Stage 2 is for ATV with stock or lightly modified engine with improved air intake using stock air intake box and baffled aftermarket exhaust or lightly modified exhaust
Modifications to the air intake and/or Exhaust system to your ATV will change the air/fuel mixture to your carburetors causing a lean running condition.
provides Jet Kits to compensate for the lean running condition.
Lean running conditions can destroy your engine and decreases overall performance.
Jet kits are easy to install but does require some basic carburetor tuning knowledge.
Refer to your shop manual for carburetor removal and jet installation.