Posted in AVIATION NEWS, ROTAX SERVICE INSTRUCTIONS, SERVICE BULLETIN, TECH TIPS Rotax TECH TIPS SB Replacement of oil filter William 2017-11-06 Author: William Related Articles Enstone SSDR Rally, UK EAA AirVenture – UPDATE RS AEROTECH and SEAREY join for high tech testing … Interview with Michael Stock – Inventor of the CANaerospace protocol and the new 912iS EMU.