Yamaha XT660X Service Manual

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ELEC
IGNITION SYSTEM
EAS00734
IGNITION SYSTEM
CIRCUIT 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
Y
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/G
B/L
Y
R/G
Ch
R/W
G/L
Dg
Y/L
G/W
Lg
B/W
Ch R/G
Y
G
G/L
R/W
R/W
Lg Y/L
R/G
B2 B
Y/LG/L
R/W
BBBR/G
G/W
Y/L
B/W
Lg
B/L
LW
P
B/W
O/R
Br
L
R/W
G/Y
R/L
L/W
R/YY/B
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 y
q
a _ ] \ [ Z
X
L
KF
G
6
7
8
9
H
I
ED
C
J
M
N
O
P
Q
T U V
R
S
W
Y
k
s
e
d
fg h i
b
c
j
r
t
u
{
l
mn op
È
Gy
L
R
Br/L
Br/R
G/W
R R
R R
R
B B
B B
B
R
R/B L/B Br
R B Y
L/GL/YSbL/R
R/L
B/Y
L/B
R/W
Br
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
R 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
4 Main switch 6 Battery 7 Main fuse D Engine stop switch L ECU M Ignition coil N Spark plug V Lean angle cut-off
switch
v Ignition fuse

Yamaha XT660X Specifications

General

Displacement	660cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	5-speed
Final Drive	Chain
Rear Brake	Single disc, Ø 245 mm
Front Tyre	120/70 R17
Rear Tyre	160/60 R17
Maximum Power	48 HP (35.3 kW) @ 6, 000 rpm
Maximum Torque	58.4Nm (43.1lb-ft) @ 5, 250rpm
Front Suspension	Telescopic fork
Rear Suspension	Swingarm, (link suspension)
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC, 4-valves