Yamaha R25 Series Owner's Manual page 49

Periodic maintenance and adjustment
NO. ITEM
Air induction sys-
7 *
tem
7
CHECK OR MAINTENANCE JOB
Check the air cut-off valve, reed
valve, and hose for damage.
Replace the entire air induction
system if necessary.
ODOMETER READING (whichever comes first)
1000 km 5000 km 10000 km
or or or
1 month 5 months 10 months
√ √
7-4
ANNUAL
15000 km 20000 km
CHECK
or or
15 months 20 months
√ √ √