MK Diamond Products MK-2013HE GX390 Owner's Manual page 31

MK-20 SERIES MAINTENANCE
500 Hours and 1000 Hour Maintenance
Perform the following maintenance every 500 hours.
(A) (B) (C)
Replace Spark Plug. Refer to En- Have Authorized Repair Shop per- Have Authorized Repair Shop per-
gine Manual for details. form 500-hour maintenance. form 1000-hour maintenance.
Yearly and Two-Year Maintenance
Perform the following maintenance every year.
(A)
Inspect belts for proper tension
and wear.
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