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
WR250F 2005 - 2013 Part No. 27-717.FMF

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
WR250F 2005 - 2013 Part No. 27-717.FMF


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