technical data YAMAHA WR 450F 2014 Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
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EAU52500
TIP
The annual checks must be performed every year, except if a kilometer-based maintenance, or for the UK, a
mileage-based maintenance, is performed instead.
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From 7000 km (4200 mi) or 9 months, repeat the maintenance intervals starting from 3000 km (1800 mi) or 3 months.
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Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technicalskills.
EAU52510
Periodic maintenance chart for the emission control system NO. ITEM CHECKS AND MAINTENANCE JOBS INITIAL
ODOMETER
READINGS ANNUAL
CHECK
1000 km
(600 mi) or 1 month 3000 km
(1800 mi) or 3 months 5000 km
(3000 mi) or 6 months
1* Fuel line Check fuel hoses for cracks or damage. 
2* Spark plug Check condition.
Clean and regap.
Replace if necessary. 
3* Valves Check valve clearance.
Adjust. 
4* Breather system Check ventilation hose for cracks or damage and drain any
deposits. 
5* Fuel injection Adjust engine idling speed. 
6 Muffler and
exhaust pipe Check the screw clamp(s) for looseness.

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