Mercury 200 EFI losing power

rdclifton

Recruit
Joined
Jun 16, 2012
Messages
2
Engine 1996 Mercury 200 EFI

Engine will be running at set RPM (low to full power) then loses power. After a brief time (1-3 minutes) the power will come back and RPMs will increase to original setting. (Example: Engine running at 5000 RPM then drops to 3000 RPMs or lower the after a minute goes regains power back to 5000 RPMs.) Engine does not miss in either instance.

Have swapped power packs will a new spare and tested spark.
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,616
Re: Mercury 200 EFI losing power

Sounds like you loosing a bank of cylinders like a stator shutting down...
 
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