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Small Air Cooled Gasoline Engines Briggs & Stratton, Clinton, Lauson, Maytag, Nelson, Wisconsin and other small air cooled engines.

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Lauson RAY815


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  #1  
Old 04-30-2018, 01:59:19 PM
turbo turbo is offline
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Default Lauson RAY815

I just picked this engine up and would like a little more information on it. It is a nice complete RAY Lauson. What were they used on? Also I have only seen pictures of them and assume they are a little scarce. It has a very interesting starting mechanism. Thanks.
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Old 04-30-2018, 02:06:59 PM
EvilDr235 EvilDr235 is offline
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Default Re: Lauson RAY815

That is a neat looking engine. I am glad to still see the brass ID tag still on it. I see lots of old machines with the date tags gone. Let us know how it runs.

---------- Post added at 02:06:59 PM ---------- Previous post was at 02:05:29 PM ----------

DATA tags.
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Old 04-30-2018, 05:02:50 PM
RustySteele RustySteele is offline
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Default Re: Lauson RAY815

I have one of those apart right now, it has a belt driven generator mounted over the head. I believe it was sold through Sears, if I remember I`ll dig out the tag from it and see what it says.
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Old 04-30-2018, 06:50:17 PM
mschreiber mschreiber is offline
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Default Re: Lauson RAY815

b sure to check craigs lauson engine site.
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Old 05-03-2018, 05:26:43 PM
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Craig DeShong Craig DeShong is offline
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Default Re: Lauson RAY815

I've seen them with generators quite a bit. I'm thinking sears sold them as a generator outfit. I have one too sans the generator. I'll comment that these were designed/built near the end of the RAY run. They have a "modern" magneto with magnets on the flywheel. The earlier RAY have a Wico flywheel magneto.
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Old 05-04-2018, 12:49:15 PM
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John Newman, Jr. John Newman, Jr. is offline
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Default Re: Lauson RAY815

I bought a Lauson RAY with a belt drive generator bolted to the head through Ebay some years ago. Seller thought it might have come from Montgomery Ward....
I'll see if I can dig it out and take a picture or two.


OK - Here is my RAY and the generator. Plate that goes between the head and the generator is somewhere in the shop, but I did not see it today.
Engine looks sharp, but is worn out. I can wiggle the piston around at TDC with the head off. Generator is still as found. No ID tag. Probably was on the missing end bell cover. Is an AC unit, with commutator and slip rings.
Arrrrrg! My pictures are sideways.
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Old 05-25-2018, 11:21:37 AM
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Default Re: Lauson RAY815

A update one progress. I disassembled, cleaned and inspected the engine over the last week. It is in very good shape showing little wear. The piston was lightly stuck along with the exhaust valve. I freed them up and with a little patience I saved the rings too! It is a very well built engine with taper bearing mains. Reminds me of a Wisconsin. It does have the Wico FG magneto. For anyone not familiar with this mag I will tell you they were not the best. Over complicated for sure. And if "bubba" tried to do anything besides clean points then its all over! If the center rotor is left out for any length of time the magnets will lose charge (much like leaving and "EK" open) I ohm checked the coils and they are good, replaced the condenser with a "Chiclet" style and made a new point arm out of some phenolic. Adjusted the point cam and it has great spark! The governor/cam is unique too. It has a helical gear and runs 90' to the crankshaft. Next week I will have access to my valve grinding equipment so I should have it running.
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