3 - 1
CHK
ADJ
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
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
NO.
ITEM
ROUTINE
INITIAL
ODOMETER READINGS
1000 km
(600 mi)
or
1 month
7000 km
(4000 mi)
or
6 months
13000 km
(8000 mi)
or
12 months
19000 km
(12000 mi)
or
18 months
25000 km
(16000 mi)
or
24 months
31000 km
(20000 mi)
or
30 months
1
*
Fuel line
(See page 3-30.)
•
Check fuel hoses for cracks or damage.
•
Replace if necessary.
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√
√
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2
Spark plug
(See page 3-18.)
•
Check condition.
•
Adjust gap and clean.
•
Replace every 19000 km (12000 mi) or
18 months.
√
√
Replace.
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√
3
*
Valve clearance
(See page 3-11.)
•
Check and adjust valve clearance when
engine is cold.
Every 42000 km (26600 mi)
4
*
Crankcase
breather system
(See page 3-31.)
•
Check breather hose for cracks or damage.
•
Replace if necessary.
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√
√
√
√
5
*
Electronic fuel
injection
(See page 3-17.)
•
Check engine idle speed.
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√
√
√
√
√
6
*
Evaporative emis-
sion control sys-
tem
(See page 7-41.)
•
Check control system for damage.
•
Replace if necessary.
√
7
*
Air induction sys-
tem
(See page 7-38.)
•
Check the air cut-off valve, reed valve, and
hose for damage.
•
Replace any damaged parts.
√
INTRODUCTION/PERIODIC MAINTENANCE CHART
FOR THE EMISSION CONTROL SYSTEM
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