Internal problems that cause oil to leak through a lawnmower s air filter typically require repair by a small engine specialist.
Riding lawn mower leaking oil and smoking.
Turning tilting the engine on its side for storage oil change or any other reason.
Check the fuel pump for leaks and replace the pump if it s damaged.
If your lawn mower is a tractor mower white smoke usually means too much oil carburettor fault or blown head gasket.
If you notice gasoline stains on the pavement or garage floor investigate the source of the leaking fuel.
If oil leaks out of the tank or pump before it reaches the engine the engine is at risk of severe damage.
A leaking head gasket or sump gasket can also cause oil leaks.
Whether the smoke is blue white or black here s how to identity and address the issue without the help of a professional.
Sometimes oil will also leak from the muffler.
Other reasons for blue or white smoke from engines include.
Worn cylinder and or rings.
Stop the lawn mower immediately if you suspect an oil leak troubleshoot the problem and fix the leak.
Replace any damaged engine gaskets.
Leaking oil from the exhaust is the usual cause of blue white or black smoke from a lawn mower.
A blown head gasket is one such issue and it requires tear down.
Black smoke lawn mower smoking and leaking oil from exhaust black smoke from the exhaust pipe is not an alarming indication if it disappears when the engine comes to its temperature.
But if it is continuously exhausting from the engine then you need to show a concerning attitude towards it.
Learn to assess and fix a sputtering smoking lawn mower.
The engine on a lawn mower requires a constant stream of oil into the crankcase and piston.
A smoking lawn mower is never a good sign.
If the engine has to be tilted ensure the spark plug is facing upwards to help prevent oil from escaping the crankcase.
I suspected that gas mixed in with the oil due to fuel flooding the carb and into the crankc.
My murray riding mower wouldn t stay running with tons of smoke.