Overheating z250 turb hpdi

[Payjobs]

Over overheating at idle. Has new t stats. Port head at 170 the starboard head at 130. Pee stream is strong. Both t stat covers at 130

 

[Scott Danforth]

have you changed the water pump?

if you boat in salt water, have you cleaned out the cooling system to reduce the salt deposits?

 

[Payjobs]

Water pump 2 years old. Would a bad poppit valve cause 1 head to be hotter than the other.