TOPIC: 1100 SS serial number doesn't match list

My motor is SN 1969018
This is what I get from oldmercs.com

Merc 950SS/95/1968693 thru 2101742/1966

Merc 1100/110/1935101 thru 1937374/1966

Merc 1100SS/110/1970668 thru 2103722/1966

It's number is in the 950SS range could that be right?

check the power head for the serial ####. that will tell the story. decals can be changed.

im sure some others better qualified will chime in.. maybe mercury has other numbers on the block to id it.. but its possible for parts to have been swapped around over the years.. i know im using a complete 90hp center section on my 115 because i want trim and tilt.. lol.. and if i were to put the 90hp covers on it, to the unexecting eye no one would know the difference..

Well the powerhead matches, the face plate says 1100 ss (or thunderbolt) so maybe not an ss model and the bolts mean thunderbolt ignition, and lower decal says "110 hp".
Any experts out there know how to tell the difference, the decal on the stem looks original as there is paint around it where they add black but left the decal taped off.

If the power head matches the plate then it is a 950.wraps can be original 1100's only 4 screws for the horse shoe.And t 1/4 turn for the faceplate 3 snaps for the wrap. Show us a pic of it.

That part is easy, it's the 110 hp decal on the lower that looks like it's been painted around, it's not new.
Well upon closer inspection, looks like maybe the detail is after the fact, looks like rattle can paint under it not the black it should be.
Also it looks like the engine was yellow under the black.
So did they make a yellow 950 SS?

To my knowledge everything after 1963 was Phantom Black.
Bill

i will have to try some light sanding or stripper unless they used that yellow as a primer

Not sure I can see the yellow that you are talking about in your pic, however, most of the mercs were primed with zinc chromate primer that leans towards the yellow end of the spectrum. Likely that is what you are seeing. If the engine serial number matches the midsection serial plate then it would be a 950, many members here would be able to tell you more if you posted pictures of the block with the cowling off, told us the numbers on your carbs etc. It is quite common for these engines to be sporting other decals. For example, my 1974 1500 block sat on an 1986 midsection, and was dressed as a 1975 1150

Yup yellowish green, thats the zinc chromate i guess someone wanted to look like they had a bigger motor, 950 is probably better for my boat anyway

The 950ss had KC6A carburetors, while the 1000ss & 1100ss used KC7A or KC10A carburetors.
All (3) are TIGER blocks, and the 950ss can become a 1000ss with a carburetor change, but the 1100ss has bigger bore cylinders than the 1000 & 950 blocks.
doc

Thanks Doc, that explains it, will have to go out at lunch and look at the carbs.

We are visual people, we need pics or we get grumpy.

Thats it, it has KC6A carbs so somebody painted it and put 1100 decals, the cover has 1100 zz as in the sparks not SS so I assume 1100zz is thunderbolt with points and 1100SS is solid state so mine should be 950SS

Removed the rotor cap since the PO had pulled the wire out, then I worked the plug wire cap out by un-screwing it. Guess that just solders on idk.
Next I put some fogging spray in the cylinders. The internal harness is a mess, one terminal is broken so I just jumped straight to the starter and it cranked over.
Shows 115 top, 110,125,135,125, couldn't get to bottom cyl.
seems they are all over 100.
Want to fix the coil wire, oh yes and plugs are mostly different and one was busted.