Yamaha YW50FB Owner's Manual page 80

CONSUMER INFORMATION
Maintenance
interval
16000 mi
(25000 km) or
48 months
1
18000 mi
(28000 km) or
54 months
2
20000 mi
(31000 km) or
60 months
3
4
5
6
7
8
9
Date of
Mileage
service
Servicing dealer
name and address
9-6
EAU26343
Remarks