1989 Johnson Evinrude "CE" 9.9 thru 30 Service Repair Manual, P/N 507754, Page 20Get this manual
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Gearcase Gear Ratio Lubricant Capacity
20, 25 28,30 25 Comm25KC
OL77JC4 L77JC4 0.030 in(0,8 mm) 0.030 in(0,8 mm) 0L16V FIXED GAP UL77V FIXED GAP L78V FIXED GAP NA
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