Here is Mercury's view on ethanol. Hopefully this will clarify some of confusion.
http://www.screencast.com/users/jeffersondodson561/folders/Default/media/2f7ec4ec-6a6c-4650-a705-9596153188b3
Look for:
MYTHS OF ETHANOL.pdf or Unable to embed this content type. Download this media.
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Re: Yamaha f115 2003 water or gas in oil
Probably is the oil pump. You will need to pull the PH. Good idea to take it to a reputable shop. I would change the oil and let the engine run on the flushette out of the water. This will eliminate any exterior water intrusion. If you have water in...
Re: Yamaha S250TXRX (1999 OX66 250) using 2x oil it should be...
Disreguard the above was looking at S200X..., what I meant to say was if you divide the total pump output by six you should have 5.7-7.9 cc and the chart directs you to pump ID number 65L00 which according to your pics, you have...
Re: Yamaha S250TXRX (1999 OX66 250) using 2x oil it should be...
Ok just verified, your service manual tests all six lines, if you divide by six like individual oil injection you will get the 3.1-3.7 oil pump volume as in the 01 tech guide. So check if your oil pump id mark and make sure is...
Re: Starting Problem with 40 hp 4 stroke EFI
Here is a picture of the VST it is "K". I was in the Coast Guard for 6 years and have excellent VA benefits now, smartest decision I ever made. I was stationed on the Outer Banks NC at Oregon Inlet. Try draining the VST and see what comes out try...
Re: merc no start, spark on left side cylinders no spark on right side of motor any h
What is your serial number? Does this engine have CDM's?
If this is the one with CDM's, sounds like one of them is shorted to ground through the Emergency stop circuit.
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If the link rod becomes broken or unattached it will retract to the full WOT position of 50:1 ratio. As for the syncronization refer to attached:
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Have you checked this connector for proper connection?
click on the image and press ctrl & the + button to make bigger. (ctrl & -) to make smaller.