15 Reasons Why Your Petrol Lawn Mower Keeps Cutting Out
A lawn mower that keeps cutting out is vastly frustrating , but it does n’t signify the whole machine is specify for scrap .
There are loads of potential explanations for why your lawn mower hold on cutting out , and most of these egress are relatively easy to sort out
Take a look at these 15 reasons why yourpetrol lawnmowerkeeps cutting out(and how to fix them ) .
1. The Blades are Dirty
A situation shared by Oakley Turf Farm ( @oakleyturffarm )
One of the primary reason why a petrol lawn mower keeps cutting out : blades that are clogged with grass . chance are the grass was a routine damp last time you cut it . Lawn mower blades should ideally be hosed down at the last of each mowing session .
If your blade are front dirty , grow off your lawn mower andspray the leaf blade with a strong flow of water . Ensure you hit all the grass and debris ( being mindful of the blades ) .
If the grass is decent baked on ( for illustration , left on the blade from the late time of year ) , practice a voiceless steel brush to bump off it .
translate NEXT : How to Clean a Petrol Lawn Mower
2. The Blades are Blunt
A post share by The Talons Edge ( @thetalonsedge )
If your lawn mower sword are wear down , they may be invest too much strain on the engine which can cause it to cut out .
As you’re able to imagine , blunt blade are far less effective than knifelike blades for cutting grass as well . In fact , they can really damage your lawn because the blades of grass get rip or else of swing .
Sharpening lawn lawn mower blades can be done at home . If you ’re not sure the good manner to do this , take a aspect at our illuminating guide tosharpening lawn mower blades .
3. The Grass is Too Wet
A post portion out by Marvans ( @marvansgroup )
Some gas lawn mower will cut out when they are used on wet grass . This is due to a lack of power , aswet grass is much heavy than dry . slopped grass can also cohere to the blades , which put a lot of pressure on the railway locomotive .
If your lawn mower only seems to ignore out when the sens is sozzled , it may be that you are postulate too much of it . Try mowing the lawn again when it ’s wry and see if your lawn mower will head for the hills without any problems .
READ NEXT : The Best Lawn Mowers for Wet & Long Grass
4. The Spark Plug is Faulty
A post deal by Briggs & Stratton ( @briggsandstratton )
An upshot with the light plug is one of the most unwashed intellect for a petrol lawnmower cutting out . Even if the spark plug looks to be in good condition , it may need supersede . Your Muriel Sarah Spark plug should be replaced after every 25 hour of use .
If you think the problem is with your spark fire hydrant , give in a clean . If this does n’t help oneself , it may require exchange . young Dame Muriel Spark stopper can be buy online and are very inexpensive .
5. The Fuel is Stale
A post shared by Nitty Gritty ( @nittygrittyantiques )
If it ’s your first cut of the time of year , or you have n’t had to cut down your grass for a while , it may be that the fuel in the tank has get moth-eaten .
Petrol can go spoiled in as little as two - to - four hebdomad , though usually it takes about three months . If the fuel tank was n’t drained before storehouse , you may find out the lawn mower fight to part , or run for a few minute then cuts out .
You ’ll need to drain the cold fuel from both the carburettor and fuel tankful . loosen the carburetor ’s drain bolt of lightning to release any trap fuel ( localize a bowl underneath to catch any liquids ) . Drain the fuel tank as well . The mower should now form with the addition of unused petrol .
If it does n’t , the dusty petrol may have damage the carburettor .
ANSWERED : Can You Use e10 Petrol in Lawn Mowers ?
6. The Carburettor is Clogged
A mail service shared by Ron Aclan ( @bikesbeerandgrub )
If your lawn mower commence but then apace cuts out , it ’s deserving checking the carburettor . If this is clogged , your lawn lawn mower ’s railway locomotive wo n’t be able to run for long after it has been started .
Carburettor cleaner can be purchased online and used to dispatch dirt from your carburetor . Ensure the mower is off and empty of fuel . Unscrew the carburettor and take it apart to clean it . turn in a well ventilated sphere in case any residuary fuel run out out .
You should purpose to clean your carburettor once a year .
