When you ’re out mowing your lawn and of a sudden notice dope billowing out of your trusty mower , it can be quite alarming . Before you panic , allow ’s delve into the possible rationality why your lawn lawn mower may be emitting pot .

1. Excess Oil

One common reason for a smoke lawnmower is redundant oil . If you ’ve overfilled the oil artificial lake or accidentally spill petroleum on the engine , it can ensue in smoke as the oil cauterise off due to the high temperature engender by the engine .

2. Blown Head Gasket

A blown head gasket can also stimulate your lawn mower to smoke . The headway gasket is a crucial component part that seal the locomotive ’s combustion chamber . If it ’s damaged or worn out , it can head to oil leak into the combustion chamber , resulting in smoke .

3. Insufficient Air in the Gas Tank

If there is n’t enough air in the gas tank , the fuel - to - atmosphere proportion can become crazy , leading to incomplete combustion . This incomplete burning can create grass as a byproduct , bespeak that there may be an yield with the gas tank ventilation .

4. Dirty Air Filter

A clogged or muddied air filter can restrict airflow to the engine , induce it to run rich . When the locomotive engine runs racy , it results in incomplete combustion , which can manifest as fume fare from the exhaust . on a regular basis cleaning or exchange the air filter can help prevent this issue .

5. Worn Piston Rings

Another likely reason of smoke in a lawn mower is worn plunger rings . The piston rings are responsible for sealing the combustion bedchamber , and if they are worn or damage , oil can seep into the burning chamber , resulting in smoke .

6. Overheating

Excessive heat buildup in the railway locomotive can also cause your lawn lawn mower to fume . This can happen due to various cistron , such as pout in live weather condition , a malfunctioning chill system , or a want of right lubrication . Overheating can lead to rock oil or other railway locomotive component burning , producing smoke .

7. Incorrect Fuel Mixture

Using the incorrect fuel motley in your lawn lawn mower , such as using a fuel with a higher fermentation alcohol content than recommended , can lead in improper combustion and smoke . It ’s essential to follow the maker ’s guidelines for fuel type and potpourri ratio to avert this issue .

8. Clogged Exhaust System

A clogged exhaust system , either due to debris buildup or a damaged silencer , can restrict air flow and cause exhaust gases to back up into the engine , extend to smoke . Regularly audit and cleaning the exhaust system system can help preclude this event .

9. Poor-Quality Oil

Using low - caliber or incorrect crude in your lawn mower can result in increased engine friction , overheating , and in the end smoke . It ’s crucial to apply the appropriate course and quality of fossil oil recommended by the manufacturing business to ascertain proper lubrication and performance .

10. Improper Storage

If your lawn mower has been improperly stored for an lengthened period , such as with quondam fuel left in the tank or carburettor , it can precede to engine event like clog or varnish buildup . This can lead in smoking when you essay to start the mower after storage .

11. Age and Wear

As lawn mowers geezerhood , components like seals , gaskets , and engine component part can wear down , leading to potential making water and smoke . unconstipated sustenance , including tune - ups and part replacements , can help prolong the life of your mower and derogate smoking issuance .

12. Lack of Regular Maintenance

Finally , a deficiency of steady upkeep , such as neglecting oil change , zephyr filter substitution , and general engine care , can put up to smoking outcome in your lawn lawn mower . To keep your lawn mower running smoothly and smoke - barren , be sure to follow a routine maintenance schedule .

Caroline Bates

Why My Lawn Mower Smoking?