Yamaha XT660X Service Manual

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CHAS
SWINGARM AND DRIVE CHAIN
5. Lubricate:
• drive chain
Recommended lubricant
Engine oil or chain lubricant
suitable for O-ring chains
6. Check:
• drive sprocket
• rear wheel sprocket
More than 1/4 tooth a wear → Replace the
drive chain sprockets as a set.
Bent teeth → Replace the drive chain
sprockets as a set.
b
Correct
1
Drive chain roller
2
Drive chain sprocket
EAS00711
INSTALLING THE SWINGARM
1. Lubricate:
• spacers
• dust covers
• pivot shaft
2. Install:
• bushings
1
• bearings
2
• spacers
3
(to swingarm)
Recommended lubricant
Lithium-soap-based grease
Installed depth of bearing
a
4 mm (0.16 in)
Installed depth of bushing
b
8 mm (0.31 in)
a
b
b
a
2
31 1
32

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