Yamaha XT660R S Service Manual

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ELEC
CHECKING THE BULBS AND BULB SOCKETS
EAS00732
CHECKING THE BULBS AND
BULB SOCKETS
Check each bulb and bulb socket for damage
or wear, proper connections, and also for con-
tinuity between the terminals.
Damage/wear
→
Repair or replace the
bulb, bulb socket or both.
Improperly connected
→
Properly connect.
No continuity
→
Repair or replace the bulb,
bulb socket or both.
TYPES OF BULBS
The bulbs used on this motorcycle are shown
in the illustration on the left.
• Bulbs
A
and
B
are used for the headlights
and usually use a bulb holder that must be
detached before removing the bulb. The
majority of these types of bulbs can be
removed from their respective socket by
turning them counterclockwise.
• Bulb
C
is used for turn signal and tail/brake
lights and can be removed from the socket
by pushing and turning the bulb counter-
clockwise.
• Bulbs
D
and
E
are used for meter and indi-
cator lights and can be removed from their
respective socket by carefully pulling them
out.

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