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Old 11-11-2019, 01:06 PM   #1
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What is the name of this snowblower engine part?


I'm trying to get my Poulon Pro PR100 snowblower to start. It's about three years old and has been used four times at most. It sat over the summer with gas on the tank, so I'm going to clean the carburetor and replace the spark plug. I'm doing this myself without much knowledge of small engines. So, on top of the engine there is this part, indicated by a red arrow in the pic, that is connected to another part which then hooks into a hole on top of the carburetor. What are these parts called? What is their function? Does it appear there is some part of this linkage missing? Are these parts supposed to move when the choke lever moves? Thanks.
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Old 11-11-2019, 02:03 PM   #2
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Re: What is the name of this snowblower engine part?


Think it might be the governor linkage. If so it helps the motor maintain
speed under varying loads. Hard to tell if anything's missing.
Most likely place to find a blocked passage in the carb is the jet that
screws into the bottom of the fuel bowl.
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Old 11-11-2019, 02:04 PM   #3
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Re: What is the name of this snowblower engine part?


The way it's connected to the engine it looks like possibly the governor control arm. If it is, the carburetor butterfly plate will be in wide open position when the engine is dead.
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Old 11-11-2019, 02:10 PM   #4
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Re: What is the name of this snowblower engine part?


Hard to see from the photo. If the other end is connected to a device near the exhaust, it could be choke. Would be closing carburettor when engine is cold. Otherwise, would agree with previous posts.
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Old 11-11-2019, 02:58 PM   #5
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Re: What is the name of this snowblower engine part?


Governor linkage.
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Old 11-20-2019, 07:30 PM   #6
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Re: What is the name of this snowblower engine part?


Governor Arm
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Old 11-20-2019, 11:00 PM   #7
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Re: What is the name of this snowblower engine part?


If you don't have a manual, follow this link to get one.

Make sure there is oil in the engine, change it if you don't remember when it was last changed. Some machines have a low oil sensor that prevent it from starting if it is triggered.

Here are some troubleshooting tips for when it doesn't start:
1. Safety ignition key is not inserted.
2. Out of fuel.
3. ON/OFF switch is OFF.
4. Choke in OFF position.
5. Primer not depressed.
6. Engine is flooded.
7. Spark plug wire is disconnected.
8. Bad spark plug.
9. Stale fuel.
10. Water in fuel.
11. Vapor locked fuel line.
And the corresponding resolution:
1. Insert safety ignition key.
2. Fill fuel tank with fresh, clean gasoline.
3. Move ON/OFF switch to ON position.
4. Move to FULL position.
5. Prime as instructed in the Operation section of this manual.
6. Wait a few minutes before restarting, DO NOT prime.
7. Connect wire to spark plug.
8. Replace spark plug.
9. Empty fuel tank & carburetor, refill with fresh, clean gasoline.
10. Empty fuel tank & carburetor, refill with fresh, clean gasoline.
11. Ensure all the fuel line is below the outlet of the fuel tank. Fuel line should run continuously down from fuel tank to carburetor
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