Yamaha XT660X 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 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