Stage 3 is for motorcycles with stock or lightly modified engines with individual air intakes and baffled aftermarket exhaust system.
Modifications to the air intake and/or Exhaust system to your motorcycle 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 and do not require drilling the needle slides but does require some basic carb tuning knowledge.
Refer to your shop manual for carburetor removal and installation.