Won't start - where do I start? - Snowblower Forum : Snow Blower Forums
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post #1 of 15 Old 02-22-2015, 10:26 AM Thread Starter
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Won't start - where do I start?

I'm looking for some help with my 2008 Simplicity with a 10hp B&S engine.

I was snowblowing this AM and it quit running. It acted like it would if it ran out of gas, but there is plenty of gas in the tank. The oil is in the full range.

I usually use the pull start, and when I do, it pulls a little easier than normal. The engine turns, but doesn't start. When I try the electric start, it turns and then backfires something terrible, but won't start.

I am somewhat mechanically inclined, but I've never done any sort of engine work other than swapping out a blown engine on an old Snapper rear-engine rider. Any ideas where to start?

Thanks very much!

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2008 Simplicity 1060
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post #2 of 15 Old 02-22-2015, 11:07 AM
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I would start at the carb.

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post #3 of 15 Old 02-22-2015, 11:32 AM
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I had a problem like yours ,wound up I had frozen water in tank ,emptied tank and put fresh fuel mixed with a little dry gas and it fixed it for me
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post #4 of 15 Old 02-22-2015, 12:05 PM
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The easiest would be to check for spark.
Next would be to pull the fuel line and let it run into a can to see if you get a good strong flow through the hose. Could be water/ice in the tank or line or could be the line deteriorating from the inside if it's restricted.

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post #5 of 15 Old 02-22-2015, 12:52 PM
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Also, clogged vent on gas cap. Check by loosing cap. And see if it will start.




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post #6 of 15 Old 02-22-2015, 01:22 PM
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Quote:
Originally Posted by DavidR View Post
I'm looking for some help with my 2008 Simplicity with a 10hp B&S engine.

I was snowblowing this AM and it quit running. It acted like it would if it ran out of gas, but there is plenty of gas in the tank. The oil is in the full range.

I usually use the pull start, and when I do, it pulls a little easier than normal. The engine turns, but doesn't start. When I try the electric start, it turns and then backfires something terrible, but won't start.

I am somewhat mechanically inclined, but I've never done any sort of engine work other than swapping out a blown engine on an old Snapper rear-engine rider. Any ideas where to start?

Thanks very much!
check for spark, check for fuel. clean the plug. if you have spark and fuel and it won't start, it may have sheared the keyway on the crank, and went out of time.




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post #7 of 15 Old 02-22-2015, 02:28 PM
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Sounds to me more like broken timing key or a valve problem.

Joe

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post #8 of 15 Old 02-22-2015, 02:52 PM
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Quote:
Originally Posted by micah68kj View Post
Sounds to me more like broken timing key or a valve problem.
+1
I agree with Joe. If it is pulling over easy, sounds like a stuck valve allowing compression to blow by, OR, worse case scenario, a broken piston rod.

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post #9 of 15 Old 02-22-2015, 03:31 PM Thread Starter
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Thanks for the suggestions everyone. I have spark and gas (I use a fuel stabilizer in all my gas cans, year round, and we have so much snow here that the gas is fresh). I am out of time today, so I'll have to wait until next weekend to work on it more.

This was supposed to replace my 25 year old blower, which was to become a backup. Thank goodness I have that old machine.

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2008 Simplicity 1060
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post #10 of 15 Old 02-22-2015, 03:39 PM
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Sounds like a compression test is in order.

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