Repair or replace - HMSK100-159236W - Snowblower Forum : Snow Blower Forums
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post #1 of 18 Old 01-09-2016, 06:52 PM Thread Starter
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Repair or replace - HMSK100-159236W

Hello,
I have a cracked block + broken connector rod.

Is it better to try to repair or replace? If I replace, what would other models are equiv without having to replace the crankshafts?

Snowblower is 15 years old and everything else is looking pretty good...

thanks,
Hilly
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post #2 of 18 Old 01-09-2016, 07:22 PM
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Quote:
Originally Posted by hilly View Post
Hello,
I have a cracked block + broken connector rod.

Is it better to try to repair or replace? If I replace, what would other models are equiv without having to replace the crankshafts?

Snowblower is 15 years old and everything else is looking pretty good...

thanks,
Hilly
Welcome to SBF. It is usually an easy repower especially if the engine is a single PTO shaft design. Harbor Freight Predator 212cc will usually work really well in a snow blower up to 27 inches wide on the bucket. Check out the repower section here on the forum. As to fixing I would not even attempt it since a broken connecting rod would have caused major damages plus parts availability are starting to get a bit depleted for Tecumseh engines.

Last edited by GustoGuy; 01-09-2016 at 07:25 PM.
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post #3 of 18 Old 01-09-2016, 07:23 PM
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i would put an 8hp predator on it if you dont have the extended camshaft
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post #4 of 18 Old 01-09-2016, 08:28 PM Thread Starter
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Should I move this thread to the repowering section?

How can I tell if everything will match up if I swap out to a pred?

Do measure the length of the crankshaft to verify?

Do I measure the mounting block? If they don't match I'm guessing I could just pick a new location on the blower.

I just can't seem to find any charts that say Engine XYZ will allow Engine ABC to allow a flawless remounting.

Yea, I'm thinking a repowering is in order but there are just so many choices out on craiglist/ebay and I never know which ones will fit.
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post #5 of 18 Old 01-09-2016, 08:29 PM
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Garage
to the forum Hilly


to Re-Powering


What will bolt right up is another used Tec HMSK100. I'd have to look it up but there are a few engines that share the same block just a different stroke crankshaft or bore. There are options for getting a new Tec engine block and swapping some parts but the old Tec's are old and if you get used you have no clue if it's going to be a day, a week, a month until it's connecting rod flies out the side of the block.

If you read through some of the threads on predator replacements you'll see in most cases there isn't that much that needs to be done.

What snow blower are we talking about Re-Powering ??

EDIT: I'm fairly sure the 80, 90, 100 and 105 share the same block.

.
Make sure the windows are up before the snow plow goes by !!

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post #6 of 18 Old 01-09-2016, 08:39 PM
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Quote:
Originally Posted by hilly View Post
Should I move this thread to the repowering section?

How can I tell if everything will match up if I swap out to a pred?

Do measure the length of the crankshaft to verify?

Do I measure the mounting block? If they don't match I'm guessing I could just pick a new location on the blower.

I just can't seem to find any charts that say Engine XYZ will allow Engine ABC to allow a flawless remounting.

Yea, I'm thinking a repowering is in order but there are just so many choices out on craiglist/ebay and I never know which ones will fit.
The engine will be a direct bolt in if you had a Tecumseh 8hp or smaller. If you have a single PTO shaft it willl be a real easy swap.
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post #7 of 18 Old 01-09-2016, 09:11 PM Thread Starter
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I'll swing over to my local HFT and give it a go.

I see the pred's have counter clockwise. I can't find any information on the tec for rotation. Shaft specs say they should match up fine...

-hilly
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post #8 of 18 Old 01-09-2016, 09:34 PM
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Put a Predator 420cc on it with electric start. It will be a beast! Way more power than the 10hp Tecumseh
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post #9 of 18 Old 01-09-2016, 10:03 PM Thread Starter
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I'm thinking the 212 is too small. The original was a tec 10hp for a 30inch. The 212 is a just a stupid good deal though!

The 212 does fit perfectly onto the block but the pullies are a smaller shaft. I'm thinking I need to run back to HFT and upgrade...
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post #10 of 18 Old 01-09-2016, 10:13 PM
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Quote:
Originally Posted by hilly View Post
I'm thinking the 212 is too small. The original was a tec 10hp for a 30inch. The 212 is a just a stupid good deal though!

The 212 does fit perfectly onto the block but the pullies are a smaller shaft. I'm thinking I need to run back to HFT and upgrade...
The 301cc Predator 8hp would most likely run just as strong as the 10hp Tecumseh or even stronger.
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