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Why is lawn tractor crankshaft pulley smoking

I have replaced everything, from gas lines to transaxle pulley. Brunning smell and smoke began coming from under engine. The crankshaft pulley was smoking!

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Sounds like something is binding. or belt is slipping. Does it smoke when not in gear. Check and see if everything turns by hand when out of gear and no motor running. Make sure its not binding anyplace. If that is ok Start it up and just idle the engine and try to run the deck and put it in gear. If that stalls it out then you do have a problem.

Posted on Jan 07, 2017

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Posted on Jan 02, 2017

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rockitman187
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SOURCE: loud screech noise from deck area

This can be due to a belt slipping or a bad spindle bearing.
And on the difficulty scale,10 being extremely difficult, The belt would be a 1 or 2 and the spindle about 6 or 7 (because the deck usually needs removed for this job)

Posted on Apr 04, 2009

blueextc3221
  • 15935 Answers

SOURCE: White smoke from my Craftmans tractor,

Use the lawnmower's oil dipstick to determine whether the oil level is correct. Maintain the correct level of oil. If you've overfilled the oil, open the drain plug, and drain some of the oil into a waste container.

Dispose of any excess oil properly. Burning off excess oil is undesirable. It can foul the mower's spark plug, piston rings, and other engine components and contributes to air pollution.

If your mower's engine has not been overfilled with oil, but still is smoking, it may have stuck or worn piston rings or another maintenance problem.
If it has sat over the winter, and didnt have stabilizer in it - it may be bad gas too. Drain it out, and put in fresh.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Posted on Apr 10, 2009

wadembly
  • 489 Answers

SOURCE: Craftsman Lawn Tractor/ hard start/ whitish smoke

does it turn over slow or fast if it turns slowly thats the problem so it could be battery or starter they have to have a good amount of rpms to burn fuel right when starting if not it floods out the engine with gas hope this helps thanks wade

Posted on Jul 05, 2009

  • 133 Answers

SOURCE: what would cause white smoke from the front of my

It could be your valves. My friends mower was blowing a lot of smoke and I think some oil. I replaced the valves and it runs like a dream.
I can't remember the steps to remove and replace, sorry.
If you are mechanically inclined it shouldn't be that hard. The only problem I has was the new valves (keeper or whatever holds them in place) was different than the old one.
You could call a repair shop and get an estimate.
Good luck. Let me know if this any help.

roundo4

Posted on Aug 16, 2009

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  • 6 Answers

SOURCE: smoke when blades engaged on yardman 42'' yard tractor

The oil on your pulley could definitely be the culprit. You need friction in order for your belts to work properly.

Posted on Apr 18, 2010

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