1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 80Get 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 drop across the entire systemIt 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 informationINotel permanently installed fuel system with excessive restrictions could exceed the VRO unit's pumping capacity and cause poor engine performance or serious powerhead damage
To evaluate the restrictiveness of permanently installed fuel system, refer to Testing Fuel System, this sectionRecommendations