3 - 22
CHK
ADJ
CHECKING THE EXHAUST GAS AT IDLE/
ADJUSTING THE ENGINE IDLING SPEED
7. Measure:
• carbon monoxide density
• hydrocarbon density
Out of specification
→
Replace the muffler
assembly.
8. After replacing the muffler assembly,
recheck the exhaust gas at idle when cata-
lytic converter is operating.
EAS00052
ADJUSTING THE ENGINE IDLING SPEED
NOTE:
Prior to adjusting the engine idling speed, the
throttle bodies synchronization should be
adjusted properly, and the engine should have
adequate compression.
1. Remove:
• right side cover
Refer to “SIDE COVER MOULDINGS AND
LEG SHIELD”.
2. Start the engine and let it warm up for sev-
eral minutes.
3. Check:
• engine idling speed
Out of specification
→
Adjust.
4. Adjust:
• engine idling speed
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a. Turn the Idle adjust screw
1
in direction
a
or
b
until the specified engine idling speed
is obtained.
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Carbon monoxide density (when
catalytic converter is operating)
0.2 ~ 1.2%
(Reference value)
Engine idling speed
1,100 ~ 1,300 r/min
Direction
a
Engine idling speed is
increased.
Direction
b
Engine idling speed is
decreased.
1
b
a
Summary of Contents for XP500
Page 1: ...2005 XP500 XP500A5VU5 AE1 SERVICE MANUAL...
Page 2: ......
Page 8: ......
Page 9: ...GEN INFO 1...
Page 11: ...GEN INFO...
Page 38: ...SPEC 2...
Page 40: ...SPEC...
Page 68: ...2 28 SPEC OIL FLOW DIAGRAMS 1 Oil strainer 2 Crankshaft...
Page 69: ...2 29 SPEC OIL FLOW DIAGRAMS 1 Clutch 2 Right main journal bearing 3 Main gallery plug...
Page 118: ......
Page 119: ...CHK ADJ 3...
Page 193: ......
Page 194: ...CHAS 4...
Page 198: ...CHAS...
Page 292: ...4 94 CHAS ANTI LOCK BRAKE SYSTEM XP500A...
Page 326: ......
Page 327: ...ENG 5...
Page 331: ...ENG...
Page 424: ...COOL 6...
Page 426: ...COOL...
Page 442: ......
Page 443: ...FI 7...
Page 445: ...FI...
Page 476: ...ELEC 8...
Page 544: ......
Page 545: ...TRBL SHTG 9...
Page 553: ......
Page 556: ......
Page 557: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...