5hp Tecumseh HSSK50 engine that lacks oomph - Snowblower Forum : Snow Blower Forums
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post #1 of 41 Old 02-18-2016, 01:36 PM Thread Starter
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5hp Tecumseh HSSK50 engine that lacks oomph

Hello,

I am Doug from Colorado. I have a Yard Machine snow blower with a 5hp Tecumseh HSSK50 engine that lacks oomph.

A number of years back I had a guy try to get a little more power out of it because it lacked it in any real depth of snow or wet snow. He advanced the timing and removed the governor I believe. Again, it has been several years.

Forward to today and it still lacks power if you ask me. I would rather not buy a new, more powerful snow blower as mine is paid for and works. Just not as well as I would like. I have thought about more performance upgrades, but it appears that there is not a lot of aftermarket support for this engine.

I may consider some of my own mods and may add some parts if it seems that it will be worth it.

I stumbled across this site and thought I would look around and see what others are dealing with.

Thanks,

Doug
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post #2 of 41 Old 02-18-2016, 02:04 PM
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hello dug, welcome to SBF!! I would set the gov to factory spec, no need in blowing up the motor. I would add an impeller kit, probably the best bang for the buck mod you can do. has the carb been cleaned and properly set, how about the belts. does your motor have points and condensers and what have they been checked

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post #3 of 41 Old 02-18-2016, 02:08 PM
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Hello Doug & welcome to The Site!!
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post #4 of 41 Old 02-18-2016, 02:09 PM Thread Starter
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All of the m/x and tune up stuff was done before Winter started and belts were changed also.

I saw the impeller mod and plan to do that as well.
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post #5 of 41 Old 02-18-2016, 02:13 PM
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Hi Doug,

I ran my 80s vintage yardman with a 5hp tecumseh and it seemed to do ok here in MA. Even in some big storms(24 inches plus of dry snow, not so much in wet snow ). I finally did swap the motor out for a Harbor freight predator 212cc.
It has more power with the larger engine I think it works out to 6.5 to7 HP ?.It also starts easier and is less temperamental than the 30 year old tecumseh.

Short of an engine upgrade I would recommend an impeller kit . I have seen that make a great improvement on some 5 hp machines especially in wet snow . I am going to add one myself for next year. It is a set of rubber plates that mount on the impeller. you can buy pre made kits or make them yourself .
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post #6 of 41 Old 02-18-2016, 02:31 PM
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+1 to impellar kit - if your at a higher elevation I would also look at modifying/drilling out the jet to a larger size. I think those 2 things will gain you much.


EDIT --- OOOPS --- need to go smaller! duh....




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Last edited by bad69cat; 02-22-2016 at 01:52 PM. Reason: Bad advice!
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post #7 of 41 Old 02-18-2016, 02:50 PM
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to the forum ColoradoDoug

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

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post #8 of 41 Old 02-18-2016, 04:57 PM
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Welcome!

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post #9 of 41 Old 02-18-2016, 05:01 PM
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Welcome Douglas !!!
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post #10 of 41 Old 02-18-2016, 05:58 PM Thread Starter
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Thanks for the warm welcome
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