Chk Adj; Periodic Checks And Adjustments; Introduction; Periodic Maintenance Chart For The Emission Control System - Yamaha YFM7FGPW Service Manual

INTRODUCTION/PERIODIC MAINTENANCE CHART
FOR THE EMISSION CONTROL SYSTEM
EBS00029

PERIODIC CHECKS AND ADJUSTMENTS

INTRODUCTION

This chapter includes all information necessary to perform recommended checks and adjustments.
These preventive maintenance procedures, if followed, will ensure more reliable vehicle operation
and a longer service life. The need for costly overhaul work will be greatly reduced. 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.
EBU21742
PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL
SYSTEM
NOTE:
• For ATVs not equipped with an odometer or an hour meter, follow the month maintenance inter-
vals.
• For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance
intervals. However, keep in mind that if the ATV isn't used for a long period of time, the month
maintenance intervals should be followed.
• Items marked with an asterisk should be performed by a Yamaha dealer as they require special
tools, data and technical skills.
CHECK OR MAINTE-
NO. ITEM
• Check fuel hoses for cracks or other damage, and
1 * Fuel line
replace if necessary.
• Check condition and clean, regap, or replace if nec-
2 Spark plug
essary.
3 * Valves • Check valve clearance and adjust if necessary.
4 * Fuel injection • Check and adjust engine idle speed.
Crankcase • Check breather hose for cracks or other damage,
5 *
breather system and replace if necessary.
• Check for leakage and replace gasket(s) if neces-
sary.
6 * Exhaust system
• Check for looseness and tighten all screw clamps
and joints if necessary.
7 Spark arrester • Clean.
Whichever
comes first
NANCE JOB
3 - 1
INITIAL
month 1 3
km 320 1300 2500
(mi) (200) (800) (1600)
hours 20 80
√ √
√
√ √
CHK
ADJ
EVERY
6 6 12
2500 5000
(1600) (3200)
160 160 320
√ √ √
√ √ √
√ √ √
√ √ √
√ √ √
√ √ √
√ √ √
3