smoke and oil coming from Toro variable speed propelled mower exhaust
I bought a new (customer returned) mower from a salvage dealer. It has never cut grass as below the deck is pristine. I added oil and gas and it started on the second pull. It pours smoke from the exhaust as well as spits oil (maybe oil vapor) that gets the deck and wheel oily. I saw one expert said oil in the cyllinder can cause this. Even with a new mower?
One other said to let it run for 15 min to burn it off, safe?
Any suggestions are welcome.
Thanks Tim G
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Letting it run for 15 minutes won't hurt anything that isn't already broken, if anything is. My first thought is the oil ring on the piston is not sealing, if all the oil is coming from the exhaust. The heat from letting it run for 15 minutes could cause it to expand to proper position. You have nothing to lose if it is something else like a cracked head allowing oil to blow through the valves that problem exists anyways. It is also possible that some misguided person put 2 cycle gas in it and what you experienced is from the remnants of the gas in the carburetor bowl.
- de ABCellars
Also make sure you didn't over fill your oil!
- de Phillip Takahashi