2002 Yamaha Motorsports Virago 250 Owners Manual - Page 42

2002 Yamaha Motorsports Virago 250 Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR EAU00471 Periodic maintenance chart for the emission control system No. ITEM ROUTINE INITIAL 600 mi (1,000km) or 1 month 4,000 mi (6,000km) or 6 months ODOMETER READINGS 7,000 mi 10,000 mi (11,000km) (16,000km) or or 12 months 18 months 13,000 mi (21,000km) or 24 months 1 * Valve clearance 2 Spark plugs • Check and adjust valve clearance when engine is cold. • Check condition. • Adjust gap and clean. • Replace every 7,000 mi (11,000 km) or 12 months . • Check ventilation hose for cracks or damage. • Replace if necessary. • Check fuel hose and vacuum hose for cracks or damage. • Replace if necessary. • Check for leakage. • Retighten if necessary. • Replace gasket(s) if necessary. • Check and adjust engine idle speed. • Adjust cable free play. • Check control system for damage. • Replace if necessary. √ √ Replace. √ √ √ √ Replace. Crankcase ventilation 3 * system 4 * Fuel line 5 * Exhaust system 6 * Idle speed Evaporative emission 7 * control system (for California only) √ √ √ 6 * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. 6-3

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PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
EAU00471
Periodic maintenance chart for the emission control system
*
Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
No.
ITEM
ROUTINE
INITIAL
ODOMETER READINGS
600 mi
(1,000km)
or
1 month
4,000 mi
(6,000km)
or
6 months
7,000 mi
(11,000km)
or
12 months
10,000 mi
(16,000km)
or
18 months
13,000 mi
(21,000km)
or
24 months
1
*
Valve clearance
•
Check and adjust valve clearance when engine is cold.
√
√
√
√
√
2
Spark plugs
•
Check condition.
•
Adjust gap and clean.
•
Replace every 7,000 mi (11,000 km) or 12 months .
√
Replace.
√
Replace.
3
*
Crankcase ventilation
system
•
Check ventilation hose for cracks or damage.
•
Replace if necessary.
√
√
4
*
Fuel line
•
Check fuel hose and vacuum hose for cracks or damage.
•
Replace if necessary.
√
√
√
√
5
*
Exhaust system
•
Check for leakage.
•
Retighten if necessary.
•
Replace gasket(s) if necessary.
√
√
√
√
6
*
Idle speed
•
Check and adjust engine idle speed.
•
Adjust cable free play.
√
√
√
√
7
*
Evaporative emission
control system (for
California only)
•
Check control system for damage.
•
Replace if necessary.
√
√