QuestionQUESTION: I have a 8-10 year Snapper two stage snowthrower, I believe it's 21". I try not to leave gas in it when not in use. I use the suspension fluid with the gas. I never had a problem with until recently. I could not get it to start last night, (we had about 9 inches of snow). It is so frustrating because I do take care of it and still have the problem with it starting.There was a red key in the engine body which you were not supposed to touch, which has been lost. It may be a dirty carburator. Is that easy to fix. Any suggestions would be appreciated. My back can't take much more shoveling.
ANSWER: Hello Keith,
The following is an engine troubleshooting set of steps to follow:
1. Check for spark.
2. Check if spark is wet or dry.
If Wet
Check if Spark Plug Defective
Is the air filter clogged
Check the condition of the Flywheel
Check the carburetor condition. Is problem due to flooding, over priming
Check Ignition
If the Plug is dry
Check fuel supply [Do you have fresh gas?]
Are there any restrictions in fuel system [filter, screen]
Check for Carburetor problem
Compression Check. This check can be done taking the spark plug out and putting your thumb over the hole to see if the compression is strong enough.
In my experience, most starting problems related back to the spark plug and/or the carburetor. It sounds as if you may have to overhaul the carb.
For any further info check to see the make [and serial no.] of the engine.
Sincerely,
Howard
---------- FOLLOW-UP ----------
QUESTION: Thank you for your response. I took the carb cover off and sprayed starter fluid in it and it started. It seems to be running rough, the engine idle is up and down and it won't shut off until I shut the choke. How difficult is it to clean the carb? It is a Snapper I 5223, with a Tecumseh engine, vintage 1996-97. I'll try a new plug and see it that helps.
AnswerHi Keith,
Bad idea to spray starter fluid into the carb. There are rubber seals that can be damaged by [Quick] start fluids. Cleaning the carb is not all that difficult depending on how much experience you have. First, you must identify the type of carburetor that you have. In a float type carb the float bowl is fastened with a 'high speed bowl nut.' Once you loosen the bowl nut you must be careful not to damage the "o-Ring" that sits along the top edge. Usually I will replace the "o-Ring" as well as replacing the needle. If your unsure, I would suggest having a trained technician look over your carburetor overhaul. It should be more than $60 - $75.
Hope you find this information useful,
Howard
