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The WORKS 12-414 Pro Launch Start Device Red is designed for positive engagement and consistent release during starts. Its spring-less design includes an “easy set by rider” start trigger and is CNC machined exclusively from aircraft-grade aluminum. The complete assembly weighs 50 grams.
This start device fits 2008–2014 Yamaha YZ125 models and 2008–2010 Yamaha YZ250 models. The package includes a custom drill guide template, countersinking tool, and detailed installation instructions with large step-by-step photos. The device also features a laser-etched logo and is engineered, manufactured, and assembled in the USA.
Manufacturer part number: 12-414. Vendor part number: 66-12414.
Features:
- Spring-less design delivers positive engagement and consistent release
- “Easy set by rider” start trigger
- CNC machined exclusively from aircraft-grade aluminum
- Lightweight complete assembly weighs 50 grams
- Includes custom drill guide template and countersinking tool
- Detailed installation instructions include large step-by-step photos
- Laser-etched logo
- Fits 2008–2014 Yamaha YZ125
- Fits 2008–2010 Yamaha YZ250
- Engineered, manufactured, and assembled in the USA
- U.S. Patent Nos. 8,727,081 and 9,394,963
Fitment:
2008 Yamaha YZ125
2008 Yamaha YZ250
2008 Yamaha YZ250F
2008 Yamaha YZ450F
2009 Yamaha YZ125
2009 Yamaha YZ250
2009 Yamaha YZ250F
2009 Yamaha YZ450F
2010 Yamaha YZ125
2010 Yamaha YZ250
2011 Yamaha YZ125
2011 Yamaha YZ250
2012 Yamaha YZ125
2012 Yamaha YZ250
2013 Yamaha YZ125
2013 Yamaha YZ250
2014 Yamaha YZ125
2014 Yamaha YZ250