Honda Outboard Motors BF25A Owner's Manual page 75

11. MAINTENANCE
(Replace if necessary)
0 Emission-related items
(1) Lubricate more frequently when used in salt water.
(2) These items should be serviced by an authorized Honda Marine dealer, 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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