Yamaha XT660R S Service Manual

7 - 7
FI
FUEL INJECTION SYSTEM
EAS00905
DIAGNOSTIC MODE
Setting the diagnostic mode
1. Set the main switch to “OFF” and set the
engine stop switch to “”.
2. Disconnect the wire harness coupler from
the fuel pump.
3. Simultaneously press and hold the
“SELECT” and “RESET” buttons, turn the
main switch to “ON”, and continue to press
the buttons for 8 seconds or more.
NOTE:
_
All displays on the meter disappear “dIAG”
appears on the odometer/fuel reserve tripme-
ter/tripmeter 2 LCD.
4. Press the “SELECT” button to select the CO
adjustment mode “Co” or the diagnostic
mode “dIAG”.
5. After selecting “dIAG”, simultaneously press
the “SELECT” and “RESET” buttons for 2
seconds or more to execute the selection.
6. Set the engine stop switch to “”.
7. Select the diagnostic code number that
applies to the item that was verified with the
fault code number by pressing the
“SELECT” and “RESET” buttons.
NOTE:
_
The diagnostic code number appears on the
odometer/fuel reserve tripmeter/tripmeter 2
LCD (01-70).
• To decrease the selected diagnostic code
number, press the “SELECT” button. Press
the “SELECT” button for 1 second or longer
to automatically decrease the diagnostic
code numbers.
• To increase the selected diagnostic code
number, press the “RESET” button. Press
the “RESET” button for 1 second or longer to
automatically increase the diagnostic code
numbers.

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