Dynojet
T40-9937-73-OR
2003-2004 Yamaha YZ450F Dirt Bike Performance Stage 1 Jet Kit
SKU: T40-9937-73-OR
Jets & Jet Kits
Includes Step-By-Step Instruction
For Stock Engines Using the Stock Airbox, Air Filter and Stock Pipe
Fully Adjustable to Allow the Use of a Well Designed Aftermarket Pipe and Stock Replacement Air Filter like K&N
Designed to Improve Throttle Response and Drivability and in Most Cases Power Increases by Approximately 5% Throught the Entire Power Range
Compatibility: 2003-2004 Yamaha YZ450F
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