Motor flush attachment or earmuffs with the nose cone inlets plugged? The flush attachment should be used for flushing the motor while not running, and its not intended to be used with the motor running. Though i have done both and yes usually have seen around .8- 1.0 psi when hooked up directly. When on muffs and the nose cone inlets plugged, i see around 2.8 at idle. I would try ear muffs first or bring it to the lake and try it. May also be the reasoning behind your Tstats taking a little longer to open. Alos if you had the 100 hour done then i assume you got new plugs, they may have kinked the H20 hose, remove cowling and inspect the small gray water line on the back of the motor, it will run down the lower back of the block and around to the left side of the motor, it may have gotten kinked when they replaced the plugs. Last edited by JSLAW on November 24th, 2012, 7:54 pm, edited 1 time in total.
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