Lehman SP 90 raw water hoses size?

[wgerstmyer]

Not at my new boat to measure but what ID blue stripe hose do I need to replace the whole raw water line (so length to buy, as well as ID)? I have a friend who will help me learn the install as I’m not used to these engines at all. Thanks, Will

[GordMay]

Ford Lehman SP90 Marinized Parts (Appendix B)
➥ https://corbin39.org/wp-content/uplo...Appendix_B.pdf

Ford Lehman SP90 Base Parts (Appendix A)
➥ https://corbin39.org/wp-content/uplo...Appendix_A.pdf

SP90 Owners Manual & Parts Identification
➥ https://everythingaboutboats.org/lehman-o-4c91c/