2 Stroke Evinrude Engine (non-) Starts

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Feb 26, 2004
23,047
Catalina 34 224 Maple Bay, BC, Canada
OK, OK, I admit it, I still have one. But it's for our dinghy, 1990 Evinrude 9.9 short shaft. I replace the spark plugs every time we use it, which is once very six months. I know the old sawhorse about the amount of time that a piece of mechanical equipment gets used is directly proportional to its ability to work. Our problem is hard starting when it's cool out. Took it up to the Delta this summer, and in the 90 heat it was fine. Once we got back down closer and into the cooler SF Bay, it takes 60 (yup, that's right 60) pulls to get it going once it's cooled off, overnight. Once it first starts, it's just fine and dandy. Fires right up. Bought the motor about 5 years ago at a swap meet for a good price, had it checked out at the Outboard Motor Shop in Alameda (before they were bought out by Sea Power), and everything was fine then. Haven't done anything "bad" to it. Any "historians" out there who know these critters and can help? Any idiosyncrasies with 1990 Evinrudes? Stu
 
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Bob B.

Evinrude non-starting

Hello Stu: I think that I will buy shares in the spark plug company! I am no expert on 2 strokes, but I have a 1980 Evinrude 7.5 HP. I would suggest the following. - Take a compression reading - Hold the plug wire about 3/8" from the plug while cranking to check for a strong spark - Be sure to use the marine grade plug. A marine shop recommended anything but Champion. I use NGK BR6HS (marine) - Be sure the gas priming squeezer thingy is working & that it is putting gas into the carb. The plug should be wet with gas after a few cranks By the way, you don't know what cold is!! Good luck, Bob B.
 
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Bob B.

Evinrude non-starting (again)

Stu: On my first response to your posting (I updated that response), I forgot to mention the most important item. My Evinrude is very hard starting unless the choke is used. I choke it fully just to start then immediately reduce it. After about 1 minute running, no choke is needed. Regards, Bob B.
 
Feb 26, 2004
23,047
Catalina 34 224 Maple Bay, BC, Canada
Thanks, Bob

I appreciate your input. Others have suggested getting a new "power pack." I haven't had a chance to try all the input yet, but will in the near future. Stu PS _ cold here it's not! But I'm originally from NY and my wife was from Ontario. We get the idea :)
 
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