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With the spark plug disconnected or the keys in your pocket inspect the blade or blades to see if they are damaged in any way if so replace them. There are a couple other items that may cause shacking like a bent crank shaft caused by hitting a hard object with the lawn mower blade. If the crank shaft is bent you will need to replace the engine.
What else can I help you with?
What causes a push lawn mower to shake?
Most likely the blade is bent.
What is a gas lawn mower?
A gas lawn mower is a lawn mower which is powered by gasoline.
What causes vibration in your self propelled lawn mower?
blade might be out of balance
What causes a lawn mower to throw gas out of exhaust?
bad piston rings
Electric Lawn Mower?
form_title= Electric Lawn Mower form_header= Save time with an electric lawn mower. What is the square footage of your lawn?*= _ [50] What is your budget on a lawn mower?*= _ [50] Do you want any special feature with the lawn mower?*= () Yes () No If so, what?*= _ [50]
Honda Lawn Mower?
form_title= Honda Lawn Mower form_header= Mow your lawn easily with a Honda lawn mower. What is the square footage of your lawn?*= _ [50] Do you need to repair an existing lawn mower?*= () Yes () No Do you want a push or riding mower?*= () Push () Riding
Do you need to mix fuel for lawn mower to start?
No for your lawn mower you will just need regular lawn mower oil.
Why do you need lawn mower?
To Mow your Lawn , Obviously that's why its called a lawn mower In other words if you don't have grass then there is no need for a lawn mower!
Best Lawn Mower?
form_title= Best Lawn Mower form_header= Keep your lawn beautiful with the best lawn mower! How often do you mow your lawn?*= {Once a day, Once a week, Once a Month, Other} Do you prefer a riding or push lawn mower?*= () Push () Riding What is your budget for a lawn mower?*= _ [50]
Why does your lawn mower shake while running?
Something is out of balance. The most common cause is blades that have been sharpened incorrectly.
John Deere Lawn Mower?
form_title= John Deere Lawn Mower form_header= Mow your lawn with pride when you have a John Deere. What is the square footage of your lawn?*= _ [50] Do you need to repair an existing lawn mower? What is your budget for a lawn mower?*= _ [50]
Why a lawn mower turns when pushed at an angle from a sidewalk onto the grass?
When one of the lawn mower's wheels enters the grass it causes the lawn mower to slow down due to friction. If you keep pushing on the lawn mower, the wheel on the grass will act like a moving pivot, and the lawn mower will turn to a different angle.
