Yamaha XT660X Service Manual

5 - 7
ENG
ENGINE REMOVAL
EAS00192
INSTALLING THE ENGINE
1. Install:
• engine front bracket
1
• engine front bracket bolt/nut
2
• engine front mounting bolt/nut
3
• engine rear mounting bolt/nut
4
• engine front bracket bolt/nut
5
• engine front mounting bolt/nut
6
• engine upper bracket (left)
7
• engine upper bracket (right)
8
• engine upper bracket bolts/nuts
9
• engine upper mounting bolt/nut
0
NOTE:
Do not fully tighten the bolts.
2. Tighten:
• engine front bracket bolts/nuts
2
,
5
• engine front mounting bolts/nuts
3
,
6
• engine rear mounting bolt/nut
4
• engine upper bracket bolts/nuts
9
• engine upper mounting bolt/nut
0
9
9
8
0
2
5
7
0
9
9
5
2
1
3
6
4
4
6
3
T
R
.
.
73 Nm (7.3 m · kg, 53 ft · lb)
T
R
.
.
73 Nm (7.3 m · kg, 53 ft · lb)
T
R
.
.
73 Nm (7.3 m · kg, 53 ft · lb)
T
R
.
.
73 Nm (7.3 m · kg, 53 ft · lb)
T
R
.
.
55 Nm (5.5 m · kg, 40 ft · lb)

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