03 merc 225 efi 2 stroke runs good then doesnt want to stay running

Adam1078

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Jun 29, 2015
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I have an 03 merc 225. When I am out fishing the motor starts up fine and I can run around and fish numerous spots. If I run back to the boat ramp and go to get the truck, it will start, but it will bog down and stall a few times, and it looks like there is alot of oil in the exhaust. If I use the high speed idle it will slowly clear up and then run fine again. I also notice that sometimes when taken out of gear the rpms will raise up. I read a post about that being the tpi, so i changed that out and the motor runs better, but still has the rpm and hard starting issue at the boat ramp. Any help would be appreciated. Thanks
 
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