fuel, exhaust, and engine modifications. For certain models a larger intake boot, or airbox boot modification might be required.
