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Author Topic:   Getting in time
Jiles posted 08-15-2002 08:05 AM ET (US)   Profile for Jiles  
I have a 1985 40 evenrude. How do I set the ignition timing and what degree is correct? Chilton says to set the timing at 4,500 R.P.M. with engine in gear. Is this with engine under load? This procedure sounds rediculous! Is there another way?
bocaspiff posted 08-15-2002 08:13 AM ET (US)     Profile for bocaspiff  Send Email to bocaspiff     
Sounds dangerous to me. My Dad and I read the same thing for our 100 GT just last weekend and decided not to risk our lives. Use a dealer with a test tank if you have to know the timing is right, much safer.
Bigshot posted 08-15-2002 10:41 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Did you already mess with the timing? If not do it. Timing does not go out on outboards unless something breaks. Timing is difficult if not impossible for a novice. DO NOT do it. If it is running rough, etc I will put money on carbs or something else. I have never seen timing become an issue on outboards.
Jiles posted 08-15-2002 03:21 PM ET (US)     Profile for Jiles    
Chilton manual states that the engine should be IN-GEAR, You cannot run the engine in a water tank at 4,500 rpm in gear. I am a mechanic, and would never run an engine of any kind at this rpm with no load!! The previous owner, evedently, messed with the timing because he said the timing needed to be set. Over my 57 years, I have set the timing on hundreds of different engines from chain saws to bulldozers, and I have never heard of this procedure. I am also a machinist and have set the timing on many two-stroke motorcycles by using a dial indicator. I know an outboard motor is different, but there has to be a better and safer way to set the timing. Thanks for your replys.
Bigshot posted 08-15-2002 04:13 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
There is called a test muffler. It fits on the prop shaft and acts like a load....not cheap. Or do the old fashioned thing and hang off the transom and try. At least you can see if it is in time or not. MANY think they are out of time when it is just a carb or something. Just hope he never screwed with it.

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