ATV Carburetor Adjustment involves tuning your ATV’s carb for maximum performance. How do I know my jetting is off? My ATV bogs down a lot, is jetting to blame? I have performance parts, what now?
Holley has always offered vacuum-secondary performance carburetors in two versions--4150 models with replaceable jets in the secondaries, and 4160 models with a metering plate and no replaceable jets.
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