SERVICING INFORMATION 7-15
SERVICE DATA
CYLINDER + PISTON + PISTON RING Unit: mm (in)
ITEM STANDARD LIMIT
Piston to cylinder clearance 0.065 – 0.075 0.120
(0.0026 – 0.0030) (0.0047)
Cylinder bore 41.000 – 41.015
41.065
(1.6142 – 1.6148)
(1.6167)
Measure at 20 mm (0.8 in) from the top surface.
Piston diam. 40.930 – 40.945
40.880
(1.6114 – 1.6120)
(1.6094)
Measure at 20 mm (0.8 in) from the top surface.
Cylinder distortion
———
0.05
(0.002)
Cylinder head distortion
———
0.05
(0.002)
Piston ring free end gap
R Approx.
4.5 3.6
1st
(0.18) (0.14)
T Approx.
4.5 3.6
(0.18) (0.14)
R Approx.
4.1 3.3
2nd
(0.16) (0.13)
T Approx.
5.0 4.0
(0.20) (0.16)
Piston ring end gap 0.10 – 0.25 0.80
(0.004 – 0.010) (0.031)
Piston ring to groove clearance
1st
0.020 – 0.060
———
(0.0008 – 0.0024)
2nd
0.020 – 0.060
———
(0.0008 – 0.0024)
Piston pin bore 12.002 – 12.010 12.030
(0.4725 – 0.4728) (0.4736)
Piston pin O.D. 11.996 – 12.000 11.980
(0.4723 – 0.4724) (0.4717)
CONROD + CRANKSHAFT Unit: mm (in)
ITEM STANDARD LIMIT
Conrod small end I.D. 16.003 – 16.011 16.040
(0.6300 – 0.6304) (0.6315)
Conrod deflection
———
3.0
(0.12)
Crank web to web width 32.0 ± 0.1
———
(1.260 ± 0.004)
Crankshaft runout
———
0.05
(0.002)
OIL PUMP
ITEM SPECIFICATION
Oil pump reduction ratio 60.95 (53/20 × 23/1)
Oil pump discharge rate 0.6 – 0.8 ml
(Full open) (0.020/0.021 – 0.027/0.030 US/lmp oz)
for 5 minutes at 2 000 r/min.
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