Need help identifying my out drive

[Samseibs]

I recently bought a boat and it has a problem overheating. It is not circulating water. I removed the thermostat as it was locked shut hoping that was the problem but no luck. Looking to change the the water pump now but unsure what style out drive. On the top it says "outboard marine" with a M circled in the middle. Research had led me to believe it is a stringer but there is no I'd plate! On the top gear house it has the #s 382158 120-155HP other than that no identification. The boat is a 68 crestliner with what I think is either a 120 or 140hp omc but again no markings other than the block!!!! Any help would b great!

Cheers,
Sam

 

[LAC_STS]

Re: Need help identifying my out drive

Some pics would help

 

[Samseibs]

Re: Need help identifying my out drive

heres a few pics hope it helps

 

[southkogs]

Re: Need help identifying my out drive

It's an electric shift Stringer. There is not really a model number, but your drive would work on a 120 - 140 HP (I think is how that works). If you've got an inline 4cyl. Chevy then it's probably a 120.

The impeller is on the bottom of the upper gear case. You'll need to take the stern drive off, remove the top cover and exhaust housing.

Do you have a manual?

 

[Samseibs]

Re: Need help identifying my out drive

Yes it is a 4 cyl gm, No I don't have a manual for it! Any ideas which manual to get? Does the stringer drives have their own manual?

 

[LAC_STS]

Re: Need help identifying my out drive

I'm not to sure about that vintage OMC but if there is one make SURE to get the OEM service manual. Do NOT get a Seloc or other aftermarket manual. Trust me you will regret it if you do.

 

[LAC_STS]

Re: Need help identifying my out drive

Here is the parts catalog.

http://www.ebay.com/itm/1968-Evinrude-Johnson-OMC-Stern-Drive-120-HP-Parts-Catalog-Manual-/290742751770?pt=Motors_Manuals_Literature&hash=item43b19e521a&vxp=mtr


This looks like the correct service manual.

http://www.iboats.com/OMC-Sterndrive-Service-Manual-383359-Ken-Cook-Co/dm/*******.127520356--session_id.631541270--view_id.438330

Or this one.

http://www.iboats.com/OMC-Sterndrive-Owner-s-Manual-382327-Ken-Cook-Co/dm/*******.127520356--session_id.631541270--view_id.438331

Dont know what the difference is. Maybe someone who knows more will chime in.

 

[southkogs]

Re: Need help identifying my out drive

Get the service manual rather than the owner's manual. You'll want the more detail in that one (second link in LAC's post). The Stringers were the only thing OMC built (sterndrive anyway) from '67 until (around) '84. Any manual that covers '67 - '77 should be the Electric shift that you have.

 

[Samseibs]

Re: Need help identifying my out drive

Thanks for the help!!!!!!