What makes a lawn mower pull hard to start?
Loose or missing blade. If a lawnmower blade is loose or missing, the rope will pull part way, then become very difficult. … If a lawnmower starter rope pulls part way, then jerks back hard, a sheared flywheel key is the most likely cause. This is most common on Briggs and Stratton and Tecumseh engines.
What does it mean when your lawn mower cord won’t pull?
What if the starter rope won’t pull? The crankshaft is connected to the blade shaft on your recoil start walk behind lawn mower, so if the pull cord is stuck, it could be because something is blocking the movement of the blade. Disconnect the spark plug for safety, then take a look under the deck.
Why does my mower only run when I push the primer?
The problem is that the carburetor is restricted or plugged and needs to be cleaned and rebuilt with a COMPLETE carburetor repair kit. Here is my comprehensive carburetor and fuel answer that may give you some ideas. And they call it “Oxygenated fuels! …
Why does my lawn mower only run for a few seconds then dies?
It could be from a dirty carburetor, a malfunctioning spark plug, insufficient flow of gas to the engine or a clogged air filter. But if your lawn mower starts then dies, the causes could also be the same. The most common cause of why a lawn mower starts then dies can be due to a carburetor problem.
Can you start a mower without the pull cord?
No, you can’t just use anything you find lying around.. it’s a specific type of cord, designed for a specific job. Put one end of the rope through the pull start handle and tie a knot big enough so that the rope can’t come through the hole in the handle.
How do you start a pull cord on a lawn mower?
Pull the starter cord.
If your lawnmower has a horizontal lever near the handle, hold it against the handle. Next, grip the handle of the starter (attached at the end of a rope or cord), and pull upward quickly and firmly. You may have to do this several times before the motor starts up.
What happens when you turn a lawn mower on its side?
Possible cause 1: In some models, when you tip the mower, fuel can leak into the carbon in the cap, which restricts the venting of the fuel system. This can cause the engine not to start, or only run for a few minutes, then quit.
How do you fix a pull start?
A small tab on the pulley can cut your hand if you accidentally let go of the recoil starter when it is tensioned.
- Remove the recoil housing cap. Unscrew the cap that holds the pulley to the recoil starter housing. …
- Untie the rope. …
- Re-tension the spring. …
- Attach the cap. …
- Reinstall the rope. …
- Coil the cord.
How does a pull start recoil work?
In the center of the pulley, a recoil spring connects to the pulley through a hook. When the starter rope gets pulled off the pulley and out of the engine, the recoil spring stretches out. … This allows the operator to continuously pull the rope to get the engine moving faster and faster toward combustion.
Can’t pull the cord on my pressure washer?
If the starter rope won’t budge when you try to pull it, the engine may be locked up or the recoil starter may have failed. … Remove the spark plug and then pull the starter rope to see if the engine spins. If it does, pull the starter rope a few more times to clear oil out of the cylinder through the spark plug hole.
What causes a push mower not to start?
Your Mower Won’t Start:
Other possible causes include: 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.