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  #1  
Unread 01-12-2013, 10:19 AM
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Default Motor stall beyond 3000 rpm-cuts out
1989 Mercury Black Max 200 HP
I would take the boat out and I could get on plane with no problems, but after a while, the motor would bog out, and loose power, it would run about 9 mph and turn 2500 rpm. There will be times that after 5-10 minutes later, the motor will kick in and start running great. Then it would loose power again and if I push beyond 3000 rpm, it would stall and just cuts out, however it's fine if I run at lower rpm.
Any suggestions as to the problem?
Thanks!
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  #2  
Unread 01-12-2013, 10:53 AM
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intermitent loss of fire on 3 cyl. one of the power packs going bad? is the fuel ball hard when it is bogging?
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Unread 01-12-2013, 10:58 AM
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sounds like a switch box, but could be the high speed windings in the stator, you;ll need to check it with a DVA meter and this http://issuu.com/cdielectronics/docs...owFlipBtn=true
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Unread 01-12-2013, 01:02 PM
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I just ordered a DVA adpter (ESP640) this morning thinking I was going to need it. I'll check the switch boxes today.
Thanks guys!
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Unread 01-12-2013, 01:58 PM
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This sounds like the stator to me, but could be a switch box.
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Unread 01-12-2013, 04:07 PM
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builder, do you have a volt gauge on your dash or electronics? is it reading above 13 vlts when running?
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