Scotts 6.5hp mower, OVH engine problem

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  #1  
Old 05-16-01, 04:41 PM
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When I went to mow today, there was a black, thin substance
coming out of the muffler. It caused the mower to smoke
bad, white color smoke. I turned it off, cleaned out the
muffler as best as I could, and tried again. It did it
again. Could it possibly be that I overfilled the oil?
I had trouble getting it to register on the stick, but
when it was hot, it looked too high. I emptied the oil
completely, and refilled it with less oil. I hope that is
all it is, the mower is very new.(the oil in the resevoir
was very clean of course, but coming out the muffler,
it was very black.
 
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  #2  
Old 05-16-01, 06:55 PM
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Hello: dsheley

Good chance the engine was just clearing out the prior oil from the overfilling. The black substance was most likely a combination of oil, from the overfilling, mixed with the fuel and oil that was in the cyclinder head.

This should not cause engine damage now that the oil level is correct and the engine was not run for a long time with the crankcase overfilled.

Good Luck,
Tom_Bartco
Accurate Power Equipment Company.
Small Engine Service and Repair Technician.
Personal Quote:
"If it ain't broke, don't fix it!"
 
  #3  
Old 05-17-01, 09:36 AM
Joe_F
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Smile Tips to prevent oil overfilling

Here's some tips that I use to prevent engine oil overfilling (seems to be common in this forum):

Always check your engine oil when cold. Warm oil has not had a chance to settle and you'll get a false reading. Check it before starting the unit for use.

When draining, give the unit a shake and a jiggle to make sure you get out the oil. I find this works best. Be careful not to spill the gasoline. Have a good, wide pan handy to catch the old oil. (I use my car drain pan). Make sure to recycle the old oil at a service station or collection center. Old detergent bottles are handy for holding and transporting old oil.

1) Find out from the manfacturer what the capacity is for that engine. Contact the engine company if you do not have the book for your model unit. Briggs and Stratton: http://www.briggsandstratton.com or Tecumseh: http://www.tecumseh.com

2) Use a graduated oil bottle. For those of you who change your own oil on your cars, keep an empty when you do the next oil change. Most of the companies now have the bottles with graduated measurement windows on the side. Havoline, Exxon and Mobil are three that I have used that do.

3) Once you know the capacity for your engine, just fill the empty to the recommended capacity line on the bottle and pour it into the engine. No more overfilling .

I still have the original 20OZ Pennzoil container that came with my 1992 Craftsman that I bought . I use that for all units that require that amount of oil. Works like a charm!!!

Hope that helps.
 
  #4  
Old 05-17-01, 11:26 AM
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Thanks for the replys. I was a bit nervous when I saw
the white smoke, but I feel better now knowing that
it should be OK. I did not run it for more than about
two or three minutes.
 
  #5  
Old 05-18-01, 09:21 PM
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Thumbs up

u put to much oil in your mower ,16/20ozs is correct amount
 
  #6  
Old 05-22-01, 01:15 PM
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Thanks, I did not put much in, just a partial normal
bottle of oil, maybe a quarter of it, but the dipstick
did not register correctly, it only showed up on the bottom
which lead me to believe it was not too full. Thanks again.
 
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