INTRODUCTION/PERIODIC MAINTENANCE CHART
FOR THE EMISSION CONTROL SYSTEM
EAS00036
PERIODIC CHECKS AND ADJUSTMENTS
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
longer 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.
PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL
SYSTEM
No.
ITEM
• Check fuel hoses for cracks or damage.
1 * Fuel line
• Replace if necessary.
• Check condition.
• Adjust gap and clean.
2 * Spark plugs
• Replace every 8000 mi (13000 km) or 12
months.
• Check and adjust valve clearance when
3 * Valve clearance
engine is cold.
• Adjust if necessary.
Crankcase
• Check breather hose for cracks or damage.
4 *
breather system
• Replace if necessary.
• Check and adjust engine idle speed and syn-
5 * Fuel injection
chronization.
• Check for leakage.
6 * Exhaust system
• Tighten if necessary.
• Replace gasket(s) if necessary.
Evaporative emis-
sion control sys-
• Check control system for damage.
7 *
• Replace if necessary.
tem (For California
only)
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
INITIAL
600 mi
ROUTINE
(1000 km)
1 month
– 18 –
CHK
ADJ
ODOMETER READINGS
4000 mi
8000 mi
12000 mi
(7000 km)
(13000 km)
(19000 km)
or
or
or
or
6 months
12 months
18 months
√
√
√
√
√
Replace.
Every 16000 mi (25000 km)
√
√
√
√
√
√
√
√
√
√
√
16000 mi
20000 mi
(25000 km)
(31000 km)
or
or
24 months
30 months
√
√
√
Replace.
√
√
√
√
√
√
√