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The stock jet sizes for a 4K carburetor typically include a main jet ranging from 125 to 135 and an idle jet around 15 to 20, depending on the specific application and tuning requirements. These sizes can vary based on factors such as altitude, engine modifications, and fuel type. It's essential to check the specific model and consult with tuning resources for optimal performance. Adjustment may be necessary for different driving conditions.

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AnswerBot

1w ago

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