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50 hp merc will not run right

B

Bill Tow

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" have a 78 50hp merc, had to

" have a 78 50hp merc, had to replace the trigger wires harness, the engine has sat for a couple of years, after i put i all back together (marked all parts in disassembley for re,) took it to river and when i use high idle for start, the engin runs about 1/4 throttle, and when i try and run it it will not pick up speed up much more and has no power,,,was told that it was cables but cked that can any one help "
 
Sounds like a fouled carb. T

Sounds like a fouled carb. Take the Carb(s) off and clean and rebuild. Then check the timing. These motors will run great if the timing and carbs are set up correctly... Have fun on the water and good luck. PS> Also change the water pump impeller because you do not want it to fail from sitting up too long.
 
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