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MTD Rear engine riding mowers

Official MTD rear-engine riding mower parts

Find the parts and accessories you need for your MTD rear-engine riding mower at Sears PartsDirect. Whether your MTD rear-engine riding mower's engine runs rough or its blades won't spin, we have the replacement parts that can fix the problem quickly.

Replacing the spark plug in your MTD rear-engine riding mower

  • Park the tractor on a level surface in a well-ventilated area and set the parking brake.
  • Turn the ignition switch off and remove the key. Let the engine cool.
  • Wear work gloves to protect your hands.
  • Disconnect the spark plug wire.
  • Use a spark plug wrench to remove the spark plug from the engine.
  • Using a gap tool, set the gap on the spark plug to the gap specified in the owner’s manual. For this engine, the gap is .03 inches. Thread the new spark plug into the engine and tighten it with the spark plug wrench. Tighten the spark plug firmly, but don't overtighten, so you can remove the spark plug easily the next time you replace it.
  • Reconnect the spark plug wire.

Common replacement parts for MTD rear-engine riding mowers

  • Brake interlock switch. The brake interlock switch detects whether you have the brake pedal fully pushed down. The parking brake holds the brake pedal in the fully depressed position so the brake interlock switch also recognizes whether you have the parking brake set. The brake interlock switch won't allow you to start the tractor without the parking brake set or the brake pedal fully depressed.
  • Blade clutch cable. The blade clutch cable connects the blade clutch lever to the blade belt idler arm on the mower deck. When you shift the clutch lever to engage the cutting blades, the cable pulls the idler arm, which then tightens the blade belt and spins the cutting blades. The blade clutch cable releases blade belt tension so the blades don't spin when you shift the blade clutch lever to disengage the cutting blades.
  • Carburetor rebuild kit. The carburetor rebuild kit includes gaskets, seals, a hinge pin and other components to refurbish the carburetor.
  • Fuel filter. A fuel filter is a filter in the fuel line that screens out dirt and rust particles from the fuel. The fuel filter paper is usually integrated into a cartridge. Fuel filters used with in most internal combustion engines.

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