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Installing a performance exhaust system is one of the first modifications people make to their sport bikes. But in order to reap the full benefits of the increased flow (and usually to ensure the engine even runs properly), an aftermarket carburetor jet kit is required. Improved flow at the exhaust side usually results in an engine flowing more air on the intake side, meaning that the carburetors must compensate with more fuel to ensure the correct mixture. Although a carburetor seems incredibly complicated, its inner workings are fairly straightforward, and as long as you take each step in a jet kit installation carefully, you'll be well on your way to improved performance.
CRZ-21-48
CRB-H34-1.0
CRB-H42-1.0
CRB-H72-1.0