SPECIFICATIONS
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Engine oil:Type: SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
Recommended engine oil grade: API service SE, SF, SG type or higher
Engine oil quantity: Without oil filter element replacement:2.50 L (2.64 US qt) (2.19 Imp.qt)
With oil filter element replacement: 2.60 L (2.73 US qt) (2.26 Imp.qt)
Total amount (dry engine): 2.90 L (3.07 US qt) (2.55 Imp.qt)
Cooling system:Radiator capacity (including all routes): 1.2 L (1.26 US qt) (1.05 Imp.qt) (Radiator) +
0.5 L (0.52 US qt) (0.44 Imp.qt)
(Coolant reservoir)
Coolant reservoir capacity (up to the
maximum level mark): 0.50 L (0.52 US qt) (0.44 Imp.qt)
From low to full level: 0.30 L (0.32 US qt) (0.26 Imp.qt)
Air filter:Air filter element:Paper
Fuel:Recommended fuel:Premium unleaded gasoline only
Fuel tank capacity: 23.0 L (6.07 US gal) (5.06 Imp.gal)
Fuel reserve amount: 6.7 L (1.76 US gal) (1.46 Imp.gal)
Fuel injection:Manufacturer:DENSO
Model: 297500-0390
Spark plug:Manufacturer/model:NGK/CR7EGap:0.7-0.8 mm (0.028-0.032 in)
Clutch:Clutch type:Wet, multiple-disc
Transmission:Primary reduction system:Spur gear
Primary reduction ratio: 75/36 (2.083)
Secondary reduction system: Chain drive
Secondary reduction ratio: 45/15 (3.00)
Transmission type: Constant mesh 5-speed
Dimensions:Overall length:2246 mm (88.42 in)
Overall width: 864 mm (34.01 in)
Overall height: 1477 mm (58.14 in)
Seat height: 896 mm (35.27 in)
Wheelbase: 1500 mm (59.05 in)
Ground clearance: 260 mm (10.23 in)
Minimum turning radius: 1958 mm (77.08 in)
Basic weight:With oil and fuel:208.5 kg (459 lb)
Engine:Engine type:Liquid cooled 4-stroke, SOHC
Cylinder arrangement: Forward-inclined single cylinder
Displacement: 660.0 cm
3(40.27 cu.in)
Bore x stroke: 100.0 x 84.0 mm (3.94 x 3.31 in)
Compression ratio: 10.00 : 1
Starting system: Electric starter
Lubrication system: Dry sump
-20 -10 0 10 20 30 40 50 °C
SAE 10W-30
SAE 10W-40
SAE 20W-40
SAE 20W-50
SAE 15W-40
XT660Z 07-10 ING 11-03-2008 8:33 Pagina 6
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INDEX
AAir filter element, cleaning the check hose....................................6-14
Air filter element, replacing ..............6-14
Anti-theft alarm (optional)...................3-8
Auxiliary light bulb, replacing............6-35
B Battery ..............................................6-30 To access the battery ...................6-30
To charge the battery....................6-30
To store the battery.......................6-31
Brake and clutch levers, checking and lubricating ...............6-26
Brake fluid ........................................6-22 Changing ......................................6-23
Checking fluid level .......................6-22
Brake lever .......................................3-11
Brake pads, checking .......................6-21
Brake pedal ......................................3-11 Lubricating ....................................6-27
C Cables, checking and lubricating .....6-25
Care and storage ...............................7-1
Catalytic converter ...........................3-13
Checking and lubricating the brake and clutch levers .................6-26
Checking and lubricating the brake pedal ...................................6-27
Checking and lubricating the cables ...........................................6-25 Checking and lubricating the
sidestand ......................................6-27
Checking and lubricating the throttle grip and cable ...................6-26
Checking the sidestand switch .........3-18
Clock mode ........................................3-7
Clutch lever ......................................3-10
Clutch lever free play, adjusting .......6-20
Consumer information ........................9-1
Controls and instruments ...................2-3
Function ..........................................3-1
Coolant .............................................6-12
Coolant temperature warning light .....3-4
D Description .........................................2-1 Controls and instrument .................2-3
Left view..........................................2-1
Right view .......................................2-2
Dimmer switch....................................3-9
Drive chain, cleaning and lubricating .....................................6-25
Drive chain slack ..............................6-23 Adjusting .......................................6-23
Checking .......................................6-23
Cleaning and lubricating ...............6-25
E Engine break-in ..................................5-3
Engine idling speed, adjusting .........6-15
Engine oil and oil filter element ..........6-9
Engine oil filter element....................6-10 Engine stop switch .............................3-9
Engine trouble warning light...............3-4
F Front fork ..........................................3-15 Adjusting .......................................3-15
Checking .......................................6-28
Front wheel ......................................6-36 Installing........................................6-37
Removing......................................6-36
Fuel ..................................................3-12
Fuel consumption, tips for reducing ...5-3
Fuel meter ..........................................3-7
Fuel tank breather hose ...................3-13
Fuel tank cap ...................................3-11
Fuses, replacing ...............................6-31
H Handlebar switches ............................3-9 Dimmer switch ................................3-9
Engine stop switch ..........................3-9
Hazard switch ...............................3-10
Horn switch .....................................3-9
Pass switch .....................................3-9
Start switch .....................................3-9
Turn signal switch ...........................3-9
Headlight bulb, replacing..................6-33
High beam indicator light ...................3-4
Horn switch ........................................3-9
I Identification numbers ........................9-1
Idling speed, checking .....................6-15
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