Yamaha XT660R S Service Manual

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ENG
STARTER CLUTCH AND A.C. MAGNETO
EAS00346
REMOVING THE A.C. MAGNETO ROTOR
1. Remove:
• torque limiter cover
CAUTION:
Do not remove the bearing 1.
1
2. Remove:
• A.C. magneto cover
NOTE:
_
Loosen each bolt 1/4 of a turn at a time, in
stages and in a crisscross pattern. After all of
the bolts are fully loosened, remove them.
3. Remove:
• A.C. magneto rotor nut
1
• washer
NOTE:
_
• While holding the A.C. magneto rotor
2 with
the sheave holder 3, loosen the A.C. mag-
neto rotor nut.
• Do not allow the sheave holder to touch the
projection a on the A.C. magneto rotor.
4. Remove:
• A.C. magneto rotor 1
(with the flywheel puller 2)
• woodruff key
NOTE:
Use the rotor puller.
Sheave holder
90890-01701
Flywheel puller
90890-01362
1
3
2
a
2
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