1992 Johnson Evinrude "EN" 40 thru 55 Service Repair Manual, P/N 508143, Page 324Get this manual

1992 Johnson Evinrude "EN" 40 thru 55 Service Repair Manual, P/N 508143, Page 324

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IMPACT RELIEF
1 When the engine hits an underwater obstruction, extreme pressure develops above the piston 2 The extreme pressure must be vented and the cylinder rod must extend to allow the eng

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