chain case

I have replaced my two bottom large gears from a complete used chain case assembly I bought on eBay. The inner bottom gear that I bought is a couple of mm smaller in width than the old one. After seeing this, I checked the other parts. Sure enough, the chain and the small single top gear were...

I have a 2016 Switchback 800 pro-s and on the last ride of the season I thought I snapped the drive chain as the machine stopped moving but both clutches and the brake caliper were spinning. I finally pulled the chain case cover last night and the chain and both sprockets are fine. i started...