2003 Polaris 3 PRO X Factory Service Manual, Page 110Get this manual

2003 Polaris 3 PRO X Factory Service Manual, Page 110

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CARBURETION Component Effect vs Throttle Opening
Throttle Valve Cut-Away Jet NeedleNeedle Jet Polaris TM-38TM-40 Mikuni component effect versus throttle opening chart
needle valve main jet