20-piece main jet set for PWK Keihin OKO CVK PWM carburetors, consisting of 10 main jets and 10 idle jets. Main bore 100–140.

Compatibility: Pilot, main, and idle jets are available for PWK, CVK, PE, OKO, KOSO, Stage-6, Polini, etc. Note: Compatibility is for reference only; please compare carefully with your original product before purchasing. Pilot and idle jet sizes: 32, 35, 38, 40, 42, 45, 48, 50, 52, 55; Pitch: 6 x 0.75 mm; Nut diameter: 5 mm; Main jet size: 100–178; Thread pitch: 4.7 x 2.5 mm; Nut diameter: 5.7 mm; Overall bore length: 7.9 mm. NOTE: This product is an accessory. Please ensure the image matches the part you require. Otherwise, please do not purchase it, even if your model is listed in the description. The carburetor kit is made of brass and has no burrs or other visible defects. The cables are transparent, smooth, and clean, which facilitates installation. However, professional installation is always recommended. Product details: Intended use: PWK main bore, main jet, auxiliary jet. Dimensions: 1 mm. Model: PWK main bore (100–140) (155–178), freewheel (32–55). Compatible models: PWK carburetor specification: main bore 100–140, freewheel 32–55, main bore 155–178, freewheel 32–55. Fits: Three Kingdoms VM22, VM24, VM26, CVK. Can be used as a PWK carburetor.