Quote:
Originally Posted by HellRaZoR004
Is the issue only at idle, or when you try to power up?
Have you tried starting the engine out of the water, with muffs? This should give you an idea of if water is passing through the engine. The added pressure from the hose may overcome the water pump so you can't rule that out....but if you're not seeing water drop from the gimbal housing then your engine isn't getting water and had a block somewhere. If it runs great and doesn't overheat, then I would suspect the water pump.
To check the water hose from the gimbal housing you need to pull the outdrive off.
What drive do you have?
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I've had it on muffs. Water passes through the system and increasingly so as you push the RPMs up. Comes out through the two exhaust ports on either side of the outdrive (lower hull) and through the prop hub, with gusto. I've pulled the drive and a small trace of water was in the gimbal housing bellows but nothing that would indicate a backup or problem there.
I'm going to run the engine without the thermostat and see what happens.