Subaru EX40 - Cylinder and Piston Dimensions

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ITEM STD Limit
CYLINDER
* Inner diameter
* Roundness after reboring
* Cylindricity after reboring
Standard
89.000 - 89.022
(3.5039 - 3.5040)
To be rebored when the
difference between max.
and min. of diameter
reached to 0.1 (0.004).
First reboring
89.250 - 89.272
(3.5138 - 3.5147)
Ditto
Second reboring
89.500 - 89.522
(3.5236 - 3.5245)
Ditto
Less than 0.01
(0.0004)
Less than 0.015
(0.0006)
PISTON
* Outer diameter at skirt in thrust direction
Standard
88.980 - 89.000
(3.5032 - 3.5039)
88.89
(3.4996)
Oversize
+0.25
89.230 - 89.250
(3.5130 - 3.5138)
89.14
(3.5095)
Oversize
+0.50
89.480 - 89.500
(3.5228 - 3.5236)
89.39
(3.5193)
Unit: mm (in.)