Main Jet Kit Motoforce PWK (10 pcs)

PWK and Polini CP Carburetor Main Jets
Main jet set for PWK and Polini CP carburetors. Essential after engine modification, this set contains 10 precision-made jets in increments of 2 or 3. Ideal for achieving the perfect carburetor setting and adapting to weather conditions at any time. Precise and compatible with many carburetor models.

PWK jets are available in several sizes:
Sizes: 98 to 120
Sizes: 122 to 145
Sizes: 145 to 170
Sizes: 172 to 195
Sizes: 198 to 220
Sizes: 222 to 245
Sizes: 248 to 270
Sizes: 272 to 295

When tuning the carburetor, always install a main jet that is too large. When driving at full throttle, the engine should start to sputter. You then need to gradually reduce the main jet size until the engine runs smoothly.