Periodic Checks And Adjustments; Introduction; Periodic Maintenance/Lubrication Intervals - Yamaha YFM 400 FWA P Service Manual

INTRODUCTION/PERIODIC MAINTENANCE/
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

ITEM
Valves*
Cooling system
Spark plug
Air filter
Carburetor*
Fuel line*
Engine oil
Engine oil filter cartridge
Engine oil strainer*
Final gear oil
Differential gear oil
Front brake*
Rear brake*
V-belt*
Wheels*
Wheel bearing*
Front and rear suspension*
Steering system*
Axle boots*
Fittings and Fasteners*
* It is recommended that these items be serviced by a Yamaha dealer.
LUBRICATION INTERVALS
ROUTINE
• Check valve clearance.
• Adjust if necessary.
• Check coolant leakage.
• Repair if necessary.
• Replace coolant every 24 months.
• Check condition.
• Adjust gap and clean.
• Replace if necessary.
• Clean.
• Replace if necessary.
• Check and adjust idle speed/starter operation.
• Adjust if necessary.
• Check fuel hose for cracks or damage.
• Replace if necessary.
• Replace (Warm engine before draining).
• Replace.
• Clean.
• Check oil level/oil leakage.
• Replace every 12 months.
• Check operation/fluid leakage/see NOTE page 16.
• Correct if necessary.
• Check operation/fluid leakage/see NOTE page 16.
• Correct if necessary.
• Check operation.
• Check for cracks or damage every 12 months or
2,400 km (1,500 mi) whichever comes first.
• Check balance/damage/runout.
• Repair if necessary.
• Check bearing assemblies for looseness/damage.
• Replace if damaged.
• Check operation.
• Correct if necessary.
• Check operation/Replace if damaged.
• Check toe-in/Adjust if necessary.
• Check operation.
• Replace if damaged.
• Check all chassis fittings and fasteners.
• Correct if necessary.
1
month
– 15 –
CHK
ADJ
INITIAL EVERY
3 6 6
months months months
Every 20 ~ 40 hours.
(More often in wet or dusty areas)
1
year