"new" to me ST724! - Snowblower Forum : Snow Blower Forums
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post #1 of 27 Old 11-15-2013, 11:07 AM Thread Starter
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"new" to me ST724!

Just picked up the Ariens in my Sig. I am new to snowblowers. I did a little searching but have a few questions. I am not sure what engine I have? I could not find any info about it on the engine.there is one tag that says to use 5w30 in the winter. how much oil does it take? I was going to use FS? The belts are worn. anyone know the part # for the belts or the best place to get them?....TIA

Ariens ST724, 1983? Model #924048, Tecumseh 7 HP, H70-130210H, No Electric start. Purchased 11/15/2013 from OO for $150.

Thanks for helping me out!!!

Last edited by Woody; 11-15-2013 at 11:17 AM.
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post #2 of 27 Old 11-15-2013, 12:22 PM
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You should have 2 tiny yellow plugs on either side of the block. Likely have a big fill tube between the engine and chute. Most have a check oil bar secured to the cap. If you don't, you can pour oil into the engine with one of the cheapo yellow caps removed and wait for it to be near the threads. Then your full up. 5w-30w for cold weather.
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post #3 of 27 Old 11-15-2013, 12:26 PM Thread Starter
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OK. I could not figure out how to edit my post above to add pictures so here are a few.






Ariens ST724, 1983? Model #924048, Tecumseh 7 HP, H70-130210H, No Electric start. Purchased 11/15/2013 from OO for $150.

Thanks for helping me out!!!
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post #4 of 27 Old 11-15-2013, 12:27 PM
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Send a picture if possible to help us identify the engine for you. I would guess it was Tecumseh however. Look for the model number on the top of the engine. If your engine has electric start the plug may be covering it. The ariens model number should be on the transmission somewhere. You can use that number to look up a Manuel for free from ariens and have it printed. (thats if its available) but it seems they have most available online.

3 Ariens 522 Single Stage
Toro 3521 Repowered with a 6.5hp
Craftsman 521 (selling)


other toys
Troybuilt Horse 70s or 80s model
Troybuilt Econo-horse
John Deere Jx75
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post #5 of 27 Old 11-15-2013, 12:30 PM
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Just saw the pictures you posted a min before!

Its a tecumseh for sure.

3 Ariens 522 Single Stage
Toro 3521 Repowered with a 6.5hp
Craftsman 521 (selling)


other toys
Troybuilt Horse 70s or 80s model
Troybuilt Econo-horse
John Deere Jx75
John Deere Js46
John Deere 111

and a few other parts machines.
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post #6 of 27 Old 11-15-2013, 12:35 PM Thread Starter
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Quote:
Originally Posted by jtclays View Post
You should have 2 tiny yellow plugs on either side of the block. Likely have a big fill tube between the engine and chute. Most have a check oil bar secured to the cap. If you don't, you can pour oil into the engine with one of the cheapo yellow caps removed and wait for it to be near the threads. Then your full up. 5w-30w for cold weather.
thanks..I think the yellow plugs were painted. here is a picture of what i think is an extension for the oil drain plug. Any idea what engine I have from the pictures?.........the spark plug I pulled out is a champion J19LM


Ariens ST724, 1983? Model #924048, Tecumseh 7 HP, H70-130210H, No Electric start. Purchased 11/15/2013 from OO for $150.

Thanks for helping me out!!!
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post #7 of 27 Old 11-15-2013, 01:28 PM
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That pipe is your oil drain. Sucks that it wasn't a wee bit longer, but oh well. The ST724 should have a Tecumseh H70 engine, but the numbers on top of the engine recoil cover just below the spark plug will confirm. It will be stamped in there so you might have to scrape some rust off to read it.

Your third picture in the second post shows the oil fill. It is the long tube sticking up in the front of the engine. I think it should be around 20 - 30 oz, but not sure. Just buy a quart and watch the dipstick and stop when it says full.

There are 2 sets of manuals depending on your serial number.

Serial 101 - 19000
Ariens Order Owners Manuals

Serial 24501 - 999999
Ariens Order Owners Manuals

Looks like both use the same belts.

Auger belt: Ariens 072108 1/2" x 36"
Drive belt: Ariens 072098 3/8" x 33"

You can get generic belts, just make sure they are kevlar reinforced high torque belts. At least for the auger anyway. The drive belt you can probably get away with a cheap one.
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post #8 of 27 Old 11-15-2013, 03:20 PM
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Like Colored Eggs said, she's a Tecumseh for sure.
If it's an older machine with no stickers, you likely find the engine model numbers along this line (gotta pull the starter hookup).
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post #9 of 27 Old 11-15-2013, 03:42 PM Thread Starter
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OK...thanks to all of you.....it is much appreciated!!.........I got the OM from the OO when I bought it. I did not have the repair one so thanks for the link, I also did not have the one for the engine..so... Awesome!!

I found the engine # at the top by the plug.......I could read the first part.the rest was rough......that might be enough....

Thanks for the part #'s for the belts.........I buy most of my parts for my cars from rockauto.com(I think rockauto is the best)..........is there an equivalent of rockauto.com for small engine parts equipment......ie. what is the best place to buy parts online......

The manual say to use a champion RJ17LM.......I bought a new R19LM(that is what was in there).....I think it should be OK....thoughts?

I looked in the manual but I could not tell exactly how to replace the belts......some videos show you cracking the blowers in half and replacing the belts.....the Manuel did not really say that....but looks like you need to?.......any videos showing how to do the belts on this site?

gonna go warm it up and then swap in some M1 FS 5w30........

Tanks again!!!

Ariens ST724, 1983? Model #924048, Tecumseh 7 HP, H70-130210H, No Electric start. Purchased 11/15/2013 from OO for $150.

Thanks for helping me out!!!
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post #10 of 27 Old 11-15-2013, 03:50 PM
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Welcome to the forum! You might try these guys for parts Woody.
Ariens Snowblower Parts : eReplacementParts.com
I've never dealt with them, but they sure show a ton of parts along with tips and videos for just about everything you might want parts for. Lots of good parts diagrams too.


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