1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 36Get this manual
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Engine Specifications
WeightStandard Length 70 Ibs(31,7 kg) Long Shaft 73 Ibs(33,1 kg) Extra Long Shaft 74 Ibs(33,6 kg) Powerhead _
Displacement Bore Stroke Standard BoreCrankshaft