What's the ideal water pressure running ?

[av]

I see between 12,15 psi am I weak ? 0 at idle but have pee stream not strong

[clayshooter100]

Are you using a digital sending unit or an analog gauge? What year is your outboard and when was the water pump last replaced?

[av]

Are you using a digital sending unit or an analog gauge? What year is your outboard and when was the water pump last replaced?

Mechanical Yamaha gauge 2018 original wp

[walnutshoe]

SHO is a low pressure high volume pump. 12-15 at WOT is normal. 0 at idle on analog is normal.

[av]

Thank you!