sooty spark plug - stalls out - Snowblower Forum : Snow Blower Forums
 
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post #1 of 5 Old 02-02-2015, 09:38 PM Thread Starter
AJR
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sooty spark plug - stalls out

2 yo used snotek - last year problem starting - added gas stab and seaform - worked ok but only used 1 time - no snow.
this year when i turn the choke to run it sputters - turn it back and its runs ok for about 30 minutes and then dies out - pulled the plug - very sooty (carbon?).
purchased new plug - same problem - fouled plug after about 30 minutes.
any thoughts?
thanks
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post #2 of 5 Old 02-02-2015, 09:46 PM
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Originally Posted by AJR View Post
2 yo used snotek - last year problem starting - added gas stab and seaform - worked ok but only used 1 time - no snow.
this year when i turn the choke to run it sputters - turn it back and its runs ok for about 30 minutes and then dies out - pulled the plug - very sooty (carbon?).
purchased new plug - same problem - fouled plug after about 30 minutes.
any thoughts?
thanks
Are you saying you are running with some choke all the time?
If so that would explain the sooty plug but we'll wait for your response.

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The 15 HP is a new Ducar engine sold
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post #3 of 5 Old 02-02-2015, 09:53 PM Thread Starter
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when i turn the choke to the run position -counterclockwise it sputters and seems like it will stall.
if i turn it clockwise - it runs smoother, but i dont think i should run it in that position
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post #4 of 5 Old 02-02-2015, 09:59 PM
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when i turn the choke to the run position -counterclockwise it sputters and seems like it will stall.
if i turn it clockwise - it runs smoother, but i dont think i should run it in that position
It would indicate that your carb needs cleaning, any chance gas was left over from previous year? If so at season's end you should remove all gas and let the engine run dry.

Snow Removal Apparatus I own:
Ariens ST1530DLE, and good ole arm powered scrapper.
The 15 HP is a new Ducar engine sold
by Princess Auto in Canada.
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post #5 of 5 Old 02-02-2015, 10:25 PM
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It would indicate that your carb needs cleaning, any chance gas was left over from previous year? If so at season's end you should remove all gas and let the engine run dry.
+1 on what Normex said. Everything he said is true.

Your main jet and emulsion tube orifices most likely mucked up. Most likely just dirty,gunk from old gas. You should be able to run in run position, not partial choke if you were to get that carb cleaned up.

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