Mk 25 'Mutt' Motor

Show & Tell time! Photos, comments, stories, etc

Mk 25 'Mutt' Motor

Postby mercaholic » Sun Feb 04, 2018 3:30 pm

No new customer motors coming in so I went thru my part bins to cobble enough stuff to build this ugly looking thing.

Next off to the paint booth to cover up this tri-colored concoction ... [fingerscrossed.gif]
Attachments
mk25mut2.jpg
mk25mut1.jpg
Mississauga , ONT
Canada
mercaholic
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Re: Mk 25 'Mutt' Motor

Postby 58woody » Sun Feb 04, 2018 4:16 pm

What did you do to the insides of this "mutt"  :lol:
Mark 6, 1956 Mark 55 & 55E, 1959 Mark 55A, 1958 Mark 58, 1960 Merc 300, 1961 Merc 500, 1961 Merc 700. Bradford, Ontario, Canada

Member of the AOMCI Upper Canada Chapter http://uppercanadachapteroftheaomci.yolasite.com/
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Re: Mk 25 'Mutt' Motor

Postby mercaholic » Mon Feb 05, 2018 2:24 pm

I did a hone/ring job and installed new crank seals.

I used to remove and replace all the pins but now just measure for end and side play.
Mississauga , ONT
Canada
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Re: Mk 25 'Mutt' Motor

Postby mercaholic » Tue Feb 06, 2018 2:20 pm

mercaholic wrote:I did a hone/ring job and installed new crank seals.

I used to remove and replace all the pins but now just measure for end and side play.


Forgot to mention that the crank bearings are the 1st thing that usually get replaced.
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Canada
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