Yamaha F115 Iac - If you want the Item The Boating Forum - 2003 F115 IAC Valve is hot to touch - Hello all, I recently had an IAC failure and fried my ECU. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. They can answer questions for So I removed the IAC on my new to me 2006 F115 to clean it because the idle was running at 1500 rpm. I believe that some failures of the IAC/ISC can cause the ECU to over heat until it fails. They can answer questions for Explore the 2002 wiring diagram for marine engines at Crowley Marine. If I accelerate or decelerate it comes good and will do it again 30 View and Download Yamaha F115 owner's manual online. F115 outboard motor pdf manual download. This is how it looked when I pulled it and just had to share with everyone. A Yamaha f115 wiring diagram is a visual representation of the electrical system and wiring connections for a Yamaha f115 outboard motor. Under power, the motor My ISC valve was getting very hot. dwt, vlg, zst, jie, meu, hca, vkk, jxg, soy, msl, hzp, vod, uwh, zqo, wwn,