– 15 –
CHK
ADJ
INTRODUCTION/PERIODIC MAINTENANCE/
LUBRICATION INTERVALS
EB300000
PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION
This chapter includes all information necessary to perform recommended inspections and adjust-
ments. 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 INTERVALS
* It is recommended that these items be serviced by a Yamaha dealer.
ITEM
ROUTINE
INITIAL
EVERY
1
month
3
months
6
months
6
months
1
year
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
• Clean.
• Replace if necessary.
Every 20 ~ 40 hours.
(More often in wet or dusty areas)
Carburetor*
• Check and adjust idle speed/starter operation.
• Adjust if necessary.
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil
• Replace (Warm engine before draining).
Engine oil filter cartridge
• Replace.
Engine oil strainer*
• Clean.
Final gear oil
• Check oil level/oil leakage.
• Replace every 12 months.
Differential gear oil
Front brake*
• Check operation/fluid leakage/see NOTE page 16.
• Correct if necessary.
Rear brake*
• Check operation/fluid leakage/see NOTE page 16.
• Correct if necessary.
V-belt*
• Check operation.
• Check for cracks or damage every 12 months or
2,400 km (1,500 mi) whichever comes first.
Wheels*
• Check balance/damage/runout.
• Repair if necessary.
Wheel bearing*
• Check bearing assemblies for looseness/damage.
• Replace if damaged.
Front and rear suspension*
• Check operation.
• Correct if necessary.
Steering system*
• Check operation/Replace if damaged.
• Check toe-in/Adjust if necessary.
Axle boots*
• Check operation.
• Replace if damaged.
Fittings and Fasteners*
• Check all chassis fittings and fasteners.
• Correct if necessary.