Periodic Maintenance Chart For The Emission Control System - Yamaha YW50A Owner's Manual

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From 12000 mi (19000 km) or 36 months, repeat the maintenance intervals starting from 4000 mi (7000 km) or 12
months.
Items marked with an asterisk require special tools, data and technical skills, have a Yamaha dealer perform the
service.

Periodic maintenance chart for the emission control system

NO.
ITEM
1 *
Fuel line
2 *
Idle speed
3 *
Exhaust system
Air induction sys-
4 *
tem
PERIODIC MAINTENANCE AND ADJUSTMENT
ROUTINE
• Check fuel and vacuum hoses for
cracks or damage.
• Replace if necessary.
• Check and adjust engine idle
speed.
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
• Check the air cut-off valve, reed
valve, and hose for damage.
• Replace any damaged parts.
INITIAL
600 mi
2000 mi
4000 mi
(1000 km)
(4000 km)
(7000 km)
or
or
or
1 month
6 months
12 months
6-3
ODOMETER READING
6000 mi
8000 mi
(10000 km)
(13000 km)
or
or
18 months
24 months
EAU1722A
EAU48450
1
2
EAU17561
3
10000 mi
4
(16000 km)
or
30 months
5
6
7
8
9

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