Johnson, J150TXCEM, 1989

by Dick Crim
(Lake Oswego, OR)

Going to replace fuel lines and primer bulb. Seems 5/16 inch fuel lines are the original parts but articles I have read indicate 3/8 inch fuel lines are now recommended for larger engines such as the 150 hp. Are 5/16 inch lines sufficient or should I install 3/8 inch lines?

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