1993 Johnson Evinrude "ET" 40 thru 55 Service Repair Manual, P/N 508283, Page 328Get this manual

1993 Johnson Evinrude "ET" 40 thru 55 Service Repair Manual, P/N 508283, Page 328

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1 Component Description

Isl DOWN

RELIEF VALVEOpens at approximately 1600 PSI (11,032 kPa) to protect the unit from extreme operating pressures when the cylinder is completely