Old Montgomery ward 8/26 - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 09-30-2014, 07:21 PM Thread Starter
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Old Montgomery ward 8/26

Hey guys I have an older Montgomery ward snowblower with the 8 hp Briggs and straton engine. It barely runs it runs poorly on full choke and dies almost immediately when I open the choke. When it's on full choke it will idle up really fast then it will just about die then it will pick back up and it will just keep going like that any answers would help thanks in advance.
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post #2 of 8 Old 09-30-2014, 07:33 PM
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a carb cleaning is probably needed

current machines
1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
2-toro 521E-38052. 1-toro xl824pt 38086
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post #3 of 8 Old 09-30-2014, 07:41 PM
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It could be the carburetor, try the shortcut I describe here. If the shortcut does not help at all how spunky does the compression feel when you pull the rope? If seems soft try this.

I'd also hose the governor linkage down with something like WD40 to de-gunk it and check for foreign matter nested behind the throttle plate.

Above all I assume you have fresh stabilized fuel in there to begin with.......

Pete
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post #4 of 8 Old 09-30-2014, 07:44 PM Thread Starter
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I just gave the carb a fresh cleaning I stripped everything down and cleaned it. And the given er linkage moves freely
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post #5 of 8 Old 09-30-2014, 09:28 PM
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Then I'd be inclined to look at the valves. You might find sometinng simple like a failed head gasket or even a poorly torqued head on the way in. A good many carburetors get needlessly rebuilt chasing funky compression.

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post #6 of 8 Old 10-01-2014, 12:43 AM
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Or a failed coil/weak spark.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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post #7 of 8 Old 10-01-2014, 05:23 PM Thread Starter
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How to check for weak spark

How would I check for weak spark?
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post #8 of 8 Old 10-01-2014, 07:17 PM
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The shade tree way, remove spark plug, reinstall wire, rest it away from the hole but against the block, and pull the starter. You should see a strong white/ blue arc, and hear a snap similar to a taser.

The professional technician would use a spark testing tool, that would gauge the strength.

Garage:
MTD....2 stage(modern 8.5 HP) not my favorite
Honda HS622 TA-B - acquired at an auction- nice machine for it's size.
Toro S-140- Picked it up on trash day... it runs, sort of.
Yamaha YS 240 TB "Ricky" latest Craigslist find- on the bench now.
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