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1990 Johnson Outboard

Thomas Counce asked on 8/4/2018 10:43:56 AM
I have a 1990 70 hp Johnson outboard engine that has been stored for 6 years now I want to start fishing again. Problem with the engine rebuilt carb.,new water pump,etc. Engine cranks good but, after a few minutes it will accelerate to 8,000 rpm ???? What could cause this and hoe can I fix. I am 82 years old but a good mechanic but this has me puzzled. I need some help.
Thanks,
Thomas E Counce Jr

 

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