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INSPADJ
MAINTENANCE INTERVALS
EC300000
REGULAR INSPECTION AND ADJUSTMENTS
MAINTENANCE INTERVALS
The following schedule is intended as a general guide to maintenance and lubrication. Bear in mind
that such factors as weather, terrain, geographical location, and individual usage will alter the
required maintenance and lubrication intervals. If you are a doubt as to what intervals to follow in
maintaining and lubricating your machine, consult your Yamaha dealer.
No. ITEM CHECKS AND
MAINTENANCE JOBS WHICH-
EVER
COMES
FIRST INITIAL EVERY
month 1 6 12
hours 30 60 120
1 * Fuel line Check fuel hoses for cracks or damage.
Replace if necessary.
√
√
2 Spark plug Check condition.
Adjust gap and clean.
√
√
3 * Valve clearance Check and adjust valve clearance when engine is
cold.
√
4 * Air filter element Clean with solvent.
Replace if necessary.
√
√
5 * Breather system Check ventilation hose for cracks or damage.
Replace if necessary.
√
√
√
6 * Carburetor Check engine idling speed and starter operation.
Adjust if necessary.
√
√
√
7 Exhaust system Check for leakage.
Tighten if necessary.
Replace gasket if necessary.
√
√
8 Engine oil Change (warm engine before draining). √
√
√
9 * Clutch Check operation.
Adjust if necessary.
√
√
√
10 * Front brake Check operation.
Adjust brake lever free play and replace brake shoes
if necessary.
√
√
√
11 * Rear brake Check operation.
Adjust brake pedal free play and replace brake shoes
if necessary. √
√
√
12 * Wheels Check runout, spoke tightness and for damage.
Tighten spokes if necessary.
√
√
√
13 * Tires Check tread depth and for damage.
Replace if necessary.
Check air pressure.
Correct if necessary.
√
√
14 * Wheel bearings Check bearings for smooth operation.
Replace if necessary.
√
√
15 * Swingarm Check swingarm pivoting point for play.
Correct if necessary.
Lubricate with lithium soap based grease. √
√
√
16 Drive chain Check chain slack/alignment and condition.
Adjust and lubricate chain. Every ride
17 * Steering bearings Check bearing assemblies for looseness.
Lubricate with lithium soap based grease every
120 hours or 12 months (whichever comes first).
√
√
18 Brake lever pivot
shaft Apply lithium soap based grease lightly.
√
√
√
19 Brake pedal pivot
shaft Apply lithium soap based grease lightly.
√
√
√
3
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INSPADJ
PRE-OPERATION INSPECTION AND MAINTENANCE
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice or a race, make sure the machine is in good operating
condition.
Before using this machine, check the following points.
GENERAL INSPECTION AND MAINTENANCE
Item Routine Page
Fuel Check that a fresh gasoline is filled in the fuel tank. Check the fuel line
for leakage. P.1-11
Engine oil Check that the oil level is correct. Check the crankcase for leakage. P.3-7 ~ 9
Throttle Check for proper throttle cable operation. P.3-4 ~ 5
Brakes Check the play of front and rear brake and effect of front and rear
brake. P.3-14 ~ 15
Drive chain Check chain slack and alignment. Check that the chain is lubricated
properly. P.3-16 ~ 18
Wheels and tires Check pressure/runout/spoke tightness/bead stopper/axle nuts. P.3-19 ~ 20
Steering Check that the handlebar can be turned smoothly and have no exces-
sive play. P.3-20 ~ 21
Front forks and rear
shock absorber assembly Check that they operate smoothly and there is no oil leakage. P.3-18
Cables (wires) Check that the throttle cable move smoothly. Check that they are not
caught when the handlebars are turned. —
Muffler Check that the muffler is tightly mounted and has no cracks. P.4-3
Sprocket Check that the driven sprocket tightening nut is not loose. P.3-15
Lubrication Check for smooth operation. Lubricate if necessary. P.3-22
Spark plug Check color/condition. P.3-23
Fittings/fasteners Check all – tighten as necessary. P.2-13
Lead connectors Check that the AC magneto, CDI unit, and ignition coil are connected
tightly. P.1-5
