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SKU 94187 For technical questions, please call 1-800-444-3353
MAINTENANCE
Before performing maintenance procedures, it may be helpful to locate the items to be
serviced in the photos on page 5. Many Engine maintenance, adjustments, and repairs must
be completed by a qualified, small engine mechanic.
Scheduled Maintenance
Frequency
Item
Each
Use
First month
or 20 hours
Each 50
hours
Every 6 months
or 100 hrs.
Each year or
300 hrs.
Engine oil Check Replace Replace
Air Filter Check Clean Clean Replace
Spark Plug Clean & Adjust Replace
Spark Eliminator Clean
Idling Check & Adjust*
Valve Clearance Check & Adjust**
Fuel Tank & Filter Clean
Fuel Line Check
Deposit Cup Clean
* Proper Idle: 1700 ± 150 RPM ** Valve Clearance
(cold engine)
Intake:
Exhaust:
0.15 ± 0.02mm
0.20 ± 0.02mm
Cleaning Air Filter
Using compressed air, blow the dust from both elements and
the Filter Base on the Engine. If the Filter Elements cannot be cleaned,
wash the foam element with mild soap and water, and dry. Purchase
a new paper Filter Element if necessary. Reinstall Filter Elements, Air
Filter Housing, and Nut.
Cleaning and Replacing Spark Plug
Remove the Spark Plug with a socket wrench (not supplied).
Wait for the Engine to cool to avoid burning hands.
.027” to .031”
Clean Spark Plug with a steel brush. If the insulator is damaged, replace Spark Plug.
Caution: Using other than the recommended Spark Plug replacement type can damage the
Engine (see Specifications on page 2).
Measure the Spark Plug electrode gap with a feeler gauge (not supplied). It should be
between 0.7 to 0.8 mm. If adjustment is necessary, bend the side electrode carefully,
then re-measure. If Spark Plug Gasket is damaged, replace it.
1.
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