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Technical Data – Front Wheel Brake
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Engine
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X 12 XE 1) , Z 12 XE 1) , Z 14 XEP 1)
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X 12 XE 2) , Z 12 XE 2) , Z 14 XEP 2) , X 16 SZR, Z 16
SE, X 14 XE, Z 14 XE, X 16 XEL, Z 16 XE, X 18 XE1 3) , Z 18 XE 3) , X 17 DTL, Y 17 DT, X
20 DTL 3)
, Y 20 DTH 3) , Y 20 DTL 3)
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Brake calliper
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Piston diameter
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mm
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48.0
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52.0
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Brake disc
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Outside diameter
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mm
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256.0
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256.0
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Thickness new
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mm
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11.0
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24.0
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Permissible remaining thickness after precision turning
4)
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mm
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9.0
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22.0
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Minimum thickness
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mm
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8.0
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21.0
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Permissible runout
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mm
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0.11
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0.11
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Permissible score depth
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mm
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0.4
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0.4
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Non-uniform thickness (permissible tolerance)
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mm
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0.01
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0.01
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Engine
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X 18 XE1 5) , Z
18 XE 5) ,
X 20 XEV, Z 22 SE, X 20 DTL 5) , Y 20 DTH 5) , Y 20 DTL 5)
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X 20 XER, Z 20 LET
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Brake calliper
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Piston diameter
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mm
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57.0
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57.0
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Brake disc
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Outside diameter
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mm
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280.0
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308.0
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Thickness new
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mm
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25.0
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25.0
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Permissible remaining thickness after precision turning
4)
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mm
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23.0
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23.0
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Minimum thickness
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mm
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22.0
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22.0
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Permissible
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mm
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0.11
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0.11
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Permissible score depth
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mm
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0.4
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0.4
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Non-uniform thickness (permissible tolerance)
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mm
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0.01
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0.01
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Engine
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X 12 XE 1) , Z 12 XE 1) , Z 14 XEP 1)
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X 12 XE 2) , Z 12 XE 2) , Z 14 XEP 2) , X 16
SZR, Z 16 SE, X 14 XE, Z 14 XE, X 16 XEL, Z 16 XE, X 18 XE1 3) , Z 18
XE 3) ,
X 17 DTL, Y 17 DT, X 20 DTL 3) , Y 20 DTH 3) , Y 20 DTL 3)
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Brake linings
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Thickness without lining plate – new
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mm
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12.0
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12.0
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Permissible remaining thickness without lining plate
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mm
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2.0
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2.0
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Engine
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X 18 XE1 5)
, Z 18 XE 5) , X 20 XEV, Z 22 SE, X 20 DTL 5) , Y 20 DTH 5) , Y 20 DTL
5)
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X 20 XER, Z 20 LET
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Brake linings
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Thickness without lining plate – new
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mm
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14.0
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14.0
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Permissible remaining thickness without lining plate
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mm
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2.0
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2.0
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1 ) Except Germany
2 ) Only for Germany
3 ) Without ABS
4 ) When this dimension has been attained, new
brake linings may only be installed once more in accordance with
the minimum thickness.
5 ) With ABS
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