Small Engines (Lawn Mowers, etc.): Snowblower runs way way too fast, carburetor linkage, sears craftsman


Question
I have had a Sears Craftsman Snowblower (Model #C950-52935-0)for the past 5 years or, handed down from my father-in-law. The thing is probably 15 years old.  I know just about nothing about small engines so if you could keep it real simple, it'd be appreciated.
The problem is when I started it up today (using the electric start) after a long summer's rest (possibly 2 summers, I can't recall if I used it last year), the engine started revving so fast, I thought the thing was going to explode.  I'm talking like screaming loud, scary fast and continuing to build.  After 15 seconds or so, I just shut it down. It was frightening.  And it's never done that before.  This thing has been sitting in the shed, untouched since last used.  So I'm thinking, could it be a spark plug thing?  Could it be that I didn't put in fresh gas?  Could it be fixed with a simple adjustment?  Is it a choke thing?  Has it got something to do with the electric start?  Any advice would be appreciated.  Remember, keep it simple.  Changing a spark plug would require training.
Thanks

Answer
Hello Greg:

>>From your Description it Sounds like the Throttle Linkage to the Carburetor is Binding or is Stuck.
>>Locate the Carburetor Linkage that goes from the Carburetor to the Governor Arm.
>>Move this Linkage with your Hand and Spray Penetrating Oil (Liquid Wrench, WD 40 or PB Rust Buster) on All the Linkages and the Carburetor Pivots.
>>The Carburetor Linkage should Move Freely when the Engine is Off and the Carburetor should Rest with the Throttle in the FULL OPEN Position.
>>Send me the Make, Model and Type or Spec Numbers Off the Engine, Please. With these I can Locate the Proper Manual and Better Assist you.
>>Thanks

Respectfully

John

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Respectfully

John