1979 Evinrude Outboard 2 HP Model 2902 Service Repair Manual P/N 5423, Page 39Get this manual

1979 Evinrude Outboard 2 HP Model 2902 Service Repair Manual P/N 5423, Page 39

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5-6 ring ladsSee Figure 5-13 Check piston for size ad roundness, using micrometerCorrect sizes given in Section 2 Before istg new piston rings, check gap between ends of ring placing ring in cylindert