Evinrude 1987 140 v4 Rebuild

[nymack66]

I am not going to use the the Crank from my old power head since it clearly shows a flaw on one of the journals.
I purchase a replacement crank from Ebay not knowing I will pick up an entire engine so I now have two crank on going back on Ebay.
I have since clean up my crank and lube it with 2 stroke oil and wrap it in plastic until I am ready for it.
Here are the before and after photos (crank inserted on the mid-section during the clean up)
Old crank now obsolete see #3 ?

Crank from ebay not cleaned.

Nice and clean





Let me know if I am boring you Guys with this rebuild..

[bradford]

Keep the posts coming NY, Very informative.

[nymack66]

The entire MID,LU,T&T is off to the media blasting shop.

[nipper]

These posts are not boring us at all. They do, however, make me feel inadequate. I could not even begin to do the stuff you are doing to the motor. Nice work.

[nymack66]

Some updates, I successfully have the motor completely in pieces, I was going to experiment with the Media/Soda blasting myself. I did not it a messy job period, I dropped the parts off to shop last week, decided to use a new shop because of a cheaper price, huge mistake the new shop did not do a professional job period. I will never use him again.
I will post pictures clearly showing the paint he miss, parts not cleaned properly.
I will have to finish the job myself, the rest of the parts are off to my previously used shop which I am very happy using in the past, but a little more expensive. Cheaper is not always better I guess ...
I am educating myself on primers and paints and found a wonderful web site which in my opinion is very intuitive for a rookie like me. http://www.supermarinepaint.com

[THEFERMANATOR]

Just remember to use a ZINC CHROMATE or ZINCROM(the green colored stuff) etching primer on the lower unit and mid section, or anything in direct saltwater contact. The etching primer will help the paint adhere MUCh better than most any other primer can. And do not get it inside of the lower unit where the oil is or in the crankcase. It is an excellent primer, but oil will take it right off. I used it on a propshaft support before and got it on the inside portion of it and fluid turned to milk after just a few days. The primer came off and emulsified in the gear oil. Flushed it out and all was well afterwards. I figure if the stuff is good enough for aviation and is mandated by the FAA, then it must be good enough for a boat.

[nymack66]

Thanks Ferm..