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TOPIC: 1973 Mercury 850 wont start

1973 Mercury 850 wont start 7 months 1 week ago #137641

  • 69Jetflte
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I am at a loss! This motor has not been ran in probably 20 years. I have rebuilt the carbs, fuel pump, and put a new pickup in the distributor. I have great spark and fuel in the carbs but this thing will not start. It doesn't seem to be getting fuel in the cylinders. Any ideas??

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1973 Mercury 850 wont start 7 months 1 week ago #137642

they were hard to get a good choke. pump the primer bulb till hard then pump harder . flood the carb a little then crank with choke on.
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1973 Mercury 850 wont start 7 months 1 week ago #137643

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Thanks for the quick reply, I will try that.

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1973 Mercury 850 wont start 7 months 1 week ago #137650

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Yes! I got it started!! Sorry, a little excited. Now to try to get all the little bugs worked out. Doesn't want to idle unless I throttle it up

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1973 Mercury 850 wont start 7 months 1 week ago #137651

adjust the idle and the idle stop. make sure it is running on both carbs.

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