Tecumseh Engine ID help - Snowblower Forum : Snow Blower Forums
 
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post #1 of 10 Old 03-04-2015, 11:11 PM Thread Starter
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Tecumseh Engine ID help

Apparently this is a 7HP OHV model. Looking for an HS50 sub. Any help is appreciated. Thanks!



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post #2 of 10 Old 03-05-2015, 12:35 AM
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That one appears to be similar to this.
OH195SA-72536
but is a dual shaft.
Why are you looking for a 5hp engine? Have you seen our new re-powering forum here?
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post #3 of 10 Old 03-05-2015, 01:41 AM
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Why do you even want a 5hp? There is no replacement for displacement and even though my 5hp Tecumseh would run once I got it started the old 5hp engine was anemic at best compared to the over powered Predator 212cc. The 7hp engine is better and the HF Predator 212cc is every bit as powerful as a 7hp Tecumseh or more powerful.
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post #4 of 10 Old 03-05-2015, 11:27 AM Thread Starter
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Sorry I wasn't clear.
I have a working HS50 on a '78 compact 932006, 24" bucket. I don't know the compression or RPM output but I do know that it handled this winter great except for the one dumping that was higher than the bucket. I also live in the city and don't need to throw snow extremely far. But, this engine came up for sale locally. 7HP and dual shaft like I need. Is it a huge project? I want to be sure its worth it, but whereas 5HP v.s. 7HP L-head doesn't seem like a huge jump, the OHV engine may make it worth while? Also, where would this engine have been built?
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post #5 of 10 Old 03-05-2015, 06:27 PM Thread Starter
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I went to see the motor today but didn't pull the trigger.
The mounting holes are the same pattern, pulleys are the right diameter, I believe the motor will clear the shift lever...

Only problem is I'm almost certain the chute control will not clear the heater box, it hangs over the edge of blower farther than the original. I'm stumped. Don't really know if a chute control mod is worth the price of admission... Any pointers?
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post #6 of 10 Old 03-07-2015, 02:45 PM Thread Starter
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OK. I bought it as cheap insurance cause I love my 70's compact 24 ariens (and I'm in $500 invested so far, purchase & new gearbox). I can make the swap if necessary.

OHSK70 from Feb 1999?
The breather tube (?) from the top of the engine isn't presently connected to anything, dangling near the carb. Is that OK?

cheers & thank you for any pointers.
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Last edited by cancon; 03-07-2015 at 04:36 PM.
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post #7 of 10 Old 03-07-2015, 05:15 PM
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The breather hose would normally go to the air filter box, which your engine does not have since it is a winter engine. That brass screw with the mangled head in picture number-6 is the low speed (idle) jet. It is not an adjustment screw. There are two or three small holes in it that must be clean for a good running engine and it is tightened until seated.

Disassembly, Cleaning and Repair of Tecumseh Series 1 Emission Carb 640084B

Service Manual-
http://www.barrettsmallengine.com/ma...alvemanual.pdf

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Last edited by Grunt; 03-07-2015 at 05:21 PM. Reason: Add Info
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post #8 of 10 Old 03-07-2015, 07:09 PM Thread Starter
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Cheers! Thanks for the links.
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post #9 of 10 Old 03-08-2015, 01:31 PM Thread Starter
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Does the breather hose remain disconnected at the bottom end?
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post #10 of 10 Old 03-08-2015, 01:49 PM
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Quote:
Originally Posted by cancon View Post
I went to see the motor today but didn't pull the trigger.
The mounting holes are the same pattern, pulleys are the right diameter, I believe the motor will clear the shift lever...

Only problem is I'm almost certain the chute control will not clear the heater box, it hangs over the edge of blower farther than the original. I'm stumped. Don't really know if a chute control mod is worth the price of admission... Any pointers?

I guess it depends on how far you need to move it. The worm gear allows some movement of the rod. I have seen pictures of people shimming the rod bracket up on the handle bars. I recall one person used a 2x4.
Hopefully someone who can share a picture will chime in as a picture is worth 1,000 words.

The tube is to allow crank case vapors to be sucked back in to the carb via the air intake and reburn any volatiles. I don't think it is fussy how you do it.
Good luck with your mods.

Current machines
Ariens 926LE

Yard Machine 22" upgraded with 6.5 HP Predator

Last edited by Toro-8-2-4; 03-08-2015 at 01:53 PM.
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