odometer YAMAHA WHY 50 2003 Owners Manual

3
INSTRUMENT AND CONTROL FUNCTIONS
12
ZAUM0185
1. Speedometer
2. Odometer
EAU00098
Speedometer unit
The speedometer unit is equipped with
a speedometer and an odometer. The
speedometer shows riding speed. The
odometer shows the total distance
traveled.
1
ZAUM0358
1. Fuel gauge
EAU00113
Fuel gauge
The fuel gauge indicates the amount
of fuel in the fuel tank. The needle
moves towards "E" (Empty) as the fuel
level decreases. When the needle
reaches "E", refuel as soon as possi-
ble.
NOTE :
Do not allow the fuel tank to empty itself
completely.
3-3

PERIODIC MAINTENANCE AND MINOR REPAIR
6
1 * Fuel line•Check fuel hoses and vacuum hose for cracks or damage.√√√√ √
2 Spark plug•Replace.√√√√ √
3 Air filter element•Clean.√√•Replace.√√
4 * Battery•Check electrolyte level and specific gravity.
√√√√ √
•Make sure that the breather hose is properly routed.
•Check operation, fluid level and vehicle for fluid leak
√√√√√ √
5 * Front brake(See NOTE on page 6-4.)
•Replace brake pads. Whenever worn to the limit
6 * Rear brake•Check operation and adjust brake lever free play.√√√√√ √•Replace brake shoes. Whenever worn to the limit
7 * Brake hose•Check for cracks or damage.√√√√ √•Replace. (See NOTE on page 6-4.) Every 4 years
8 * Wheels•Check runout and for damage.√√√√
EAU03686
Periodic maintenance and lubrication chart
NOTE :
•The annual checks must be performed every year, except if a kilometer-based maintenance is performed instead.
•From 30,000 km, repeat the maintenance intervals starting from 6,000 km.
•Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
ODOMETER READING (x 1,000 km)
NO. ITEMCHECK OR MAINTENANCE JOB
1
ANNUAL
CHECK
6121824
6-2

PERIODIC MAINTENANCE AND MINOR REPAIR
6
•Check tread depth and for damage.
9 * Tires•Replace if necessary.
√√√√ √
•Check air pressure.
•Correct if necessary.
10 * Wheel bearings•Check bearing for looseness or damage.√√√√
11 * Steering bearings•Check bearing play and steering for roughness.√√√√√•Lubricate with lithium-soap-based grease. Every 24,000 km
12 * Chassis fasteners•Make sure that all nuts, bolts and screws are
√√√√ √
properly tightened.
13 Centerstand•Check operation.
√√√√ √
•Lubricate.
14 * Front fork•Check operation and for oil leakage.√√√√
15 * Shock absorber assembly•Check operation and shock absorber for oil leakage.√√√√
16 * Carburetor•Adjust engine idling speed.√√√√√ √
17 * Autolube pump•Check operation.
√√√√
•Bleed if necessary.
18 Final transmission oil•Check vehicle for oil leakage.√√ √•Change.√√√
19 * V-belt•Replace. Every 10,000 km
20 * Front and rear brake
•Check operation.√√√√√ √
switches
ODOMETER READING (x 1,000 km)
NO. ITEMCHECK OR MAINTENANCE JOB
1
ANNUAL
CHECK
6121824
6-3

PERIODIC MAINTENANCE AND MINOR REPAIR
6
21 Moving parts and cables•Lubricate.√√√√ √
22 * Lights, signals and•Check operation.
√√√√√ √
switches•Adjust headlight beam.
ODOMETER READING (x 1,000 km)
NO. ITEMCHECK OR MAINTENANCE JOB
1
ANNUAL
CHECK
6121824
EAU03541*
NOTE :
•The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
•Hydraulic brake service
•Regularly check and, if necessary, correct the brake fluid level.
•Every two years change the brake fluid.
•Replace the brake hoses every four years and if cracked or damaged.
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