Loss of power - fuel delivery/mix issue

Spackle323

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Joined
Jul 29, 2012
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5
Took our 1984 OMC 1.6 L 115 hp seadrive out today. It ran great for about 2 hours with no issues. It would top out around 35 mph at wot. After we refueled, it ran for about 5 minutes with no issues and then started to hesitate/lose power. It started seem like it was missing once every 30 seconds and then just increased in frequency. After a few minutes, it stayed at the lower power/speed almost constantly. It seemed that it was being starved for fuel and Every so often, it would jump as if it got a blast of fuel.

Couple ideas but not sure where to start.

The vro doesn't work so mix oil/gas at 50:1 ratio. We topped off tank and then added oil. Could the mixture not be mixed enough and causing the issue?

Other ideas?
 
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