YARDMAX 154FS-1 Operator's Manual

ENGINE OIL RECOMMENDATIONS
SPARK PLUG
Using the proper type and weight of oil in the engine is extremely
important, as is daily checking of oil level oil, or using dirty oil, will
cause premature engine wear and failure.
Oil Type - When the ambient temperature is under -25°C, SAE
0W-30/40 is recommended for general use; when the ambient
temperature is above -25°C but under 4.4°C, SAE 5W-30 or 0W-
30/40 is recommended for general use. The SA oil viscosity and
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recommend that you use API SERVICE Category SF or higher class oil.
1. Disconnect the spark plug cap, and remove any dirt from
around the spark plug area.
2. Remove the spark plug with a spark plug wrench.
3. Inspect the spark plug. Replace it if the electrodes are worn, or
if the insulator is cracked or chipped.
4. Measure the spark plug electrode gap with a suitable gauge.
The gap should be 0.028 - 0.031 in (0.70 - 0.80 mm). Correct
the gap, if necessary.
5. Install the spark plug carefully, by hand, to avoid cross-
threading.
6. After the spark plug seats, tighten with a spark plug wrench to
compress the water.
If reinstalling the used spark plug, tighten 1/8 - 1/4 turn after
the spark plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark
plug seats.
7. Assemble spark plug.
Recommended spark plugs: E7RTC or other equivalents.
Notice:
An incorrect spark plug can cause engine damage.
Notice:
A loose spark plug can overheat and damage the
engine. Over tightening the spark plug can damage
the threads in the cylinder head.
Figure 12
Figure 11
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Engine oil capacities: 0.35 L
Running the engine with a low oil level can cause engine
damage.
The Oil Alert system (applicable engine types) will automatically
stop the engine before the oil level falls below the safe limit.
However, to avoid the inconvenience of an unexpected
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regularly.
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Oil Dipstick
Oil Upper Limit
Drain Bolt and
Sealing Washer
Spark Plug Wrench
0.028 ~ 0.031 in
(0.70 ~ 0.80 mm)
SAE Viscosity Grades
AMBIENT TEMPERATURE
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Gasoline Engine
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Operator’s Manual

YARDMAX 154FS-1 Specifications

General

Brand	YARDMAX
Model	154FS-1
Category	Engine
Language	English