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
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?
Part one of "Secrets of the OMC Mod 50" : http://www.boatracingfacts.com/forums/showthread.php?t=2052
You can always turn and count and not have to guess
Since 1925, about 150 different racing outboards have been made.
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.
That looks like real fun
Since it is mixed parts, I would absolutely suggest turning and counting to determine the ratio
Since 1925, about 150 different racing outboards have been made.
stock ratio is 2.42, or 12/29.
serial # says 1987
I N T R O D U C E S
1 2 3 4 5 6 7 8 9 0
Biggest issue w/ these motors has been to NOT 'LUG',
ie... DO NOT OVER PROP !
Let the motor breath.
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