Hi i need to known the inch for the water hose is 24? and inner is 5/8 or 1 inch? i have water PSI low, i try with a garden water hose and the PSI was 2.7 or 3 PSI the motor in idle was 20 minutes with no iverheating. but when i put the trassmision back on the PSI drop by .4 or .5 and the motor...