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.
This kit include 2 Pilot Jets ( #48 and #50), Four Main Jets ( #130, #132, #135, and #138) and two needle shims for your carburetor.
Multi Stage is for those experimenting with different engine, air intake and exhaust systems. This is stage #2 #3 #4 & #5
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.
Jet Kits will compensate for the lean running condition.
Lean running conditions can destroy your engine and decreases overall performance.
Jet kits are easy to install but you do need to have some basic carburetor tuning knowledge.