Trophy1998
New member
Forgive me if I am posting this in the wrong spot. I am new to this forum.
my 1998 mercury 200 carbed ran great for about 6 hours this weekend. Towards the end of the day the motor would not rev to past 1500-2000 rpm while under load / in gear. I believe it's a stator / switch box issue but I'm not sure how to properly diagnose and pinpoint the issue. Engine serial number 0g595896
Motor idles fine. Revs in nuetral fine. Engine running voltage is 14-14.6 volts. Ruling out bad gas because motor ran grear under load for first few miles / hours of day.
I have some ohm readings between some of the wires coming off the stator.
brown wire yellow sleeve to purple wire black sleeve
purple wire yellow sleeve to white wire black sleeve
white wire yellow sleeve to brown wire black sleeve
all read 1167-1169 ohms within the trigger ohms spec according to my SELOC manual.
I additionally individually ohm tested the blue and blue /white wires from stator to ground. Both were open.
the red and red/white wires from stator to ground were 100 ohms. Not sure what this means?
Visual inspection of stator looks like I have one burnt up coil but i notcied that last season and boat did not have any problems running.
Any insights or additional testing would be great. This is my first outboard.
Any help or insights would be great.
my 1998 mercury 200 carbed ran great for about 6 hours this weekend. Towards the end of the day the motor would not rev to past 1500-2000 rpm while under load / in gear. I believe it's a stator / switch box issue but I'm not sure how to properly diagnose and pinpoint the issue. Engine serial number 0g595896
Motor idles fine. Revs in nuetral fine. Engine running voltage is 14-14.6 volts. Ruling out bad gas because motor ran grear under load for first few miles / hours of day.
I have some ohm readings between some of the wires coming off the stator.
brown wire yellow sleeve to purple wire black sleeve
purple wire yellow sleeve to white wire black sleeve
white wire yellow sleeve to brown wire black sleeve
all read 1167-1169 ohms within the trigger ohms spec according to my SELOC manual.
I additionally individually ohm tested the blue and blue /white wires from stator to ground. Both were open.
the red and red/white wires from stator to ground were 100 ohms. Not sure what this means?
Visual inspection of stator looks like I have one burnt up coil but i notcied that last season and boat did not have any problems running.
Any insights or additional testing would be great. This is my first outboard.
Any help or insights would be great.
