Spade connectors for engine temp sensors
Oil temp sensor (x1) and coolant sensors (x2) all Rotax P/N 965531

Spade terminal 6.3x0.8mm required

Since 20AWG wire will be used (since routed directly to pins on EMS220) possibly either TE 640903-1 or 9-160583-2 (both are tin-plated brass) can be used.

The TE 58433-3 crimper is suitable for both
https://au.element14.com/c/connectors/crimp-terminals-solder-terminals-splices/quick-disconnect-crimp-terminals?st=TE+640903
https://au.element14.com/amp-te-connectivity/9-160583-2/terminal-socket-22-15awg/dp/1863536?cfm=true
Both MOQ 10
This post is from Adam Dickson