Yamaha XT660R S Service Manual page 40

Item
Front brakes
Brake type
Operation
Recommended fluid
Brake discs
Diameter × thickness
Minimum thickness
Maximum deflection
Pad thickness
Pad thickness
Master cylinder inside diameter
Caliper cylinder inside diameter
Rear brake
Brake type
Operation
Brake pedal position (below the top
of the rider footrest)
Recommended fluid
Brake discs
Diameter × thickness
Minimum thickness
Maximum deflection
Pad thickness
Pad thickness
Master cylinder inside diameter
Caliper cylinder inside diameter
CHASSIS SPECIFICATIONS
Single-disc brake
Right-hand operation
DOT 4
298.0 × 4.5 mm (11.73 × 0.18 in)
(XT660R)
320.0 × 4.5 mm (12.60 × 0.18 in)
(XT660X)
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inner 4.1 mm (0.16 in) (XT660R)
5.2 mm (0.20 in) (XT660X)
outer 4.1 mm (0.16 in) (XT660R)
5.2 mm (0.20 in) (XT660X)
12.7 mm (0.50 in)
32.00 mm × 1 (1.26 in × 1) and
30.00 mm × 1 (1.18 in × 1) (XT660R)
34.00 mm × 2 (1.34 in × 2) and
30.00 mm × 2 (1.18 in × 2) (XT660X)
Single-disc brake
Right-foot operation
12.0 mm (0.47 in)
DOT 4
245 × 5.0 mm (9.65 × 0.20 in)
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inner 5.5 mm (0.22 in)
outer 5.5 mm (0.22 in)
12.7 mm (0.50 in)
34.00 mm × 1 (1.34 in × 1)
http://manuals.magnamaniac.com
2 - 13
Standard
SPEC
Limit
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4.0 mm
(0.16 in)
0.15 mm
(0.006 in)
1.0 mm
(0.04 in)
1.0 mm
(0.04 in)
1.0 mm
(0.04 in)
1.0 mm
(0.04 in)
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4.5 mm
(0.18 in)
0.15 mm
(0.006 in)
1.0 mm
(0.04 in)
1.0 mm
(0.04 in)
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