1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 136Get this manual
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113 mm(12")
2S mm(llS")
Cold Roll Steel Heat TreatmentCarburize ,3-0,5 mm (0,015-0.020 in deepQuench and harden to 58-62 "e" case
Safety Warning
Striking s