DATE RELEASEED: December 2013 CURRENT REVISION: November 2014 TITLE: YO-233-B2A Series Engine Installation and Operation Manual DOCUMENT PART NUMBER: 60297-40 & 60297-40-B MODELS AFFECTED: YO-233-B2A Series
DATE RELEASEED: November 2012 TITLE: IO-540-AG1A5 Series Engine Installation and Operation Manual DOCUMENT PART NUMBER: 60297-45 MODELS AFFECTED: IO-540-AG1A5 Series
Service Bulletin No. 648C Wastegate Solenoid Valve Inspection and Cleaning February 20, 2025 MODELS AFFECTED TEO-540-C1A TIME OF COMPLIANCE During each scheduled oil change REASON FOR REVISION Added new NOTICE and steps 6 and 7 to the procedure for Helicoil® inspection. Added sentence that S.B provides ICA.
Service Bulletin No. 659 STD-33 Plain Washer Replacement February 20, 2025 MODELS AFFECTED All Lycoming Reciprocating Aircraft Engines TIME OF COMPLIANCE At overhaul or at the next maintenance event which requires removal of STD-33 plain washers, whichever occurs first.
Service Bulletin No. 661 STD-35 Plain Washer Replacement February 20, 2025 MODELS AFFECTED All Lycoming Reciprocating Aircraft Engines TIME OF COMPLIANCE At overhaul or at the next maintenance event which requires removal of STD-35 plain washers, whichever occurs first.
Visit Lycoming at Booth D040-041 at SUN 'n FUN Fly-In and Expo from April 1st – 6th, 2025 in Lakeland, FL! Lycoming Engines is excited to return to SUN ‘n FUN 2025. Make sure to follow Lycoming Engines on social media @LycomingEngines for regular updates leading up to the event. We will be offering three different events/forums: Technical Forum: Maintaining and Trouble Shooting your Lycoming...