my 91 johnson fastrike 150 is cutting out every once in a while maybe a couple times out of an 8 hour day on the water and only at low or idle speeds by low i mean 900 to maybe 1300rpm's like someone shut the key fires right back up and always runs great at WOT been doing this for maybe a season and a half i also have a low speed skip someone said this could be a power pack if so how hard are they to replace and about how much????
