I have a 1988 225 hp Johnson on my boat.
The boat is equipped with a water pump pressure gauge.
My question is, how much water pump pressure should I be getting from this engine?
It idles on about 3 lbs and goes up to about 9 lbs at around 4000 RPM.
I thought that this may be a little low, so I replaced the water pump with a new kit.
The pressure remained about the same.
The old pump impeller and housing looked good.
The tale tell stream is ok at idle and good at higher rpms.
Thanks for any info.
The boat is equipped with a water pump pressure gauge.
My question is, how much water pump pressure should I be getting from this engine?
It idles on about 3 lbs and goes up to about 9 lbs at around 4000 RPM.
I thought that this may be a little low, so I replaced the water pump with a new kit.
The pressure remained about the same.
The old pump impeller and housing looked good.
The tale tell stream is ok at idle and good at higher rpms.
Thanks for any info.
