spark plugs replace YAMAHA XVS1100A 2000 Owners Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
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Periodic maintenance and lubrication chart
CP-02ENO. ITEM CHECKS AND MAINTENANCE JOBSInitial
1,000 kmEvery Every
Annual
check
6,000 km 12,000 km
1
*Fuel line• Check fuel hoses for cracks or damage.
• Replace if necessary. ÖÖ
2*Fuel filter• Check condition.
• Replace if necessary.Ö
3 Spark plugs• Check condition.
• Clean, regap or replace if necessary.Ö
4*Valves • Check valve clearance.
• Adjust if necessary.Ö
5 Air filter• Clean or replace if necessary.Ö
6Clutch• Check operation.
• Adjust or replace cable.ÖÖ
7*Front brake• Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.)
• Correct accordingly.
• Replace brake pads if necessary.ÖÖ Ö
8*Rear brake• Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.)
• Correct accordingly.
• Replace brake pads if necessary.ÖÖ Ö
9*Wheels• Check balance, runout, spoke tightness and for damage.
• Tighten spokes and rebalance, replace if necessary.Ö
10*Brake hoses• Check for cracks or damage.
• Replace if necessary.ÖÖ
11*Tires• Check tread depth and for damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.Ö
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Checking the spark plugs The spark plugs are important engine
components, which are easy to check.
Since heat and deposits will cause any
spark plug to slowly erode, the spark
plugs should be removed and checked
in accordance with the periodic mainte-
nance and lubrication chart. In addition,
the condition of the spark plugs can re-
veal the condition of the engine.
To remove a spark plug
1. Remove the appropriate spark
plug cover (rear right or front left)
by pulling it off as shown.
2. Remove the spark plug cap.3. Remove the spark plug as shown,
with the spark plug wrench includ-
ed in the owner’s tool kit.
To check the spark plugs
1. Check that the porcelain insulator
around the center electrode on
each spark plug is a medi-
um-to-light tan (the ideal color
when the motorcycle is ridden nor-
mally).
2. Check that all spark plugs installed
in the engine have the same color.
NOTE:@ If any spark plug shows a distinctly dif-
ferent color, the engine could be defec-
tive. Do not attempt to diagnose such
problems yourself. Instead, have a
Yamaha dealer check the motorcycle. @3. Check each spark plug for elec-
trode erosion and excessive car-
bon or other deposits, and replace
it if necessary.
1. Spark plug cover
1. Spark plug wrench
Specified spark plug:
BPR7ES (NGK) or
W22EPR-U (DENSO)
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Troubleshooting chart
EW000125
WARNING
@ Keep away open flames and do not smoke while checking or working on the fuel system.@
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plugs
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Open the throttle halfway and operate
the electric starter.
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