DAELIM Daystar 250 Owner's Manual - page 51
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If you do not have the appropriate tools or information to conduct maintenance, or if you feel you are not capable to perform
maintenance on this vehicle, contact authorized dealers or repair shops for maintenance and repairs.
To ensure safety, inspections and maintenance of these parts must be carried out by dealers, or repair centers.
NOTES : (1) At higher odometer readings, (over 16,000km) repeat at the frequency interval established here.
(2) Service more frequently when riding in unusually wet or dusty areas.
(3) Replace every 2 years, or at indicated odometer interval, whichever comes first. Replacement requires mechanical skill.