2002 YAMAHA YFM660R height

5-5
EBU00990
Front and rear brakes
Brake lever and brake pedal

Check that there is no free play in the brake le-
ver. If there is free play, have a Yamaha dealer
adjust it. Check for correct brake pedal height.
If the pedal height is incorrect, have a Yamaha
dealer adjust it. (See pages 8-67 ~ 8-69.)


Check the operation of the lever and pedal.
They should move smoothly and there should
be a firm feeling when the brakes are applied. If
not, have the machine inspected by a Yamaha
dealer.
Brake fluid level


Check the brake fluid level. Add fluid if neces-
sary. (See page 8-61.)
Recommended brake fluid: DOT 4
U5LP61.book Page 5 Monday, August 27, 2001 3:49 PM

8-69 a. Brake pedal position
a. Position de la pédale de frein
a. Posición del pedal del freno
EBU00952
Rear brake adjustment
Pedal height adjustmentThe top of the brake pedal should be positioned
4 mm below the top of the footboard. If not, ask a
Yamaha dealer to adjust it.
WARNING
_ Operating with improperly serviced or adjust-
ed brakes could cause loss of braking ability,
which could lead to an accident.
After servicing:

Make sure the brakes operate smoothly
and that the brake pedal position is cor-
rect.


Make sure the brakes do not drag.


Make sure the brakes are not spongy. All
air must be bled from the brake system.
Replacement of brake components requires
professional knowledge. These procedures
should be performed by a Yamaha dealer.
_
U5LP61.book Page 69 Monday, August 27, 2001 3:49 PM

10-1
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SPECIFICATIONS
MODEL YFM660R
Dimension:
Overall length
Overall width
Overall height
Seat height
Wheel base
Ground clearance
Minimum turning radius1,830 mm
1,100 mm
1,150 mm
860 mm
1,245 mm
265 mm
3,300 mm
Basic weight:
With oil and full fuel tank 193 kg
Engine:
Type
Cylinder arrangement
Displacement
Bore
× stroke
Compression ratio
Starting system
Lubrication systemLiquid-cooled, 4-stroke, SOHC
Forward inclined single cylinder
660 cm
3
100
× 84 mm
9.2 : 1
Electric starter
Dry sump
U5LP61.book Page 1 Monday, August 27, 2001 3:49 PM