DYNOJET Jet Kit - Yamaha YZ250F 4132 crankbrothers Replacement shield for Z1R Warrant

Replacement shield for Z1R Warrant helmets

Contains non-toxic polymer crystals

adjustment and deflation

Front Ageless logo graphic

The magnet can hold weight up to 1 lb

DYNOJET Jet Kit - Yamaha YZ250F 4132 crankbrothers Replacement shield for Z1R WarrantJet Kit Yamaha YZ250F Stage 1: stock engine filters, stock modified pipes; about a 5% power increase, Stage 2: stock mild modified engine, stock modified pipes, stock modified filters; about an 8% power increase, Stage 3: stock mild modified engine, stock modified pipes, individual air filters; driveability may be compromised, N A for some motors; about a 10 15% power increase, Stage 7: race only, high rpm, not for street use, Increases power and