I have a Evinrude E40ECUD serial number C1417092 that I am trying to find out what the gear ratio it is. I have a 60HP on this mid and lower and trying to do some research on proping the boat without buying to many props..
Thanks Steve
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I have a Evinrude E40ECUD serial number C1417092 that I am trying to find out what the gear ratio it is. I have a 60HP on this mid and lower and trying to do some research on proping the boat without buying to many props..
Thanks Steve
two cyl? about what year? Nitro case?:cool:
You can always turn and count and not have to guess
Here is a photo of the motor. I think its mid to late 80's. It is a 40HP Mid and lower with a 60 HP powerhead twin. Also is a photo of the boat. It is now ready to prime and paint. It is around 200 lbs going to be center steer 4" jack plate and power trim. I am also going to put a low water pu and nose cone so it can be run high.
http://i289.photobucket.com/albums/l...0parts/046.jpg
http://i289.photobucket.com/albums/l...0200920328.jpg
That looks like real fun
Since it is mixed parts, I would absolutely suggest turning and counting to determine the ratio
stock ratio is 2.42, or 12/29.
serial # says 1987
I N T R O D U C E S
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Biggest issue w/ these motors has been to NOT 'LUG',
ie... DO NOT OVER PROP !
Let the motor breath.