Honda XR100R User Manual

CYLINDER/PISTON
Do not dama(}8 roo Remove the pis t on rings.
pisron rings during
removal.
CYLINDER/PISTON INSPECTION
8-4
CYLINDER
Inspect t he cyli nder bore for wear or dllmage.
Measure the c ylinder 1. 0. in X and Y axis at th ree
levels.
Take
the max i mum reading to determine I he
cy li nder wear.
SERVICE UMIT:
XR100R: S3.1 mm 12.09 in )
XR80R: 47.6 mm (1.87 in l
Calculate
the piston-to-cy li nder clearance.
Take
a ma ~i mum readi ng to dete rm in e t he
clearance.
Relerto page 8·5 for measurement of Ihe piston 0.0.
SERVICE UMIT: 0.10 mm 10. 004 In)
Ca lculate the taper and OUI of round at three levels
in X
and Y a~is . Take the maximum reading to
determ ine th em .
SERVICE UMIT :
Taper: 0.10 rnm (0.004 in)
Out of round: 0.10 rnm 10.004 in)
The cylinder
must be rebored and an OVerSile pis ton
fitted if the service lim its /Ire e~ceeded.
The followi ng overs i le pist ons /Ire avaiabl e:
XRID OR; 0.25 mm 10.0 10 in)
0.50 mm 10 .020 inl
XR80R· 0.25 mm (0.010 in)
0.50 mm 10.020 in)
0.75
mm 10.030 in)
1.00 mm (0.039 in)
The pist
on · lo - cylinder clearance for the overSize
piston must be: 0.010 - 0.040 mm 10 .0004 _ 0.0016
in)
[(\Spect the lap of the C'; li nder la , "",upage .
SERVICE LIMIT: 0
.1 0 rnm 10 .004 in )
," SODNR I NG
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TOP
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M IDDLE
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B OTTOM

Honda XR100R Specifications

General

Brand	Honda
Model	XR100R
Category	Motorcycle
Language	English