hi everyone, new to boat world. I recently bought a 94 johnson 150 fastsrick. when fisrt put in water ran great, but after it sets for about 5-30 min, it cranks fine but i give it full power it seems to chock out and cuts off. it does this for at 10 min before it gets up and goes. had tune up, no good still does it, frustrated with it dont know what to do, i did replace the fuel line from tank to motor thinking it was losing fuel pressure, no good, now since i replaced fuel line, it seems to have trouble cranking when worm. i looked to see if anyone was having a problem like me, but didnt see any fimilar problems. my bigest concern is why does it bogg and chock out and shut off complety when i give it full gas. if you can help thanks.........