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MX101432—UN—24APR20
4. Loosen two knobs (A) and remove the air cleaner cover (B).
MX101433—UN—24APR20
5. Remove the air cleaner and inspect it for damage.
IMPORTANT: Avoid damage! Dirt and debris can enter the engine
through a damaged lter element:
• Do not wash paper element.
• Do not attempt to clean paper element by tapping against
another object.
• Do not use pressurized air to clean element.
• Replace element only if it is dirty, damaged or the seal is
cracked.
6. Inspect the foam precleaner without removing it. If the foam
precleaner is dirty:
a. Remove it from the lter carefully.
b. Wash the foam precleaner in a solution of warm water and
liquid detergent.
NOTE: Do not put engine oil on a foam precleaner.
c. Rinse foam precleaner thoroughly. Squeeze out excess water
in a dry cloth until foam is dry.
d. Replace the foam precleaner if damaged or missing.
7. Inspect the paper lter element. Replace the lter element if
damaged or dirty.
8. Clean the base of air cleaner carefully. Prevent any dirt from falling
into carburetor or air intake tube.
9. Install foam precleaner with the mesh side up on paper lter
element. Position air lter in the air lter base. Ensure that the
cartridge is sealed properly.
10. Install air cleaner cover and tighten two knobs to secure cover in
place.
SB31882,00003EF-19-20AUG20
Checking Spark Plug
CAUTION: Avoid injury! Touching hot surfaces can burn
skin. The engine, components, and uids are hot if the
engine has been running. Allow the engine to cool before
servicing or working near the engine and components.
1. Park machine safely (See Parking Safely in the Safety section.)
GXT002413—UN—15JUL15
Standard Twin Cylinder Engine Shown
2. Disconnect spark plug wires (A). For twin cylinder engines, there is
a spark plug on each side of engine.
3. Remove each spark plug.
4. Clean spark plug carefully with a wire brush.
5. Inspect the spark plug for:
● Cracked porcelain.
● Pitted or damaged electrodes.
● Other wear or damage.
NOTE: In Canada, replace the spark plug with a resistor plug only.
6. Replace spark plugs as necessary.
MXAL47092—UN—16APR13
7. Check plug gap (C) with a wire feeler gauge. To change gap, move
the outer electrode. Gap must be set to specication.
Specication
Z515E Spark Plug—Gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76 mm (0.030 in)
Specication
Z530M, Z530R, Z545R Spark Plugs—Gap. . . . . . . . . . . . . . . . . . . . . . 0.75 mm (0.029 in)
8. Install spark plugs and tighten to specication.
Service Engine
38
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