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White smoke out the exhaust

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Mandy74
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PostPosted: Thu Oct 17, 2013 6:30 am    Post subject: White smoke out the exhaust Reply to specific post Reply with quote

I need help! I have white smoke coming out the exhaust of my JD 50. What would cause this? At first I thought white smoke means anti-freeze. But I have watched my anti-freeze levels and they have not moved after working the tractor. Also, got the tractor up to temperature and checked to see if there was any bubbles in the radiator. There was not!! Funny thing about this tractor is when you move the distributor clockwise from TDC it don't smoke as much still some white smoke but not like if the distributor is at TDC. About to pull my hair out. Thanks for all your input.
 
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David from Kansas
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PostPosted: Thu Oct 17, 2013 6:38 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Does it still smoke white after getting good and warm?
My experience has been that white smoke = moisture in one form or another. Sometimes it can just be condensation in the engine and exhaust system but will usually clear up as the engine and components warm up to dry out the moisture. If it is consistent, it might be a serious problem.
 
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wilamayb
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PostPosted: Thu Oct 17, 2013 6:38 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

What does the smoke smell like? Like ethylene glycol or more like unburned hydrocarbons?
 
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Mandy74
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PostPosted: Thu Oct 17, 2013 6:56 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Unburned hydrocarbons.
 
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Mandy74
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PostPosted: Thu Oct 17, 2013 6:59 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

It takes it a good long time to warm up where it isn't smoking but every time I throttle up I get a big puff of white smoke.
 
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buickanddeere
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PostPosted: Thu Oct 17, 2013 7:29 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Are the carb idle and main screws leaned back to as lean as possible without stumbling, stalling or losing power ?
How hot is operating temp? 160,180 or 195F
 
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David G
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PostPosted: Thu Oct 17, 2013 7:30 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

How cold is it out?
 
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buickanddeere
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PostPosted: Thu Oct 17, 2013 7:31 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Coil and battery polarity ?
 
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Mandy74
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PostPosted: Thu Oct 17, 2013 7:32 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

About 67 degrees during the day and 45 at night.
 
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Mandy74
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PostPosted: Thu Oct 17, 2013 7:40 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

The idle screws are set to 1/2 turn out. Where the Poppin John told me to set it. The hottest it gets is 140F.
 
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Mandy74
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PostPosted: Thu Oct 17, 2013 7:52 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Negative
 
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buickanddeere
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PostPosted: Thu Oct 17, 2013 8:27 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

140F Is no where near being warmed up.
195F or forget about it.
 
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buickanddeere
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PostPosted: Thu Oct 17, 2013 8:28 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Battery - is to chassis and coil - is to the points ?
 
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Bob Harvey
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PostPosted: Thu Oct 17, 2013 8:33 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

Start it up then put some newspaper over the grill. The fan will keep it in place. Then let it warm up to 180 +. HTH
 
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fixer2u
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PostPosted: Thu Oct 17, 2013 9:21 am    Post subject: Re: White smoke out the exhaust Reply to specific post Reply with quote

There isnt a chance water got into the oil bath is there? Could be sucking in water from there when you pull the throttle as you described?
 
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