Carburettor PWK38S KTM Husqvarna Gasgas Keihin Short Body

The PWK38S is a Keihin PWK 338 Short Body Quad Vent Air Striker Carburettor engineered for high-performance motocross and enduro applications. It features a semi-elliptical section valve to improve airflow, a chromed valve surface for extended durability, and optimized fuel mixture control for consistent throttle response. Designed as a direct OEM replacement, it offers universal fitment based on size and is compatible with a wide range of 2-stroke off-road motorcycles.

Features

• Semi-elliptical section valve for improved flow characteristics
• Chromed valve surface for reduced wear and enhanced durability
• Maintains high-end RPM performance and prevents engine sluggishness
• Rapid throttle response in the first quarter of throttle movement
• Enriched carburetion at half-throttle for slick dirt or wet conditions
• Optimized fuel use at full throttle to reduce loss and enhance performance
• Suitable for motocross and enduro use
• Wide range of tuning components available (needles, jets, valves)
• Manufactured to stringent standards for reliability
• Universal application based on size; not model-specific
• Image must be reviewed before ordering to confirm correct fitment

Specifications

• Model: PWK38S
• Type: Keihin PWK 338 Short Body Quad Vent Air Striker Carburettor

Vehicle Fitments

• HQV 250/300 2T (2017–2019)
• HQV/Gas Gas 125/150 carburetted models (2017–2022; excludes XC-W TPI/TEi models)
• KTM 250 SX (2020–2022)
• HQV TC 250 (2020–2022)
• Gas Gas MC 250 (2022)
• KTM 250 EXC (2017)
• HQV TE250 (2017)
• KTM SX125 (2009–2013)
• Kawasaki KX125
• Yamaha YZ125 (2022)
• Yamaha YZ125X
• Yamaha YZ250 (1987–2022)