– Check the oil before you start a four-cycle mower that has been sitting for a long time. …
– Prime the engine by pushing the priming bulb three times. …
– Give the spark plug wire a little tug to see if it’s loose.
– Press the rubber primer bulb on the side of the mower engine three times. Hold the bulb in for about one second before releasing it each time you press it. …
– Pull and hold the safety bar near the top of the handle. …
– Grip the handle of the starter rope and pull with a rapid movement.
Thereof, How do you start a push mower that won’t start?
– Use fresh gas. Old gasoline can cause starting difficulties. …
– Check the spark plug. …
– Use the choke. …
– Prime the mower. …
– Check the air filter. …
– Check the cables. …
– Check for water in the fuel tank.
– Clear the starter cord of blockages.
Also to know is, Do all Toro lawn mowers have a primer bulb? A self-propelled mulching mower has a primer bulb, but the other Toro 22-inch models do not have that feature.
Subsequently, question is, Do you need a primer bulb? The only time you need a primer bulb with modern outboards is to initially prime the fuel system. Basically only when new engines are installed or if you run the boat completely out of gas. Since owning modern outboards I have used the bulbs a total of 2 times.
Also, How do you start a self propelled Toro lawn mower?
Look down the right handlebar and locate the handle for the starter pull cord. Grip the handlebar and starter pull cord firmly, then pull the starter cord back toward you. Release the cord slowly without allowing it to snap back forward. Pull the cord up to two more times to start the mower.
How do you start a lawn mower with primer?
– Remove the cap from the lawnmower fuel tank. …
– Locate the primer bulb on the side of the lawnmower engine. …
– Press and release the primer bulb three times with your finger to prime the lawnmower carburetor.
– Pull the throttle lever on the lawnmower handle to the “fast” position.
Why does my Toro lawn mower not start?
The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the lawn mower. … This sticky fuel can clog up the fuel filter and prevent the engine from starting. If old fuel was left in the lawn mower, drain the old fuel from the fuel tank and replace the fuel filter.
Does a fuel injected outboard need a primer bulb?
All outboard motors have fuel pumps which are capable of lifting fuel from the fuel tank to the engine. The purpose of the primer bulb is to prime the fuel lift pump with fuel. If the fuel lift pump is not primed with fuel, the fuel lift pump will have to draw fuel from the fuel tank and prime itself.
How do you adjust a self propelled Toro lawn mower?
– Now before you make any adjustment, turn off the mower.
– Loosen the traction adjustment knob by turning it counterclockwise.
– To increase traction, pull the cable down toward the engine.
– To decrease traction, pull the cable up toward the handle.
– Then tighten the traction knob by turning it clockwise.
How do you adjust a Toro lawn mower?
– Now before you make any adjustment, turn off the mower.
– Loosen the traction adjustment knob by turning it counterclockwise.
– To increase traction, pull the cable down toward the engine.
– To decrease traction, pull the cable up toward the handle.
– Then tighten the traction knob by turning it clockwise.
How do you start a Toro push mower?
– Press the rubber primer bulb on the side of the mower engine three times. Hold the bulb in for about one second before releasing it each time you press it. …
– Pull and hold the safety bar near the top of the handle. …
– Grip the handle of the starter rope and pull with a rapid movement.
Do all lawn mowers have a primer?
Most small engines use a primer bulb. A carburetor on a lawnmower is very small compared to the larger ones commonly found on older automobiles. Because of this, carburetors used on small engines usually have a rubber or plastic priming bulb that forces fresh gas into the carburetor bowl.
What is a fuel primer bulb?
The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. … Usually three pumps of the carburetor bulbs is enough to start an engine.
Is primer bulb supposed to stay hard?
Primer bulbs aren’t meant to stay “hard” , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard.
Should a primer bulb stay hard?
Re: Is the primer bulb supposed to get soft?? It should only be hard (to squeeze) when fully primed before start, and should never be collapsed when running-that would indicate an obstruction upstream( clogged vent or filter or pickup , kinked hose, valve off, etc. )Apr 29, 2007
Do all lawn mowers have a primer bulb?
Most small engines use a primer bulb. A carburetor on a lawnmower is very small compared to the larger ones commonly found on older automobiles. Because of this, carburetors used on small engines usually have a rubber or plastic priming bulb that forces fresh gas into the carburetor bowl.
What is the first thing to check if a lawn mower won’t start?
– Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten.
– Dirty Air Filter: Clean or replace.
– Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn’t work, you might need a new fuel filter.
Don’t forget to share this post 
References and Further Readings :