Yamaha XT660R S Service Manual

5 - 74
ENG
CRANKCASE
EAS00418
ASSEMBLING THE CRANKCASE
1. Lubricate:
• bearings
• oil seals
2. Install:
• bearings
• bearing retainer
1
(to the right crankcase)
• bearing retainer bolts
NOTE:
Install the bearing retainer with the “OUT”
mark
a
facing up.
3. Thoroughly clean all the gasket mating sur-
faces and crankcase mating surfaces.
Recommended lubricant
Bearing
Engine oil
Oil seal
Lithium-soap-based grease
New
1
a
T
R
.
.
10 Nm (1.0 m · kg, 7.2 ft · lb)
LT
4. Apply:
• Yamaha bond No. 1215
1
(to the mating surfaces of both crankcase
halves)
NOTE:
_
Do not allow any sealant to come into contact
with the oil gallery.
5. Install:
• dowel pins
• O-rings
Yamaha bond No. 1215
90890-85505
1
New

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