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DYNOJET Jet Kit - Stage 1/2 Yamaha YFZ 450 06-09
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The Dynojet Stage 1/2 Jet Kit enhances horsepower, throttle response, and overall drivability for both stock and mildly modified engines. Stage 1 is designed for stock engines with factory or modified pipes and filters, delivering an approximate 5% power increase. Stage 2 supports engines with mild intake and exhaust modifications and provides around an 8% gain. Fully adjustable and manufactured from high-quality brass, this kit allows precise tuning to match your motorcycle’s setup and ensures consistent, improved performance across the rev range.
Features:
Features:
| YAMAHA | YFZ 450 | 2009 | AMERICA | ||||
| YAMAHA | YFZ 450 | 2008 | AMERICA | ||||
| YAMAHA | YFZ 450 | 2007 | AMERICA | ||||
| YAMAHA | YFZ 450 | 2006 | AMERICA | ||||
| YAMAHA | YFZ 450 BB | 2007 | Bill Ballance Edition | AMERICA | |||
| YAMAHA | YFZ 450 BB | 2006 | Bill Ballance Edition | AMERICA | |||
| YAMAHA | YFZ 450 R | 2009 | AMERICA | ||||
| YAMAHA | YFZ 450 RSE | 2009 | Special Edition | AMERICA | |||
| YAMAHA | YFZ 450 SE | 2007 | Special Edition | AMERICA |

Founded in 1972, Dynojet is the world leader in performance enhancement products for motorcycles and cars. Push the limit of your vehicle with our powersports vehicle parts.
| Brand | Model | Year | Name | CC |
|---|---|---|---|---|
| YAMAHA | YFZ | 2006 | 450 | |
| YAMAHA | YFZ | 2006 | Special Edition | 450 |
| YAMAHA | YFZ | 2006 | Bill Ballance Edition | 450 |
| YAMAHA | YFZ | 2007 | 450 | |
| YAMAHA | YFZ | 2007 | Special Edition | 450 |
| YAMAHA | YFZ | 2007 | Special Edition 2 | 450 |
| YAMAHA | YFZ | 2007 | Bill Ballance Edition | 450 |
| YAMAHA | YFZ | 2008 | 450 | |
| YAMAHA | YFZ | 2008 | Special Edition | 450 |
| YAMAHA | YFZ | 2008 | Special Edition 2 | 450 |
| YAMAHA | YFZ | 2009 | 450 | |
| YAMAHA | YFZ | 2009 | 450 | |
| YAMAHA | YFZ | 2009 | Special Edition | 450 |
DYNOJET Jet Kit - Stage 1/2 Yamaha YFZ 450 06-09
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