Yamaha XT660R S Service Manual

5 - 69
ENG
CRANKCASE
CRANKCASE
New
T
R
.
.
10 Nm (1.0 m
•
kg, 7.2 ft
•
Ib)
T
R
.
.
10 Nm (1.0 m
•
kg, 7.2 ft
•
Ib)
T
R
.
.
10 Nm (1.0 m
•
kg, 7.2 ft
•
Ib)
T
R
.
.
8 Nm (0.8 m
•
kg, 5.8 ft
•
Ib)
T
R
.
.
4 Nm (0.4 m
•
kg, 2.9 ft
•
Ib)
New
New
New
T
R
.
.
10 Nm (1.0 m
•
kg, 7.2 ft
•
Ib)
LT
LS
New
LS
New
LT
LS
LS
1
2
3
4
8
9
9
10
6
7
5
5
12
11
12
(3)
Order Job/Part Q’ty Remarks
Separating the crankcase Remove the parts in the order listed.
Engine Refer to “ENGINE REMOVAL”.
Cylinder head Refer to “CYLINDER HEAD”.
Cylinder/piston Refer to “CYLINDER AND PISTON”.
A.C. magneto Refer to “STARTER CLUTCH AND A.C.
MAGNETO”.
Clutch Refer to “CLUTCH”.
Balancer driven gear/balancer drive
gear
Refer to “BALANCER DRIVEN GEAR”.
Oil pump Refer to “OIL PUMP”.
Shift shaft Refer to “SHIFT SHAFT”.
1 Timing chain guide (intake side) 1
2 Timing chain 1
3 Neutral switch 1
4 Speed sensor 1

Yamaha XT660R S Specifications

General

Displacement	660 cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Starter System	Electric
Transmission System	5-speed
Final Drive	Chain
Front Suspension System	Telescopic forks
Front Tyre	90/90-21 M/C 54S
Rear Tyre	130/80-17 M/C 65S
Overall Width	865 mm
Overall Height	1, 230 mm
Seat Height	865 mm
Wheelbase	1, 505 mm
Wet Weight	181 kg
Fuel Tank Capacity	15 litres
Oil Tank Capacity	2.9 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC
Maximum Power	48hp (35kW) @ 6, 000rpm
Frame	Steel diamond
Rear Suspension System	Swingarm, (link suspension)
Front Brake	Single 298mm disc, 2-piston caliper
Rear Brake	Single Disc, 245 mm