Features:

• Power-Up jet kit makes jetting your carb simple
• FMF teamed up with Dynojet to produce a kit that offers a selection of jets and/or needles to get maximum horsepower out of ATV fitted with an FMF exhaust
• Easy to use instructions have diagrams and step-by-step procedures to help you get your jetting where it needs to be, no matter the elevation
• No more driving back and forth to the dealer with a handful of jets and needles with a million questions running around in your head on where to start
• Not legal for use in California on pollution controlled vehicles, race use only in California – waiver available

Fitment
Yamaha YFZ450 2004
Yamaha YFZ450 2005