2003 115 runs bad sometimes

[bassman1]

I start it and it idols fine when i go to get on plain it rumbles misses and bogs down i then shut it down for a 20 minutes restart it and away i go I changed the plus good gas it seem to need to warm up then sit befor you can go optieye?

after running i seem to have a little 2cycle oil comming out of carbs

[boats.net]

Check compression, check for spark on all cylinders with timing light when engine is missing. May need to remove and clean carbs