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Hey bud have been having same kind of issues with my 3cyl 25 Johnson, you can usually tell if the switch box is acting up on these motors because either the quickstart doesn't activate on startup or never shuts off leaving it on high idle, unfortunately there is no way to test these packs, and...

Pretty standard for a merc on the idle setting, and thats just factory recommendations. I always just set mine and left it there after motor was warmed up. also when you advance the throttle in gear and go back to neutral it will change the idle to a touch higher then where you left it, so i...

As far as the lower crank seal, seems like a problem with the older 80's mercs. I was servicing one for a buddy, it was a motor I used to own, and when I dropped the LU, saw spent gas/oil on splines, looked up the medsection with a flashlight, there was spent oil around that seal. Mech said...

I will try pump prime sequence too, worse I can do is flood it, or better yet start it. As far as the leaking I figured since the carbs and primer solenoid looked wet around the gaskets I had some leaking, fuel pumps aren't leaking, was just concerned that they had lost their ability to...

I will look into that, I do have the service manual, and I will look into that, guy i fish against at the local lake has a couple of these motors, he did warn me they are hard on the restart sometimes, very easy to flood, but this just won't Idle, or start easily at all. I had a merc 3cly 60 for...

Hey everybody new to the fourms here. I have a 1998 3cyl 25hp Johnson Model#J25RMLECA. it was a rope tiller that i converted to an electric start remote, had dealer do install. ran fine in tank on idle at dealer. took it out a couple times. and each time it was real pain to get started off the...