08-09 YZ450F POWER-UP KIT, FMF 012643 YAMAHA MX

FMF POWER UP KIT

FMF has teamed up with Dynojet to produce a kit that offers you a selection of jets and/or needles to get maximum horsepower out of your bike fitted with an FMF exhaust Includes easy to use instructions with diagrams and step-by-step procedures to help you get your jetting where it needs to be, no matter what elevation you ride at.

YAMAHA
09 YZ450FYL (Blue)
09 YZ450FYW (White)
09 YZ450F
08 YZ450FX
08 YZ450F

Part No. 27-708.FMF (oro2u.com)