Yamaha XT250, Owner'S Manual

Page: 41 / 100

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
2
3
4
5
6
7
8
9
EAU17580
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 line
●
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 thereaf-
ter every 6000 mi (10000 km)
or 12 months.
√
Replace.
√
Replace.
√
3 Spark arrester
●
Clean.
√ √ √ √ √
4 * Valve clearance
●
Check and adjust valve clear-
ance 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 neces-
sary.
√ √ √ √ √
8 *
Evaporative emis-
sion control system
(For California only)
●
Check control system for dam-
age.
●
Replace if necessary.
√ √