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Garden Tractors / Mowers / Scooters Vintage lawn and garden tractors, mowers, snow blowers, snowmobiles and other old machinery that is driven by small air cooled engines.

Garden Tractors / Mowers / Scooters

Old Tecumseh


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  #1  
Old 01-23-2019, 12:28:46 PM
shamus40 shamus40 is offline
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Default Old Tecumseh

how do you set points when the internal flywheel dia is the eccentric that actuates. special tool? make one? this is a 50's horizontal 2 stroke
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Old 01-23-2019, 01:58:59 PM
gdstew gdstew is offline
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Default Re: old Tecumseh

Welcome to the Stak---

I don't remember any engines where the flywheel operated the points. Most engines used a separate cam that was keyed to the crankshaft. There was a type number tag bolted to the crankcase, with those numbers or a photo, we should be able to figure something out.
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Old 01-23-2019, 02:46:50 PM
Andrew Mackey Andrew Mackey is offline
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Default Re: old Tecumseh

Back in the '50s, that engine should be labeled Power products, if indeed it is a Techumseh predecessor. Clinton also made a similar 2 stroke at the tine, which looked similar. Photo at least of the top of the engine and inside of the flywheel would help.
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Old 01-23-2019, 03:00:16 PM
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Default Re: old Tecumseh

I think I am missing the point cam. This came off a lawn queen with a tillitson carb. Took apart years ago with granson and now years later he wants to rebuild. Might have to buy a whole engine to get one part. thanks Jim
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Old 01-23-2019, 10:24:05 PM
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Default Re: old Tecumseh

Quote:
Originally Posted by gdstew View Post
Welcome to the Stak---

I don't remember any engines where the flywheel operated the points. Most engines used a separate cam that was keyed to the crankshaft.
Stihl is just one brand that comes to mind that did. The cam was inside the flywheel and you installed a collar on the crank that had the lobe on it to adjust points gap. They havent done it in decades though.
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Old 01-23-2019, 10:26:03 PM
Partsman Partsman is offline
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Default Re: old Tecumseh

Lawn Queen is a Jacobsen mower. So the engine is a Jacobsen 2 stroke. Get me a serial number off the mower and I may have the missing cam. Jim
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Old 01-23-2019, 10:26:18 PM
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Default Re: old Tecumseh

Quote:
Originally Posted by Andrew Mackey View Post
Back in the '50s, that engine should be labeled Power products, if indeed it is a Techumseh predecessor.
Tecumseh bought Lauson in 1956 and used that name until the 60's when they changed it to Tecumseh, then discontinued building engines in 2008 before they got sold off.
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Old 01-24-2019, 01:11:30 PM
shamus40 shamus40 is offline
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Default Re: old Tecumseh

It's a jacobsen 321 . Does make some spark on hand. Requires the cam tool to set it right thanks Jim
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Old 01-24-2019, 04:31:18 PM
shamus40 shamus40 is offline
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Default Re: old Tecumseh

It' a model 321 . A point set cam would be great
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