SPEC
MAINTENANCE SPECIFICATIONS
POWER UNIT
Item
CYLINDER HEAD
Warpage limit
(lines indicate straightedge
position)
CYLINDERS
Bore size
Wear limit
Taper limit
Out-of-round limit
PISTON
Piston side "D"
Measuring point "H"
Piston-cylinder clearance
<Limit>
Oversize piston
diameter
Pin boss inside diameter
PISTON PINS
Outside diameter
PISTON RING (1st)
Type
(B)
(T)
End gap
(installed)
<Limit>
Side clearance
<Limit>
MAINTENANCE SPECIFICATIONS
Unit
Worldwide
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
1st
mm (in)
2nd
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
25BMH
72.00 - 72.02 (2.8346 - 2.8354)
72.10 (2.8386)
0.08 (0.0031)
0.05 (0.0020)
71.94 - 71.96 (2.8323 - 2.8331)
10.0 (0.3937)
0.060 - 0.065 (0.0024 - 0.0026)
0.1 (0.0039)
72.25 (2.8445)
72.50 (2.8543)
19.904 - 19.915 (0.7836 - 0.7841)
19.895 - 19.900 (0.7833 - 0.7835)
0.20 - 0.35 (0.0079 - 0.0137)
0.55 (0.022)
0.03 - 0.07 (0.001 - 0.003)
0.07 (0.003)
2-3
Model
30HMH
0.1 (0.004)
Keystone
2.0 (0.079)
3.0 (0.118)
E