Carburetor swap. ST824 to ST924. Possible? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 10-31-2015, 09:43 PM Thread Starter
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Carburetor swap. ST824 to ST924. Possible?

Have an ST824 parts machine that I think is model 924050.

Just purchased an ST924 that is either model 924093 or 924312. The previous owner removed the model number tag. This ST924 is missing the carb, intake and the metal shroud. What are the chances the 824 carb will work on the 924? My guess is that the intake will be OK but I do not know about the carb working well on the larger engine. Not sure if it will have the linkages in the same place or the main jet will be the right size.

If I must buy a new carb are there any after market carbs that are less costly than an OEM Tecumseh that work well? The name Oregon pops up now and then. Do they make good carbs?

Thanks in advance.

.
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post #2 of 8 Old 10-31-2015, 11:22 PM
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I say give it a try and see what happens. The worst that could happen would be it doesn't work. The HM80 - HM 110 engines were pretty similar. Sometimes the only difference was the sticker on it. You could get some micro drill bits or torch tip files and open the main jet up by hand slightly if the engine runs poorly.

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post #3 of 8 Old 11-01-2015, 12:37 PM
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Should Work Fine.
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post #4 of 8 Old 11-19-2015, 10:38 PM
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Welcome to the forum Lock45

I agree with give it a try. They are likely the same but not guaranteed.

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post #5 of 8 Old 11-20-2015, 10:17 AM
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They're the same carb

1964 Snowbird S-241
1962 Ariens 10ML60
1961 Ariens 10ML35
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post #6 of 8 Old 11-20-2015, 09:05 PM Thread Starter
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The carb and intake appear to be a straight forward replacement. The muffler and carb heater shroud are different and I am looking to source them locally now.
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post #7 of 8 Old 12-06-2015, 05:17 PM Thread Starter
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The ST824 carb and intake fit well. I also moved the older style of muffler and heater box over from the ST824 to the ST924. After rebuilding the carb, with the help of a DonyBoy73 YouTube video, the beast fired right up on the third pull.

The electric starter was dead as the stator field coil wires were broken and had come loose. The starter on the parts ST824 machine had broken brushes so I blended parts from the starters of both machines and now have a working electric starter.

The ST824 has been reduced to parts and the spares sit on a shelf in my shop. The big sheet metal parts are long gone.

.
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post #8 of 8 Old 12-07-2015, 07:04 AM
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Congrats on getting it running. Many parts from the 7 - 10 HP motors will interchange including the carb as long as the linkage is the same.
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