Lawn Mowers, Carburetors & String Trimmers

What is the consequence of tilting a 4-stroke walk-behind lawn mower with the carburetor and air filter facing downward?

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 Correct IncorrectEngine oil drains past the breather tube into the air filter and carburetor, soaking the paper element and causing hydro-lock or thick white smoke upon restarting. Always tilt with spark plug pointing UP.

What is the consequence of tilting a 4-stroke walk-behind lawn mower with the carburetor and air filter facing downward?

• The blade will permanently warp
• Crankcase oil floods into the air filter and carburetor, soaking the filter and causing heavy smoke or hydro-lock
• The pull cord will detach from the recoil spring
• The gas tank expands from sunlight