2000 YAMAHA XV535 spark plugs replace

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PERIODIC MAINTENANCE AND MINOR REPAIR
/Net/layout8/layout_G2/work/Imai_work/OM-PS/AA9149_XV535-E6/English/E-6TOC.frame
Tool kit ................................................................ 6-1
Periodic maintenance and lubrication................. 6-2
Spark plugs ........................................................ 6-5
Engine oil............................................................ 6-7
Final gear oil ....................................................... 6-9
Air filter ............................................................. 6-10
Carburetor adjustment ...................................... 6-12
Idle speed adjustment ...................................... 6-13
Throttle cable free play inspection .................... 6-13
Valve clearance adjustment ............................. 6-14
Tires ................................................................. 6-14
Wheels ............................................................. 6-16
Clutch lever free play adjustment ..................... 6-17
Front brake lever free play adjustment ............. 6-17
Rear brake pedal height and free play
adjustment ...................................................... 6-18
Brake light switch adjustment ........................... 6-19
Checking the front brake pads and
rear brake shoes ............................................ 6-19Inspecting the brake fluid level.......................... 6-20
Brake fluid replacement .................................... 6-21
Cable inspection and lubrication ....................... 6-21
Throttle cable and grip lubrication ..................... 6-22
Brake and shift pedal lubrication ....................... 6-22
Brake and clutch lever lubrication ..................... 6-22
Sidestand lubrication......................................... 6-23
Rear suspension lubrication.............................. 6-23
Front fork inspection ......................................... 6-23
Steering inspection ........................................... 6-24
Wheel bearings ................................................. 6-24
Battery............................................................... 6-25
Fuse replacement ............................................. 6-27
Headlight bulb replacement .............................. 6-27
Turn signal and taillight bulb replacement ........ 6-29
Troubleshooting ................................................ 6-29
Troubleshooting chart ....................................... 6-30

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6-2
PERIODIC MAINTENANCE AND MINOR REPAIR
/Net/layout8/layout_G2/work/Imai_work/OM-PS/AA9149_XV535-E6/English/E-6.frame
EAU00473
PERIODIC MAINTENANCE AND LUBRICATION
NO. ITEM CHECKS AND MAINTENANCE JOBSINITIAL
(1,000 km)EVERY
6,000 km
or
6 months
(whichever
comes first)12,000 km
or
12 months
(whichever
comes first)
1
*Fuel line¥ Check fuel hoses and vacuum hose for cracks or damage.
¥ Replace if necessary.ÖÖ
2 Spark plugs¥ Check condition.
¥ Clean, regap or replace if necessary.ÖÖÖ
3
*Fuel filter¥ Check condition.
¥ Replace if necessary.Ö
4
*Valves¥ Check valve clearance.
¥ Adjust if necessary.ÖÖÖ
5 Air filter¥ Clean or replace if necessary.ÖÖ
6
*Battery¥ Check electrolyte level and specific gravity.
¥ Correct or recharge if necessary.
¥ Make sure that the breather hose is properly routed.ÖÖ
7Clutch¥ Check operation.
¥ Adjust or replace cable.ÖÖÖ
8
*Front brake¥ Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.)
¥ Correct accordingly.
¥ Replace brake pads if necessary.ÖÖÖ
9
*Rear brake¥ Check operation.
¥ Adjust brake pedal free play and replace brake shoes if necessary.ÖÖÖ
10
*Wheels¥ Check balance, runout, spoke tightness and for damage.
¥ Tighten spokes and rebalance, replace if necessary.ÖÖ

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6-5
PERIODIC MAINTENANCE AND MINOR REPAIR
/Net/layout8/layout_G2/work/Imai_work/OM-PS/AA9149_XV535-E6/English/E-6.frame
2 1
1. Cylinder head cover
2. Screw (´ 2)
EAU01486
Spark plugs
Removal
1. Remove the rear right and front
left cylinder head covers by re-
moving the screws.
2. Remove the spark plug caps.
1
1. Spark plug wrench
3. Use the spark plug wrench in the
tool kit to remove the spark plugs
as shown.
Inspection
The spark plug is an important engine
component and is easy to inspect. The
condition of the spark plug can indicate
the condition of the engine. Normally,
all spark plugs from the same engine
should have the same color on the
white insulator around the center elec-
trode. The ideal color at this point is a
medium-to-light tan color for a motor-
cycle that is being ridden normally. If
one spark plug shows a distinctly differ-ent color, there could be something
wrong with the engine. Do not attempt
to diagnose such problems yourself. In-
stead, take the motorcycle to a
Yamaha dealer. You should periodical-
ly remove and inspect the spark plugs
because heat and deposits will cause
any spark plug to slowly break down
and erode. If electrode erosion be-
comes excessive, or if carbon and oth-
er deposits are excessive, you should
replace the spark plug with the speci-
fied plug.
Specified spark plug:
For CH:
BPR7ES (NGK) or
W22EPR-U (DENSO)
Except for CH:
BPR6ES (NGK) or
W20EPR-U (DENSO)

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6-30
PERIODIC MAINTENANCE AND MINOR REPAIR
/Net/layout8/layout_G2/work/Imai_work/OM-PS/AA9149_XV535-E6/English/E-6.frame
EAU01562
Troubleshooting chart
EW000125
Never check the fuel system while smoking or in the vicinity of an open flame.
Check if there is fuel
in the fuel tank.
1. FuelEnough fuel.
No fuel.Go to compression check.
Supply fuel.
Use electric starter.
2. CompressionThere is compression.
No compression.Go to ignition check.
Ask a Yamaha dealer to
inspect.
Remove spark
plugs and
check electrode.
3. IgnitionWet.
Dry.Wipe clean with dry cloth and correct
spark gap or replace spark plugs.
Ask a Yamaha dealer to inspect.
Engine doesnÕt start, go to battery
check.
Open throttle half-way and start
the engine.
Use the electric starter.
4. BatteryEngine turns over
quickly.
Engine turns over
slowly.Battery good.
Check fluid, recharge,
check connections.
Engine doesnÕt start, ask a Yamaha
dealer to inspect.
Engine doesnÕt start, go to compression check.

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INDEX
/Net/layout8/layout_G2/work/Imai_work/OM-PS/AA9149_XV535-E6/English/XV535IX.-
S
Seats ..................................................... 3-7
Shift pedal .............................................. 3-4
Shifting ................................................... 5-4
Sidestand ............................................... 3-9
Sidestand lubrication ........................... 6-23
Sidestand/clutch switch operation
check ................................................. 3-10
Spark plugs ............................................ 6-5
Specifications ........................................ 8-1
Speedometer ......................................... 3-2
Start switch ............................................ 3-3
Starter (choke) Ò Ó .............................. 3-6
Starting a warm engine .......................... 5-3
Starting the engine ................................ 5-1
Steering inspection .............................. 6-24
Steering lock .......................................... 3-6
Storage .................................................. 7-4
T
Throttle cable and grip lubrication ....... 6-22
Throttle cable free play inspection ....... 6-13
Tips for reducing fuel consumption ........ 5-5
Tires ..................................................... 6-14
Tool kit ................................................... 6-1
Troubleshooting ................................... 6-29
Troubleshooting chart .......................... 6-30
Turn indicator light ................................. 3-1
Turn signal and taillight bulb
replacement ...................................... 6-29
Turn signal switch .................................. 3-2
V
Valve clearance adjustment ................. 6-14
Vehicle identification number ................. 9-1
W
Wheel bearings .................................... 6-24
Wheels ................................................. 6-16