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Clinton Outboard Motor


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  #1  
Old 11-07-2018, 11:29:58 PM
ken dunlop ken dunlop is offline
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Default Clinton Outboard Motor

I have a Clinton J9 outboard motor
I would like to know if you have to use outboard 2 stroke oil, or can you use the same 2 stroke oil that you use in a lawn mower?
Thanks in advance.
Cheers Ken.
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  #2  
Old 11-07-2018, 11:39:23 PM
cobbadog cobbadog is offline
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Default Re: Clinton outboard motor

I have never used any other 2 stroke oil than Valvoline in my outboards, mowers and whipper snippers. Can't see any reason that you can't use what ever 2 stroke oil you want to. Maybe only the Greenies would complain that the opil will kill the fish.
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  #3  
Old 11-08-2018, 01:32:33 AM
ken dunlop ken dunlop is offline
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Default Re: Clinton outboard motor

Quote:
Originally Posted by cobbadog View Post
I have never used any other 2 stroke oil than Valvoline in my outboards, mowers and whipper snippers. Can't see any reason that you can't use what ever 2 stroke oil you want to. Maybe only the Greenies would complain that the opil will kill the fish.
Hi
This is an aircooled outboard andI would really like to know if using outboard 2 stroke oil will clag it up,or if using ordinary 2 stroke will do some damage.
The motor is about 1965 vintage and still has very good compression.
Cheers Ken
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Old 11-08-2018, 03:33:53 AM
Scotty 2 Scotty 2 is online now
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Default Re: Clinton outboard motor

If I remember, the reason why there is air cooled 2 stroke oil and water cooled 2 stroke oil is the air cooled stuff is designed to be used at a higher temperature. If it's air cooled then use air cooled type oil. It probably wouldn't matter too much if the engine is only run for short periods of time. I wouldn't use water cooled stuff in our whipper snipper as it runs for up to 8 hours a day when I'm into it. Same as I wouldn't use air cooled oil in our 6 cylinder Merc when we're heading 18 KMs off shore.
Do they use 2 stroke oil in those? Quite a number of older 2 strokes use SAE 30 non detergent engine oil in the mix.
Cheers Scott
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Old 11-08-2018, 05:03:29 AM
typak typak is offline
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Default Re: Clinton outboard motor

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Originally Posted by Scotty 2 View Post
Quite a number of older 2 strokes use SAE 30
Cheers Scott
Generally the plain two stroke oils are just a clean burning SAE 30 oil, also quite suitable for two strokes with drip oilers where 30 is specified.


https://www.castrol.com/en_au/austra...garden-2t.html
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Old 11-08-2018, 10:32:22 AM
bartlett0815 bartlett0815 is offline
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Default Re: Clinton outboard motor

Ken,
I have 2 of these, neither running. I remember my father used one to propel our boat, then he kept it as a spare when we got a larger boat. I think the other was meant as a parts donor motor. This was back in the late 60's/early 70's. I believe I have the original owner's manual somewhere at home. When I was trying to get this motor running again years ago I think the manual just said to use 30 weight non detergent oil. If I can find the manual, would you like a copy? If so I can scan it and post it here.
Good luck,
Kevin in NC

---------- Post added at 09:32:22 AM ---------- Previous post was at 09:28:54 AM ----------

Ken,
I forgot to add this, and you may already know it, but the J9 was air cooled, yet it had a water cooled exhaust to improve scavenging of the exhaust gases. When I was trying to get this thing going again, the internet was still in it's infancy and I was never able to find a replacement impeller.
Good luck,
Kevin in NC
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Old 11-08-2018, 03:39:24 PM
Scotty 2 Scotty 2 is online now
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Default Re: Clinton outboard motor

Quote:
Originally Posted by typak View Post
Generally the plain two stroke oils are just a clean burning SAE 30 oil, also quite suitable for two strokes with drip oilers where 30 is specified.


https://www.castrol.com/en_au/austra...garden-2t.html
That product has a Jaso FB level of detergency hasn't it? Wouldn't that make it unsuitable where a non detergent oil for use is recommended. I know the Maytag chaps stress upon using non detergent oils in the mix and not to use a modern 2 stroke oil.

And besides that, it wouldn't be original would it? We all know how everything has to be 'as it left the factory' with you.

Cheers Scott

Last edited by Scotty 2; 11-08-2018 at 04:03:24 PM.
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Old 11-08-2018, 03:43:53 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Clinton outboard motor

Circa 1965 is old tech. I would not use modern lubes in it. SAE 30 NON_Detergent or TCW type 3 OIL only. TCW-3 OIL is a 2 cycle lube that is not cut with solvents, like the modern stuff. If no oiling instructions, 16:1 ratio - one cup oil to 1 US gallon of gas. Modern lubes will be too thin to lube the bearings properly. Have a good look at the crankshaft seals, they may be hardened with age, and air leaks will make the engine run too lean, if at all. Points gap .020", plug .030, probably uses a Champion J8-J spark plug. A J17-LM probably will work too. NO resister plugs! They will ruin the coil. More of a trolling motor than a speedster, but it will get you around in a small boat!
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Old 11-08-2018, 05:40:01 PM
typak typak is offline
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Default Re: Clinton outboard motor

Quote:
Originally Posted by Scotty 2 View Post
And besides that, it wouldn't be original would it?
Nothing new about two stroke oil.
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  #10  
Old 11-08-2018, 06:28:08 PM
Scotty 2 Scotty 2 is online now
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Default Re: Clinton outboard motor

Quote:
Originally Posted by typak View Post
Nothing new about two stroke oil.
But is that old stuff in the ads the same as the modern Castrol 2 stroke oil that you recommended?
I think not.

Cheers Scott
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