The innovative JX21-B07 engine includes new crankcase, carburetor, backplate, and piston cylinder. The carburetor provides great power that is easy to drive, provides consistent tuning, and is fuel efficient.
The innovative JX21-B06 Black engine is the same configuration as the JX21-B06 engine, but with a black anodized cooling head and includes the easy to tune 22E carburetor with 6.5mm reducer.
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