PHBH 28 BS Carburetor

The Dell'Orto PHBH 28 BS carburetor, identified by reference SKU 3302, is a prominent choice for enhancing large-frame Vespa engine performance. This versatile carburetor is specifically engineered for 2-stroke (2T) applications and is recognized for its reliable pull/lever starting mechanism. Constructed with precision, the PHBH 28 BS features a 28mm diffuser diameter, a 35mm outer intake, and a 58mm outer connection for air filters. Internally, it is equipped with a 70 starter jet, a 55 idle jet, and a 105 main jet, paired with an X2 needle and a round slide (40). The float assembly is a 200 model, weighing 6.5 grams (9010.2). Notably, this model has no vacuum or oil connections and features left-side adjustment. This carburetor is suitable for engines ranging from 125cc to 300cc, accommodating both 2-stroke and 4-stroke configurations, though this specific model is designated for 2T. It is a common upgrade for Vespa models, offering a balance of performance and compatibility.