I'm looking for a stunt/crash cage for my 2016 FZ-07. Based on my brief research, "Impactech" seems like a pretty good brand, but they seem to have some issues with the coolant
22+ R7 Full Stunt Cage - Impaktech – The Sic Shop LLC
Amazon.com: Motorcycle Steel Front Engine Guard Crash Bar Protector w/Rear Passenger Peg Subcage Sub-cage Stunt Bar for Yamaha MT09 FZ09 MT FZ 09 Tracer 900 MT-09 FZ-09 2014 2015 2016 (Black) : Automotive