Periodic Checks And Adjustments; Introduction; Periodic Maintenance/Lubrication - Yamaha 5YF2-AE1 Service Manual

PERIODIC MAINTENANCE/LUBRICATION

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 machine operation
and a longer service life. The need for costly overhaul work will be greatly reduced. This information
applies to machines already in service as well as to new machines that are being prepared for sale.
All service technicians should be familiar with this entire chapter.
EBS00030
PERIODIC MAINTENANCE/LUBRICATION
ITEM
• Check valve clearance.
Valves*
• Adjust if necessary.
• Check chain tension.
Cam chain*
• Adjust if necessary.
• Check condition.
Spark plug • Adjust gap and clean.
• Replace if necessary.
• Clean.
Air filter element
• Replace if necessary.
• Check idle speed/choke lever 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 if necessary.
• Check fuel hose for cracks or damage.
Fuel line*
• Replace if necessary.
Engine oil • Replace (warm engine before draining).
• Check oil level/oil leakage.
Final gear oil
• Replace every 12 months.
• Check operation.
Brakes*
• Adjust if necessary.
• Check balance/damage/runout.
Wheels*
• Replace if necessary.
• Check bearing assemblies for looseness/damage.
Wheel bearings*
• Replace if damaged.
• Check operation.
• Repair if damaged.
Steering system*
• Check toe-in.
• Adjust if necessary.
Knuckle shafts/ • Lubricate every 6 months with Lithium-soap-based
steering shaft* grease.
Fittings and fasten- • Check all chassis fittings and fasteners.
ers* • Correct if necessary.
• Check specific gravity.
Battery* • Check breather hose for correct routing.
• Correct if necessary.
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform
the service.
EBS00032
WARNING
_
Indicates a potential hazard that could result in serious injury or death.
INTRODUCTION/
ROUTINE
3 - 1
CHK
ADJ
INITIAL
1 3 6
month months months
Every 20 ~ 40 hours
(more often in wet or dusty areas)
EVERY
6 1
months year