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| Author |
Message |
   
derrick hankerson
New member Username: ninjarider
Post Number: 1 Registered: 03-2008
| | Posted on Saturday, July 04, 2009 - 12:41 am: |
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I have a 1995 mercury mariner 150 magnum efi. It starts and idles find but when I put it in gear and try to throttle up it will not build any rpm's. At most at wide open throttle is around 1200-1500 rpm. Tried plugs/gas/fuel filter/water separator/new battery. Any ideas will really be appreciated. Thanks |
   
Graham Lamb
Senior Member Username: galamb
Post Number: 5541 Registered: 05-2007

| | Posted on Monday, July 06, 2009 - 11:11 am: |
|
Test compression, 14 years old would be considered a couple years over the "typical" lifespan of that motor before she was rebuilt... |
   
'Bandit
Advanced Member Username: timebandit
Post Number: 771 Registered: 09-2007
| | Posted on Monday, July 06, 2009 - 11:24 am: |
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Stator (high speed windings) |
   
David Sharpe
New member Username: bradsdad
Post Number: 1 Registered: 08-2009
| | Posted on Thursday, August 13, 2009 - 05:23 pm: |
|
while you are checking stator also check the trigger under it. I had 94 Mariner 200 that would not get up or would get up then loose power. when I was checking stator I found crack in the trigger. Replaced trigger and ran fine. |
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