Yamaha XT660X Service Manual

5 - 2
ENG
LEADS, CABLES, HOSES, AND IGNITION COIL
T
R
.
.
7 Nm (0.7 m
•
kg, 5.1 ft
•
Ib)
T
R
.
.
10 Nm (1.0 m
•
kg, 7.2 ft
•
Ib)
T
R
.
.
16 Nm (1.6 m
•
kg, 11 ft
•
Ib)
LT
LS
LS
New
New
∗
5
10
9
11
13
12
14
2
1
3
4
6
6
7
78
8
*
Apply sealant
Yamaha bond No. 1215
90890-85505
Order Job/Part Q’ty Remarks
Removing the leads, cables, hoses,
and ignition coil
Remove the parts in the order listed.
Engine oil Drain.
Refer to “CHANGING THE ENGINE OIL”
in chapter 3.
Coolant Drain.
Refer to “CHANGING THE COOLANT” in
chapter 3.
Seat/side panels (left and right)/rear
cover
Refer to “COWLING AND COVER” in
chapter 3.
Fuel tank side covers (left and right)/
fuel tank
Refer to “FUEL TANK” in chapter 3.
Rear wheel Refer to “REAR WHEEL, BRAKE DISC,
AND REAR WHEEL SPROCKET” in
chapter 4.
ENGINE REMOVAL

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