PERIODIC MAINTENANCE
3-1
EAS20450
PERIODIC MAINTENANCE
EAS20460
INTRODUCTION
This chapter includes all information necessary to perform recommended checks and adjustments. If
followed, these preventive maintenance procedures will ensure more reliable vehicle operation, a long-
er service life and reduce the need for costly overhaul work. This information applies to vehicles already
in service as well as to new vehicles that are being prepared for sale. All service technicians should be
familiar with this entire chapter.
NOTE:
If you do not have the tools or experience required for a particular job, have a Yamaha dealer perform
it for you.
WARNING
EWA10340
Modifications not approved by Yamaha may cause loss of performance, excessive emissions,
and render the vehicle unsafe for use. Consult a Yamaha dealer before attempting any changes.
EAS17580
Periodic maintenance chart for the emission control system
No
.
ITEM
ROUTINE
INITIAL
ODOMETER READINGS
600 mi
(1000 km)
or
1 month
4000 mi
(6000 km)
or
6 months
7000 mi
(11000
km)
or
12 months
10000 mi
(16000
km)
or
18 months
13000 mi
(21000
km)
or
24 months
16000 mi
(26000
km)
or
30 months
1 *
Fuel hose
●
Check fuel hoses for
cracks or damage.
●
Replace if necessary.
√
√
√
√
√
2
Spark plug
●
Check condition.
●
Adjust gap and clean.
●
Replace at 7000 mi (11000
km) or 12 months and
thereafter every 6000 mi
(10000 km) or 12 months.
√
Replace.
√
Replace.
√
3
Spark arrester
●
Clean.
√
√
√
√
√
4 *
Valve clearance
●
Check and adjust valve
clearance when engine is
cold.
√
√
√
√
√
√
5 *
Crankcase
breather system
●
Check breather hose for
cracks or damage.
●
Replace if necessary.
√
√
√
√
√
6 *
Idle speed
●
Check and adjust engine
idle speed.
√
√
√
√
√
7 *
Exhaust system
●
Check for leakage.
●
Tighten if necessary.
●
Replace gasket(s) if nec-
essary.
√
√
√
√
√
8 *
Evaporative emis-
sion control sys-
tem (For
California only)
●
Check control system for
damage.
●
Replace if necessary.
√
√
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Summary of Contents for XT250X 2008
Page 2: ...All manuals and user guides at all guides com...
Page 8: ...All manuals and user guides at all guides com...
Page 54: ...CABLE ROUTING 2 35 All manuals and user guides at all guides com...
Page 82: ...ELECTRICAL SYSTEM 3 27 a b All manuals and user guides at all guides com...
Page 170: ...VALVES AND VALVE SPRINGS 5 24 All manuals and user guides at all guides com...
Page 224: ...AIR INDUCTION SYSTEM 6 13 All manuals and user guides at all guides com...
Page 239: ...CHARGING SYSTEM 7 14 All manuals and user guides at all guides com...
Page 243: ...LIGHTING SYSTEM 7 18 All manuals and user guides at all guides com...
Page 249: ...SIGNALING SYSTEM 7 24 All manuals and user guides at all guides com...
Page 253: ...CARBURETOR HEATING SYSTEM 7 28 All manuals and user guides at all guides com...
Page 279: ...All manuals and user guides at all guides com...
