howdy..........

in the jet pump context.........

what are the standard mm jet ski pump..... diameters ?

are there standard mm sizes that are referenced too ?

how many different mm jet pump diameters are there ? I see some that are 140 mm ect.....
some that are 150mm..... etc ......

HERE is my most wanted question that I want an answer for;

HOW MUCH H.P. WILL THE DIFFERENT SIZE MM PUMPS TAKE ? MAXIMUM H.P.