Honda 1998 Odyssey Owner's Manual page 164

Maintenance Schedule for Normal Conditions (listed by distance/time)
Service at the indicated distance or time, whichever comes first. Do the items in A, B, C as required for each distance/time interval. Follow this
schedule if the severe driving conditions described in the Severe Conditions Schedule on the next page do not apply.
Canadian owners: Follow the schedule for Severe Conditions.
Page 199
#: See information on maintenance and emissions warranty, last
column, page 141.
1: See Timing Belt on page 195 to determine need for replacement.
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Maintenance