BRP 420431640 Stator Cover Gasket

Technical specification for BRP OEM gasket part number 420431640. This component seals the stator/magneto cover on Rotax ACE series engines. It prevents oil leakage and contaminant ingress at the ignition cover interface. Compatible with 600 ACE and 900 ACE naturally aspirated and turbocharged variants. Supersedes to part number 420431642. Used across Ski-Doo snowmobile, Sea-Doo personal watercraft, and Can-Am off-road vehicle platforms. Material construction features oil-resistant elastomer bonded to a metal carrier for dimensional stability under thermal cycling. Installation requires clean, dry mating surfaces and torque to OEM specification. Cross-references include WSM 007-573-10 and SBT 708SB117.