7. The Carburettor Needs Replacing
If you ’ve tried cleaning the carburetor but the mower still wo n’t start easily , or is sputtering and cut out , it may be prison term for a new carburettor .
likewise if you ’re struggling to clean house the carburetor , it ’s best to install a new one .
8. You’ve Overfilled the Oil
A post share by Fortnightly Garden Maintenance ( @fgm_f20 )
If you were overenthusiastic when pouring oil into your lawn mower , the engine may geld out shortly after it bulge running . Another sign is white gage come from the engine .
If you ’re using a four - slash machine : apply the dipstick to check the fossil oil degree , and drain away any surplus .
If you ’re using a two - stroke political machine : learn the oil - to - fuel ratio mix . You may demand to empty out the fuel and oil and pop out again .
ANSWERED : What Oil to apply in a Petrol Lawn Mower
9. It Needs More Oil
If there is n’t enough oil in your gasolene lawn mower , it may cut out . see the petroleum level using the dipstick and add more if want .
If you rule any issues with the quality of the oil , such as there ’s H2O inside it , drain the rock oil completely and fill with fresh oil . You should aim to change the crude oil completely around every 50 hours or use , or once every season .
10. The Kill Switch has Malfunctioned
Larger lawn lawn mower will likely have an engine kill switch . If this malfunctions , the lawn mower may shut off after run for a few mo .
The kill switch is commonly settle on the handlebar or under the arse , and will need replacing if it malfunctions .
The near way to substantiate a kill switch malfunction is to take the lawn mower to be serviced and ask them to check the killing substitution .
11. The Air Filter Needs Cleaning
A office shared by Freeman Auto & Outdoor ( @freemanautoandoutdoor )
If your lawn mower is cut out in longsighted grass , the zephyr filter might need unclogging . Long grass and debris can block the air flow to the engine , which will stimulate it to skip out .
Inspect the air filter and bump any large firearm of dirt . leech air filters can be cleaned with dishwasher liquid ecstasy and lovesome water . dry out it by squeezing it between a paper towel and go away it to air dry .
12. The Air Filter Needs Replacing
The breeze filter of a gas lawn mower should ideally be supercede once a class .
line filters can be purchase online and are inexpensive . If you ’ve cleaned the air filter and your lawn mower is still cut out , it may be that it necessitate replacing .
13. The Motor Has Overheated
If your railway locomotive has overheated , the lawn lawn mower will cut out . There are a few things that can cause overheating , admit : low locomotive engine oil , clogged cut deck and cutting too thick smoke .
Mowing your lawn in very raging weather condition can also increase the risk of it overheat .
If the mower feels hot , check the said point . If it ’s a hot day , consider leaving the mowing until it ’s cool .
14. It has a Defective Petrol Cap
A post partake in by Natasha ( @natashacornblatt )
A bad petrol crownwork is a common reasonableness for lawn lawn mower to start and then bar . Petrol chapiter have a small vent-hole that reserve melody into the cooler .
If this air vent becomes blocked , the engine may turn out out . stress loosening the cap then starting the mower again . If the locomotive give up reduce out after relax the jacket , this is a sign that the cap need replace .
15. You are Overloading Your Mower
A post share by Lawn Care Business Success ( @lawncarebusinesssuccess )
Cutting pasture that is too wooden-headed or tenacious for your mower will cause the railway locomotive to struggle , overheat and cut out . Ensure you have the right lawn mower for the stipulation of your lawn .
If you are mowing foresightful pot on a low-pitched clipping elevation , your mower may not be able to plow it . Try raising the cutting superlative and see if that helps .
scan NEXT : How to Get Rid of Your Old Lawnmower
FAQs
Why does my lawn mower keep cutting out?
The most common reasons for a lawn mower cutting out are :
How do I know if there’s a problem with my lawn mower’s spark plug?
There are a few tell - narration signs that your Muriel Spark plug is flush it :
How often does a lawn mower’s spark plug need changing?
For most stock lawn mower , the spark nag should be insure or replaced once every season and supervene upon every 25 hour of use . This is the rule of thumb even if you have n’t notice any problems with your mower .
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