Re: Magneto plate and retaining ring Home › Forum › Ask A Member › Magneto plate and retaining ring › Re: Magneto plate and retaining ring crosbymanCanada Member - 2 YearsReplies: 3588Topics: 326 October 30, 2018 at 2:03 pm #85208 7.5hp 57-58 layout on marineengine.com http://www.marineengine.com/parts/johns … =Powerhead Joining AOMCI has priviledges 🙂