Periodic Checks And Adjustments; Introduction; Periodic Maintenance And Lubrication Intervals - Yamaha YJ50RAP Service Manual

PERIODIC MAINTENANCE AND LUBRICATION
EAS00036

PERIODIC CHECKS AND ADJUSTMENTS

INTRODUCTION

This chapter includes all information necessary to perform recommended checks and adjustments.
If followed, these preventive maintenance procedures will ensure more reliable vehicle operation, a
longer service life and reduce the need for costly overhaul work. 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.
EAS00037

PERIODIC MAINTENANCE AND LUBRICATION INTERVALS

No. ITEM
1 Spark plug
2 Air filter element
3 * Carburetor
4 * Fuel line
5 * Final gear oil
6 * Autolube pump
7 Brakes
8 * Wheels
9 * Wheel bearings
10 * Steering bearing
Rear shock
11 *
absorber
12 * V-belt
13 * Chassis fasteners
Control and meter
14 *
cable
15 * Centerstand
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the ser-
vice.
** Lithium soap base grease
ROUTINE
• Check condition.
• Clean or replace if necessary.
• Clean.
• Replace if necessary.
• Check idle speed.
• Adjust if necessary.
• Check fuel hose and vacuum hose for cracks or damage.
• Replace if necessary.
• Check oil leakage.
• Correct if necessary.
• Replace every 12,000 km (8,000 mi) or 24 months.
(Ride scooter a few minutes before draining.)
• Check operation.
• Correct if necessary
• Bleed.
• Check operation.
• Adjust if necessary.
• Check damage/runout.
• Replace if necessary.
• Check bearing assembly for looseness/damage.
• Replace if damaged.
• Check bearing assembly for looseness.
• Correct if necessary.
• Moderately repack every 12,000 km (8,000 mi) or 24 months.**
• Check operation/oil leakage.
• Replace if necessary.
• Check damage and wear.
• Replace if necessary.
• Replace every 10,000 km (6,000 mi).
• Check all chassis fittings and fasteners.
• Correct if necessary.
• Apply chain lube thoroughly.
• Check operation.
• Repair if necessary.
INTRODUCTION/
3 - 1
CHK
ADJ
EVERY
BREAK-IN
3,000 km
500 km
(2,000 mi) or (4,000 mi) or
(300 mi)
6 months
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REPLACE.
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6,000 km
12 months
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