Periodic Checks And Adjustments; Introduction; Periodic Maintenance/Lubrication - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

PERIODIC MAINTENANCE/LUBRICATION

EB300000

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.
EB301000
PERIODIC MAINTENANCE/LUBRICATION
NOTE:
• For vehicles not equipped with an odometer or hour meter, follow the month maintenance inter-
vals.
• For vehicles equipped with an odometer or an hour meter, follow the km (mi) or hours mainte-
nance intervals. However, keep in mind that if the vehicle isn't used for a long period of time, the
month maintenance intervals should be followed.
ITEM
• Check valve clearance.
Valves*
• Adjust if necessary.
• Check coolant leakage.
Cooling system • Repair if necessary.
• Replace coolant every 24 months.
• Check condition.
Spark plug • Adjust gap and clean.
• Replace if necessary.
• Clean.
Air filter element
• Replace if necessary.
• Check idle speed/starter operation.
Carburetor*
• Adjust if necessary.
Crankcase breather • Check breather hose for cracks or damage.
system* • Replace if necessary.
• Check for leakage.
Exhaust system* • Tighten if necessary.
• Replace gasket(s) if necessary.
Sparks arrester • Clean.
• Check fuel hose for cracks or damage.
Fuel line*
• Replace if necessary.
Engine oil • Replace (warm engine before draining).
Engine oil filter car-
• Replace.
tridge
Final gear oil
• Check oil level/oil leakage.
• Replace.
Differential gear oil
• Check operation/brake pad wear/fluid leakage/see
Front brake* NOTE page 3-2.
• Correct if necessary. Replace pads if worn to the limit.
• Check operation/brake pad wear/fluid leakage/see
Rear brake* NOTE page 3-2.
• Correct if necessary. Replace pads if worn to the limit.
Whichever
ROUTINE comes first
3 - 1
INTRODUCTION/
INITIAL
month 1 3
km 320 1,200
(mi) (200) (750)
hours 20 75
Every 20 ~ 40 hours
(More often in wet or dusty areas.)
CHK
ADJ
EVERY
6 6 12
2,400 2,400 4,800
(1,500) (1,500) (3,000)
150 150 300