1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Repair Manual, P/N 507268, Page 63Get this manual
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Boat Fuel System Recommendations Purpose
1 Fuel Tank Pickup Tubeminimum inside diameter of 38 in(9,5 mm) is required for V6 and larger engines38 in(9,5 mm) is preferred for V4 and smaller