Yamaha Rhino 450 YXR45FAV, Service Manual

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CHK
ADJ
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.
• Items marked with an asterisk should be performed by a Yamaha dealer as they require special
tools, data and technical skills.
ITEM ROUTINE
Whichever
comes first
INITIAL EVERY
month 1 3 6 6 12
km
(mi)
320
(200)
1,200
(750)
2,400
(1,500)
2,400
(1,500)
4,800
(3,000)
hours 20 75 150 150 300
Valves*
• Check valve clearance.
• Adjust if necessary.
Cooling system
• Check coolant leakage.
• Repair if necessary.
• Replace coolant every 24 months.
Spark plug
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
Air filter elements
(engine and air
intake duct)
• Clean.
• Replace if necessary. Every 20–40 hours
(More often in wet or dusty areas.)
Carburetor*
• Check idle speed/starter operation.
• Adjust if necessary.
Crankcase breather
system* • Check breather hose for cracks or damage.
• Replace if necessary.
Exhaust system*
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
Spark arrester • Clean.
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil • Replace (warm engine before draining).
Engine oil filter car-
tridge
• Replace.
Final gear oil
• Check oil level/oil leakage.
• Replace.
Differential gear oil
Front brake*
• Check operation/brake pad wear/fluid leakage/see
NOTE page 3-2.
• Correct if necessary. Replace pads if worn to the limit.
INTRODUCTION/
PERIODIC MAINTENANCE/LUBRICATION
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