ENGINE SPECIFICATIONS
Rocker Arm
Item Model
12
Model
2-12
Clearance between rocker
0.Q16
to 0.068 mm
0.Q16
to 0.068 mm
arm and bushing
(0.00063 to 0.00268 in.) (0.00063 to 0.000268 in.)
Rocker arm shaft
0.
D.
10.473
to 10.484 in.
10.473
to 10.484 mm
(0.41232 to
0.41276
in.) (0.41232 to
0.41276
in.)
Rocker arm bushing
I.D.
10.500
to
10.541
mm 10.500 to
10.541
mm
(0.41339 to
0.41500 in.) (0.41339 to 0.41500 in.)
Camshaft
Camshaft alignment
0.Q1
mm
0.Q1
mm
(0.0004 in.) (0.0004 in.)
Cam height (IN., EX.)
26.88 mm 26.88 mm
(1.0583 in.) (1.0583 in.)
Oil clearance of camshaft
0.050 to
0.091
mm 0.050 to
0.091
mm
(0.00197 to 0.00358 in.) (0.00197 to 0.00358 in.)
Camshaft journal
O.D.
32.934 to 32.950 mm
32.934 to 32.950 mm
(1.29662 to 1.29725 in.) (1.29662 to 1.29725 in.)
Camshaft bearing
I.D.
33.000
to 33.025 mm
33.000 to 33.025 mm
(1.29921 to
1.30020 in.)
(1.29921
to 1.30020 in.)
Timing Gear
Timing gear backlash
0.04 to
0.12
mm
0.04 to
0.12
mm
(0.0016 to 0.0047 in.) (0.0016 to 0.0047 in.)
Idle gear side clearance
0.20 to
0.51
mm 0.20 to
0.51
mm
(0.0079 to
0.0201
in.) (0.0079 to
0.0201
in.)
Clearance between idle gear
0.Q16
to 0.045 mm 0.020 to 0.054 mm
shaft and
idle gear bushiing (0.00063 to 0.00177 in.) (0.00079 to 0.00213 in.)
Idle gear shaft
O.D.
15.973
to 15.984 mm
19.967
to 19.980 mm
(0.62886 to 0.62929 in.) (0.78610 to
0.78661
in.)
Idle gear bushing I.D.
16.000
to
16.018
mm 20.000 to
20.021
mm
(0.62992 to
0.63063 in.) (0.78740 to 0.78823 in.)
Cylinder (Liner)
Cylinder (Liner) I.D.
64.000
to 64.019 mm
66.000 to
66.019
mm
(2.51969 to 2.52043 iin.
(2.59843 to 2.59917 in.)
Oversize of cylinder
liner
+0.5 mm +0.5 mm
(+0.020 in.) (+0.020 in.)
Piston/Piston Ring
Piston pin hole
I.D.
18.000 to
18.011
mm 18.000 to
18.011
mm
(0.79866 to
0.70910 in.) (0.79866 to 0.70910 in.)
Compression
0.085 to
0.112
mm 0.085 to
0.112
mm
Piston ring
ring
2
(0.00335 to
0.00441
in. (0.00335 to 0.00441 in.
clearance
0.02 to 0.06 mm 0.02 to 0.06 mm
Oil
Ring
(0.0008 to 0.0024 inL) (0.008 to 0.0024 in.)
Comprerssion
0.25 to 0.40 mm 0.25 to 0.40 mm
Ring gap
ring
1,2
(0.0098 to 0.0157 in.)
(0.0098 to 0.0157 in.)
Oil ring
0.20 to 0.40 mm 0.20 to 0.40 mm
(0.0079 to 0.0157 in.)
(0.0079 to 0.0157 in.)
Oversize of piston rings
+0.5 mm +0.5 mm
(+0.020 in.) (+0.020 in.)
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