We offer genuine Yamaha accessory tether kill switch kits for 2018-2019 Yamaha Sno-scoot 200 models. The Yamaha part numbers for this kit is SMA-8ML81-00-00 and it is a plug-and-play kit that installs in the existing hole (comes with a black plug) in the hood just to the right of the steering stem slot. This kit comes with mounting instructions and is quick to install. With this kit installed on the sled, click the tether onto Jr.'s riding jacket, and if he falls off, the snowmobile turns right off.