1977 70hp power loss evinrude

clayvogt6358

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Apr 23, 2006
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i have a 1977 70 hp evinrude#70773 and i have mid range power loss my local dealer found a service bulliton back when engine was made and it said to pull caps on the top of carbs and drill the two outter holes out to .046 whic i did its a little better but i still need to hit the chock when i go from idle to full throttle or it dies out please help me thank you
 
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Re: 1977 70hp power loss evinrude

Moving to Johnson/Evinrude Troubles and Repair.
 
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