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  1. T

    scored piston

    Was getting water in center cylinder of my 78 70hp evinrude. Replaced head gasket still got water so replaced inner 2 exhuast plates and gaskets while in there i noticed a little scoreing on center piston cant feel any groves or scrathes in it.The motor is running okay now no water in cylinder...
  2. T

    exhuast cover bolts

    can anyone tell me the torque on exhuast manifold bolts for a 1978 70hp evinrude model#70873. I have manual and it says exhuast housing to powerhead is 18-20 ft lbs it does not say what to tighten exhuast manifold bolts to there is a chart for torque on diff size bolts is this what i am supposed...
  3. T

    exhuast manifold gaskets

    I have a 1978 70hp evinrude was getting water in middle cylinder so i pulled head and replaced gasket. Now i wanted to replace exhuast manifold gaskets,but it seems that its alot to do this. Was wondering if ther is a way to do this without removing powerhead. Was wandering if if i could just...
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