1989 mercury 175 hp carburated hard restart after fast run

paulsboat

Cadet
Joined
Jun 7, 2011
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13
cold starts good. idle a bit rough but no hesitation and acceleration to full throttle good.
coming off a midrange or faster run to an idle is good. Shut engine for a bit as skier gets in and out .
Then go to start motor and it cranks fine BUT WONT START fuel ball hard.enrichener working but no spark . Wait 10 minutes then starts up and runs .. If you only idle speed for a while and shut off it starts always. In the drive way it runs and starts fine. Could it be stator heat up ??? I have a DVA but not sure what to check. Last few times out we leave motor running and help skier to board from side of boat.
The final 1/2 mile run to the ramp is idle speed and when I shut it at the ramp it restarts perfect so it seams it has to run above idle to make it happen.
 
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