Patent ID: 7309266

Claim:
A personal watercraft (PWC) marine engine cooling system pressure flushing and winterization system comprising: a compression tank for containing a mixture of air and a flushing chemical, said compression tank including means for pressurizing said air; and a hose assembly for selectively discharging said flushing chemical from said compression tank at a controlled flow rate, said hose assembly including, a hose section connected at one end to said compression tank and including an opposing male screw-threaded end, a fluid on/off valve including male and female screw-threaded ends, wherein said female threaded end is attached in fluid communication with said male threaded end of said hose section, and a pressure regulator including a female threaded inlet and a male threaded outlet, wherein said female threaded inlet is attached to said male threaded end of said on/off valve, and said male threaded outlet of said pressure regulator attaches to an existing female fixture provided in said PWC attached in fluid communication with said hose section, said pressure regulator being adapted to maintain a substantially constant fluid flow rate at approximately 10 p.s.i.