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CHK
ADJ
SYNCHRONIZING THE THROTTLE BODIES
6. Measure:
• engine idling speed
Out of specification
→
Adjust.
Refer to “ADJUSTING THE ENGINE
IDLING SPEED”.
Engine idling speed
1,100 ~ 1,300 r/min
7. Adjust:
• throttle body synchronization
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a. Turn the throttle body #1 air screw
1
, and
#2 air screw
2
. Using the carburetor angle
driver
3
.
NOTE:
• After each step, rev the engine two or three
times, each time for less than a second, and
check the synchronization again.
• If the air screw is removed, turn the screw 3/4
turn in and be sure to synchronize the throttle
body.
CAUTION:
Do not use the throttle valve adjusting
screws to adjust the throttle body synchro-
nization.
NOTE:
The difference in vacuum pressure between
two throttle bodies should not exceed 1.3 kPa
(10 mmHg, 0.38 inHg).
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8. Measure:
• engine idling speed
Out of specification
→
Adjust.
Make sure that the vacuum pressure is
within specification.
Carburetor angle driver
90890-03158
Vacuum pressure at engine idling
speed
33 kPa (248 mmHg, 9.7 inHg)
1
2
3
Summary of Contents for tmax XP500A
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 ...