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The WORKS Pro Launch Start Device Red is designed to fit 2019, 2020, 2021, 2022, and 2023 Yamaha YZ85 motorcycles. Its spring-less design provides positive engagement and consistent release, while the rider-set start trigger supports straightforward operation.
CNC machined exclusively from aircraft-grade aluminum, the complete assembly weighs 50 grams. The device features a laser-etched WORKS logo and is engineered, manufactured, and assembled in the USA. Installation materials include a custom drill guide template, countersinking tool, and detailed instructions with large step-by-step photos.
Manufacturer part number: 12-401. Vendor part number: 66-12401. Fits 2019–2023 Yamaha YZ85 models.
Features:
- Spring-less design delivers positive engagement and consistent release
- Easy-set-by-rider start trigger
- CNC machined from aircraft-grade aluminum
- Complete assembly weighs 50 grams
- Custom drill guide template and countersinking tool included
- Detailed installation instructions with large step-by-step photos
- Laser-etched WORKS logo
- Engineered, manufactured, and assembled in the USA
- U.S. Patent Nos. 8,727,081 and 9,394,963
- Fits 2019–2023 Yamaha YZ85
Fitment:
2019 Yamaha YZ85
2020 Yamaha YZ85
2021 Yamaha YZ85
2022 Yamaha YZ85
2023 Yamaha YZ85