2 Stroke main engine troubleshooting This topic has 0 replies, 1 voice, and was last updated 3 years, 4 months ago by cat60y. Viewing 1 post (of 1 total) Author Posts 28/07/2021 at 14:42 #14095 cat60yParticipant ★★ 2 STARContributions: 51 This happened to my contract, MC engine, MAN. One of the main engine unit, exhaust temperature drops rapidly suddenly. Vessel is manuvering with pilot on. 🙂 what do you think is the cause? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In