Mercury Through The Years...

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Originally Posted by lilabner

Super 25 came out in 1956, and was "same" Powerhead as a Mark 30, with smaller reed cages and carbs, and exhaust housing..That looks like a KG9, made until 1952, but the KG9 H was still made in 1953. According to my 1960 Blue Book.. I could of never remembered all that, and if I had, it would probably taken the place in the brain of how I find my way home.

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More likely a Mk40, KG9's didn't generally come with the rewind. Diecast clamps, but sandcast block screwed on clam shell cover.

Definitely not related to the WA Super25 all diecast, tin wrap around cover used until they were all plastic

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Originally Posted by Mark75H

More likely a Mk40, KG9's didn't generally come with the rewind. Diecast clamps, but sandcast block screwed on clam shell cover.

Definitely not related to the WA Super25 all diecast, tin wrap around cover used until they were all plastic

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I think you are right on the M40.
In 1958 at Dade Marine in Miami, we had 2 KG9's, both had rewinds, and one KF9, no rewind and gear drive mag. I think on the first KG9's it could have been an option. The boss told me I could have them as no one would buy them anyway. My friend and I had a good time with them.
I never saw a plastic cover on a WA- 25, or die cast (fat) clamps. I remember them having the same clamps and exhaust housing as a Mark 20. I think the die cast clamps were gone by then. We called those clamps on the M40 forged clamps. The KF9 did have die cast clamps, or the fat ones, at least the one we had did. Mercury didn't waste time with board meetings changing things that didn't hold up back then. ECK was the board. We had a lot of Wizard 25's come and go thru the shop. We even put a WA 25 crank in a M58 and made a sleeper 25.
Sam, correct me on the clamps please.

In Post #19, thats Erv Velie (since passed) to the left of ECK. In Post #50 - a young Fred?

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Originally Posted by FUJIMO

Same Mercury as the Western Auto Wizard Super 25 this year...http://www.pellegrinmarine.com/image...ts%2013x13.jpg

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This engine is a KG9-1. Sho ain't no MK-40. Only other possibility, a KG9 updated with newer rewind.

75,000th Verado - September 22, 2014...http://www.marinelink.com/images/mar...gine-34152.jpg

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Originally Posted by lilabner

Super 25 came out in 1956, and was "same" Powerhead as a Mark 30, with smaller reed cages and carbs, and exhaust housing..That looks like a KG9, made until 1952, but the KG9 H was still made in 1953. According to my 1960 Blue Book.. I could of never remembered all that, and if I had, it would probably taken the place in the brain of how I find my way home.

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The KG9 was 40 c.i. & sand cast block. It evolved to the MK40. The Western Auto 25 was actually the 30 c.i. powerhead eith only 2 openings in the reed cages on both sides & just a cover plate over the intake ports rather then the traditional port covers & different carbs. This came in the mid 50's whereas the KG9 was early 50's.

Yeah, I fogot the 20/30 clamps were drop forged by Alcoa as a subcontractor job.

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Originally Posted by Mark75H

Yeah, I fogot the 20/30 clamps were drop forged by Alcoa as a subcontractor job.

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Whew..now I will still be able to find my way home..nothing new to remember..

Thanks Sam

Scribed---- Great Stuff!!! Thanks.... Gary

Kiekhaefer 80 horsepower, 4 cylinder, military drone...http://i.cdn-surfline.com/fishtrack/...Mercury_13.jpg

1971 KAM 800 Free-Air Triples(as well as twins)...http://im1.shutterfly.com/media/47a5...D550/ry%3D400/

One - Two - Three - Punch...http://im1.shutterfly.com/media/47a5...D550/ry%3D400/

1973 340cc, 35 horsepower, 2 cylinder...http://im1.shutterfly.com/media/47a5...D550/ry%3D400/

...It was also liquid-cooled, inverted 90 degree & coil-over-plug. Never went into production...http://im1.shutterfly.com/media/47a5...D550/ry%3D400/

...Shop at KAM...IV 340 crank in the vice...http://im1.shutterfly.com/media/47a5...D550/ry%3D400/