Honda EU10iT1, Manual

Page: 124 / 138

15-9
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CYLINDER BLOCK
PISTON-TO-CYLINDER CLEARANCE
Subtract the piston skirt O.D. from the cylinder sleeve
I.D. to obtain the piston-to-cylinder clearance.
If the calculated clearance is more than the service
limit, replace the piston and recheck the clearance.
If the clearance is still more than the service limit with a
new piston, replace the cylinder block.
PISTON PIN BORE I.D.
Measure and record the piston pin bore I.D. of the
piston.
If the measurement is more than the service limit,
replace the piston.
PISTON PIN O.D.
Measure and record the piston pin O.D. at three points
(both ends and middle). Take the minimum reading to
determine piston pin O.D.
If the measurement is less than the service limit,
replace the piston pin.
PISTON PIN-TO-PISTON PIN BORE
CLEARANCE
Subtract the piston pin O.D. from the piston pin bore
I.D. to obtain the piston pin-to-piston pin bore
clearance.
If the calculated clearance is more than the service limit,
replace the piston pin and recheck the clearance.
If the clearance is still more than the service limit with a
new piston pin, replace the piston.
Except GW1 TYPE:
STANDARD: 0.010 – 0.045 mm
(0.0004 – 0.0018 in)
SERVICE LIMIT: 0.120 mm (0.0047 in)
GW1 TYPE:
STANDARD: 0.010 – 0.069 mm
(0.0004 – 0.0027 in)
SERVICE LIMIT: 0.120 mm (0.0047 in)
STANDARD: 10.002 – 10.018 mm
(0.3938 – 0.3944 in)
SERVICE LIMIT: 10.050 mm (0.3957 in)
STANDARD: 9.994 – 10.000 mm
(0.3935 – 0.3937 in)
SERVICE LIMIT: 9.950 mm (0.3917 in)
STANDARD: 0.002 – 0.024 mm
(0.0001 – 0.0009 in)
SERVICE LIMIT: 0.100 mm (0.0039 in)