04 yamaha hpdi 225 water pressure issues

sdranger

Recruit
Joined
Jul 8, 2012
Messages
3
I have been fighting a water pressure issue for weeks. New complete pump kit. New poppit valve. water system flushed and cleaned. No debris. Water pump is working just cant get over 2 psi out of motor on hose with pressure guage straight off motor. in water max 6 psi at 5000 rpm. noticed a lot of water coming out around shift shaft with hose connected. More with motor running. Have never seen this problem before. Any suggestions. Oh good thermostats.
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,874
Re: 04 yamaha hpdi 225 water pressure issues

Check water pump housing, may need to replace.
Also have you checked your PRV
 
Top