Polini PWK 30mm Carburetor: Honda Dio, SYM DD, 72cc Big Bore

Race-Grade Performance: Polini PWK 30mm Racing Carburetor The Polini PWK 30mm is widely considered the best-performing "D-slide" carburetor on the market. Unlike standard flat-slides, this Italian-engineered masterpiece features a turned-out intake tract and machined funnel for superior airflow and instantaneous throttle response. It is the gold standard for high-end 70cc–90cc 2-stroke builds and 125cc–300cc 4-stroke tuning. Why the Polini PWK Outperforms: Precision Machined: CNC-finished intake duct ensures maximum airflow precision—no "rough" casting marks here. Simplified Tuning: Polini purposely removed the troublesome "Power-Jet" system used in cheaper clones, ensuring a more stable and reliable tune. Universal Parts Support: Uses standard PWK main and pilot jets , making it incredibly easy to find tuning components locally. Race-Ready Finish: Lightweight chrome-alloy slide is highly resistant to abrasion and wear for long-term consistency. Model Fitment Guide This 30mm unit is a primary performance upgrade for the following "Rugged" and Performance platforms: Engine / Model Type Recommended Application Honda Dio / Elite AF16, AF18, AF27, AF28 with 72cc+ Big Bore Kits Yamaha Zuma / BWS Zuma 50 (Vertical/Horizontal) and Zuma 125 builds GY6 Platforms 150cc to 232cc high-performance "stroker" builds European 2T Aprilia SR50, RS50, Derbi Senda, and SYM DD50 Vespa / Lambretta Vintage 2-stroke performance tuning (requires manifold) Technical Specs Carburetor Size: 30mm Main Jet: #118 (Pre-installed) | Pilot Jet: #45 Manifold Connection: 35mm (Fits standard PWK/OKO rubber boots) Air Filter Mount: 48.8mm (Fits most pod-style high-flow filters) Choke: Integrated Manual Pull-Button Original Parts For Scooters SKU 146-8-30 Pro Builder Tip: When moving to this 30mm carb, you must use a high-flow intake manifold with a 35mm opening. We recommend pairing this with the Polini Evolution Reed Valve for the ultimate intake path. This product is intended for off-road use only. This product is not intended for use on public roads or land. This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing. *Performance upgrades are considered racing parts and are not covered by warranty.