Re: 1989 Mariner 75 HP 3 Cyl - bogging no acceleration believe its a spark issue
the wires coming from the stator looked good where it exited the coils. I'm still concerned about the rubbing and the fact its a 16 amp when I think it should have been a 9 amp. The plastic around the posts on...
Re: 1989 Mariner 75 HP 3 Cyl - bogging no acceleration believe its a spark issue
I can't see my attachments in my 2nd post. Not sure if others can but I thought I'd post the pics so others can see for future reference.
I thought I'd make a thread that consolidates all the "how-to-make-a-DVA-tester" threads so people can find them easily.
http://forums.iboats.com/showthread.php?t=374544
http://forums.iboats.com/showthread.php?t=434738
http://forums.iboats.com/showthread.php?t=371144
1989 Mariner 75 HP 3 cylinder
serial # 0C167888
compression within 7 PSI on all 3
Motor starts great and idles fine. Both in the water and on the muffs.
My motor is bogging under load. It has no acceleartion....zero. Just barely above idle speed. Sounds like its missing. I think I'm...
Thought I would try to contribute something helpful to the forum instead of asking questions. I was having water leak in the cowl coming from the hole on the cylinder cover that houses the thermostat and poppet valve. I took a couple of pictures so if anyone else is having this problem, they...
motor: 1989 Mariner 75 HP 3 cyl.
clean carbs, compression is good, timing is good, idle mixture screws 1.5 turns out
I am trying to diagnose a bogging, no accelerration problem. Idles fine and revs fine on muffs. Idles fine in water, but has zero acceleration. It will only move forward at...
1989 Mariner 75 HP 3 cylinder
Serial # 0C167888
Compression was perfect: 120 across all three
After fixing my spark issue, I finally got the motor to run. It started immediately and idled pretty good. Not perfect, but far from rough. Maybe a small hiccup or two everynow and then. And it...
1989 Mariner 75 HP 3 cylinder
Serial # starts with 0CXXXXXX (thats all I can remember)
Trim system: Design 1 side fill
When I purchased the motor it did not have the trim motor/pump installed. The owner said the motor was bad and was going to replace it but never got around to it. This left...
1989 Mariner 75 HP 3 cyclinder
I have an OEM repair manual but am having trouble diagnosing my problem.
I am only getting spark on the top (#1) cylinder. I was thinking it was the trigger so I checked Ohms. Did not get a reading on any of the coils (brown, white, violet to white/black)...