Skip to Content

Mower Engine Blow | All Reasons Why Full Guide of 2023

This site is supported by our readers. We may earn a commission, at no cost to you, if you purchase through links.

Typically, “Mower Engine Blow” is an umbrella term that might have different definitions. While lots of people make use of the term for not functioning engines, others use it when they do not understand exactly how to take care of low compression on a lawnmower.

Regardless of just how you utilize the expression, lawn mower engine strike is all concerning a “disastrous failing” of the maker.

Whether huge or tiny single-cylinder engine, there can be a lot of points that go incorrect with the engine of your lawnmower.

engine blowing blue smoke

Sometimes it has to do with the basic “revolving assembly” that has obvious compression. Many individuals consider it a devastating failure, which isn’t real. Current models of lawnmowers come with a blade brake that quitting blade rotation when its driver releases control. All you need is to disengage the brakes to rotate or relocate the crankshaft.

However, if you frequently experience “mower engine blow”, do not worry as we have you covered right here with whatever you require to know.

Mower Engine Blow– What are the Signs

Mower engine blow smoke

Usually, when a lawnmower starts to blow gray or white smoke, it is a typical indication that something is incorrect with the engine. Though lots of troubles might create this issue, you need to search for various other indications that might include;

Bluish exhaust smoke- dark or light blue smoke begins to ripple from the tailpipe. It is the major indicator that you have had an engine strike up.

  • White exhaust
  • Coolant in the equipment’s engine oil
  • Knocking or rattling in the engine
  • Blown piston
  • Engine doesn’t start
  • Hole in the engine block
  • Blown rod

Signs of a Blown Mower Head Gasket

  • Low Power in a lawnmower as a result of deterioration, or lack of oil upkeep, a blown head gasket, or damaged seals
  • Failed Compression assessment
  • Oil Leak
  • Diminished Compression

What does Cause Mower Engine blow?

Take e check out these factors that might create the engine of your lawnmower to explode.

Dust airborne Filter

Mower engine blow dirt in air filter

Mostly, the air filter of your lawnmower captures dirt that (when not cleansed or eliminated) conveniently locates its method into the engine via a carburetor. The dirt doesn’t only gather in the filter however also maintains oxygen as well as gas from reaching the mower’s engine. Keep in mind that without sufficient oxygen for combustion, the mower’s e engine coughing, rattles, as well as sputters.

However, the trouble may worsen the condition if you neglect cleansing or changing the air filter of your lawnmower. You might require to cleanse the air filter at least when a year, depending on the design you have.

Also take the referrals of the lawn mower’s manufacture relating to cleaning it in the dusty condition. It matters a whole lot if you utilize your lawnmower to mulch birch or dry leaves.

Lack of Oil Change

lack of oil change

Did you know that the girt or dirt in the filthy engine oil of lawn mower grinds on all relocating parts?

It substantially shortens the lifespan of your engine. When your lawnmower does not obtain enough engine oil, it may wear out totally. The manufacturers suggest an oil change every three months of lawn mower usage to prevent its wear down.

Sparked Plug

An improperly or old mapped ignition system can make the lawnmower’s engine run harsh. A rusty or damp plug doesn’t start the engine. Replacing the trigger plug each year is crucial for keeping the lawnmower’s engine up and running.

Accumulation of Grass Clippings

lawn mower

Dirt and turf trimmings accumulating on the mower is the significant reason for obstructed air intake displays and is cooling down fins. It makes the engine overheat. And also, completely dry turf clippings as well as damp debris trigger corrosion and also deterioration in the engine.

That is to say, you have to not fail to remember to get rid of the grass the cuttings after trimming the grass to stop corrosion and also blockage in the fins.

Using Old Fuel

Gasoline in the lawn mower’s engine over the winter months collects moisture unless you treat it with a gas stabilizer. The gasoline that contains ethanol can cause more damage

if it beings in the engine for months the water in it stops the lawnmower engine from functioning and also can explode.

Disregard Vibrations

An imbalanced blade that you sharpen erratically can make a lawnmower shake. A bent blade can do the very same if you leave it blunt. A loose blade, on the other hand, could off the lawn mower and struck a person. It takes place when you neglect the resonances in the mower’s engine.

The vibration audio from the engine is the signal that the blade is in negative problem as well as might explode. Ultimately, the drinking can damage the crankshaft of the lawnmower.

Summing Up

Remember, if you see your lawnmower blowing white smoke when you start it, switch it off immediately. Try to determine the issue. Nonetheless, white smoke does not constantly suggest that your lawnmower will certainly blow or is broken. You need to look for an expert’s suggestions or get it checked.

Avatar for Mutasim Sweileh

Mutasim Sweileh

Mutasim is a published author and software engineer and agriculture expert from the US. To date, he has helped thousands of people make their yards lush and thick.