Honda HRA216 Owner's Manual page 29

Majntenance Schedule
ITEM Perform at every indicated operating
NOTE: Ill
Service more frequently when used in dusty areas,
(21 These items should be serviced by an authorized lawn mower, unless the owner has the proper tools and is mechanically
proficient.
See the Honda Shop Manual.
(3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
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