Yamaha YZF-R125, Service Manual

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PERIODIC MAINTENANCE
3-1
EAS20450
PERIODIC MAINTENANCE
EAS20460
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 long-
er 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.
EAU17715
PERIODIC MAINTENANCE AND LUBRICATION CHART
NOTE:
• The annual checks must be performed every year, except if a kilometer-based maintenance,
or for the UK, a mileage-based maintenance, is performed instead.
• From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi).
• Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills.
NO. ITEM
CHECK OR MAINTENANCE
JOB
ODOMETER READING
ANNUAL
CHECK 1000 km
(600 mi)
6000 km
(3500 mi)
12000 km
(7000 mi)
18000 km
(10500 mi)
24000 km
(14000 mi)
1 * Fuel line
• Check fuel hoses for cracks or
damage.
√ √ √ √ √
2 Spark plug
• Check condition.
• Clean and regap.
√ √
• Replace.
√ √
3
*
Valves
• Check valve clearance.
• Adjust.
√ √ √ √
4 * Air filter element
• Clean.
√ √
• Replace.
√ √
5 * Battery
• Check electrolyte level and
specific gravity.
• Make sure that the breather
hose is properly routed.
√ √ √ √ √
6 Clutch
• Check operation.
• Adjust.
√ √ √ √ √
7 * Front brake
• Check operation, fluid level
and vehicle for fluid leakage.
√ √ √ √ √ √
• Replace brake pads. Whenever worn to the limit
8 * Rear brake
• Check operation, fluid level
and vehicle for fluid leakage.
√ √ √ √ √ √
• Replace brake pads. Whenever worn to the limit
9 * Brake hoses
• Check for cracks or damage.
√ √ √ √ √
• Replace. Every 4 years
10 * Wheels • Check runout and for damage.
√ √ √ √
11
*
Tires
• Check tread depth and for
damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
√ √ √ √ √
12 * Wheel bearings
• Check bearing for looseness
or damage.
√ √ √ √
13 * Swingarm
• Check operation and for ex-
cessive play.
√ √ √ √
• Lubricate with lithium-soap-
based grease.
Every 24000 km (14000 mi)
14 Drive chain
• Check chain slack, alignment
and condition.
• Adjust and lubricate chain
with a special O-ring chain lu-
bricant thoroughly.
Every 1000 km (600 mi) and after washing the motorcycle or riding in the
rain
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