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Yamaha XT660X Service Manual

Yamaha XT660X
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7 - 2
FI
FUEL INJECTION SYSTEM
EAS00898
WIRING DIAGRAM
ON
OFF
P
-- -
-
(BLACK)
(BLACK)
(DARK BLUE)
(GRAY)
-
R/W
RR
L/W
B
B
SUB-WIRE HARNESS
MAIN HARNESS
A
G
Ch Lg
YB
Dg
YB
L/R
Ch
G
L/R
G
BY
Y
Br
B
L/R
B
B
(
BLUE
)
(
DARK GREEN
)
(
BLUE
)
B
L/G
B
B
B/Y
L/Y
B
B
L/R
B
(
BLACK
)
(
BLACK
)
Y
Br
B
B
B
Y
L/R
Y
BL
R/BL/BR/L
Br
L/W
L/WL/RR/WL/GL/YSbB/YLg
L/W
B/Y
Y/L
L/B
Y/G
G/R
Br/W
W
P/W
Gy
Y
B/W
B/LL/R
L
G/Y
Br/R
Y/B
R
R/L
R/BO
B
G
Ch
Y
L/W
Br/W
PLg
R/L
Br
R/Y
Br
Br/W
G
L/B
P
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Dg
Ch
BB
R
(BLACK)
(BLACK)
BB
L
WW
W
WW
W
G/WL/YGy G/W
L/B
R
B
R/B
R/W
L/W
R/B
B
B
B
B
B
BB2
BB3
BB1
BB4
B
G/W
BB
B1
B1
B2
B
R/L
LY
(BLACK)
B/L
B/L
P/W
(BLACK)
L
L
Y/GB/L
Y
R/G
Ch
R/W
G/L
Dg
Y/L
G/W
Lg
B/W
Ch R/G
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G/L
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R/W
Lg Y/L
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B2 B
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R/W
BBBR/G
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B/W
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Br/W
Br
WWW
BR
Br/R
Br/R
R
Br/L
R
Br/L
Br/RR/W
R/LR/B
Br/W
B/L
G/RB/L
5
2
1
3
4
z
0
A
B
v
w
x
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6
7
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H
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Gy
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R
B
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R
R/B L/B Br
R B Y
L/GL/YSb
L/R
R/L
B/Y
L/B
R/W
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R/B
L/W
L/W
B
BB
R/L G/W
L/G
B/W B
P
L/R
L/R
L/R
B
Br
Y
Br
R/W
L
L
B
G/Y
W
R/G
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R
R
Br
R/G
Br
Br/L
Br/L
Br/L
Br/R
R
Br
R/L
B/L
Y/G
L
B/L
P/W
L
B/L
B/L
G/R
B/L
Br/W
R/WBr/R
R/L
R/B
G/R
L
W
B/L
Br/W
Br/R
R/B
R
Gy
L/W
R/L
L/R
B/Y
L/B
Y/L
Y/B
G/Y
OO
R/B
W
L
B/L
Y
Y/G
P/W
Y
L
Lg
Y
Ch
G
G/L
G/W
R/G
R/W
B/W
Y/L
R/W
L/W
Lg
B
P
Br
G/L
R/W
BB
Y/L
B
BB
B1
BB3
BB4
BB2
Y Lg Ch G
B/Y
Br R/L L/W Br/W L/Y
L/R
B
Y
R/L
R/Y
Br
Br/W
L/W
Y/B
BB1
W
W
W
W
W
R
B
Sb
A
Y
A
G
Y
B
B B B B
G
A
Ch
A
Y
B
A
B
Lg Ch G
Dg
ChCh Dg G
A
1 Crankshaft position sensor
3 Neutral switch
4 Main switch
6 Battery
7 Main fuse
0 Fuel injection system fuse
D Engine stop switch
I Fuel injection system relay
J Sidestand switch
K Fuel pump
L ECU
M Ignition coil
N Spark plug
O Fuel injector
P Air induction system solenoid
Q Intake air temperature sensor
R Coolant temperature sensor
S Speed sensor
T Throttle position sensor
U Intake air pressure sensor
V Lean angle cut-off switch
Y Multifunction meter
[ Engine trouble warning light
v Ignition fuse

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Yamaha XT660X Specifications

General IconGeneral
Displacement660cc
Bore x Stroke100.0 mm x 84.0 mm
Compression Ratio10.0:1
Fuel SystemFuel Injection
Ignition SystemTCI
Transmission5-speed
Final DriveChain
Rear BrakeSingle disc, Ø 245 mm
Front Tyre120/70 R17
Rear Tyre160/60 R17
Maximum Power48 HP (35.3 kW) @ 6, 000 rpm
Maximum Torque58.4Nm (43.1lb-ft) @ 5, 250rpm
Front SuspensionTelescopic fork
Rear SuspensionSwingarm, (link suspension)
Fuel Tank Capacity15 litres
Engine TypeLiquid-cooled, 4-stroke, single cylinder, SOHC, 4-valves

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