1999 "EE" Evinrude 200, 225 V6 FFI Outboards Service Manual, P/N 787025, Page 111Get this manual
Boat Fuel System Recommendations Purpose
This information is provided to assist you in evaluating boat's permanently installed fuel systemOutboards require boat fuel system that is capable of high fuel flow rate with low pressure rop across the entire system It is very important that all boat fuel system components have the correct capacity and are properly installedABYC's Standard H-24 and ICOMIA's Standard No.17 are accepted as industry standards and should be referred to for additional informationRecom mendations
1Fuel Tank Pickup Tubeminimum inside diameter of 3 in(9,5 mm) is required for V6 and larger outboardsA minimum of 16 in(7,9 mm) is required for V4 and smaller outboards, but3 in(9,5 mm) inside diameter is preferred Dual 70 3-cylinder and larger outboards each require separate fuel pickup tube