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(Harvey Arkawy) wrote in message . com...
Well I finally picked up the boat this past Tuesday. It cost almost
$500. They replaced the plugs on the Force 70 engine, they de-carbed
the carburators, replaced the fuel filter and ran diagnostics on the
engine. If they made any adjustments, I was not informed. I told
them that I would launch it on Saturday and if I had any problems I
would call them.

I launched it. Ran great...until it was time to come home. I was
turning 1300 rpm for about three minutes (in a no wake zone) when it
stalled. I turned off the ignition and tried starting. It just
turned over. I pumped the bulb three times and tried again. It
started. I pushed the rpm to 2200. It ran fine for about three
minutes and stalled again. I pumped the bulb three more times and it
started. I then pushed the rpm to 3800 and drove the boat back to the
launch. On my way home I dropped the boat off at the repair place and
informed them of the procedures I followed while on the lake.

Any suggestions? 89 octane mixed 50:1.

a vacuum test might be in order. quick and will tell you very fast if
you have any fuel delivery problems. recheck your filters. many people
that clean carbs, clean only the carbs and not the fuel pump, engine
filter or any of the delivery lines, the carbs are just 1 part of the
entire fuel system. typically fuel pumps have a limited life, on your
force it is mearly a composite plastic/fabric diaphragm worked by
crankcase pressure/vaccum. typically when i clean carbs if the fuel
pump is 5 years old + i overhaul the pump too.
what is the condition of your fuel line? is it the same fuel line you
bought the boat with? some cheaper primers break down internally
sending small pieces of rubber throughtout your fuel system. this only
takes a few years to occur.

in short. go back to the basics. compression/spark test. visual
inspection of entire fuel system.

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