| ITEM |
|
STANDARD |
LIMIT |
| Valves and
Guides |
|
|
|
| Valve diamater |
IN |
30
(1.18) |
|
|
EX |
26
(1.02) |
|
| Valve lift |
IN |
8.5 (0.33) |
|
|
EX |
8.5 (0.33) |
|
| Valve clearance -cold |
IN. & EX |
0.08-0.13 (0.003-0.005) |
|
| Valve guide to valve stem clearance |
IN |
0.020-0.047 (0.0008-0.0019) |
0.35 (0.014) |
|
EX |
0.035-0.062 (0.0008-0.0019) |
0.35 (0.014) |
| Valve guide I.D. |
IN. & EX. |
5.500-5.512 (0.2165-0.2170) |
|
| Valve stem O.D. |
IN |
5.465-5.480 (0.2152-0.2157) |
|
|
EX |
5.450-5.465 (0.2152-0.2157) |
|
| Valve stem runout |
IN. & EX |
|
0.05 (0.002) |
| Valve head thickness |
IN. & EX |
|
0.5
(0.02) |
| Valve stem end length |
IN. & EX |
|
4.0
(0.16) |
| Valve seat width |
IN. & EX. |
0.9-1.1 (0.035-0.043) |
|
| Valve head radial runout |
IN. & EX. |
|
0.03 (0.001) |
| Valve spring free length |
INNER |
|
38.3 (1.51) |
|
OUTER |
|
40.1 (1.58) |
| Valve spring tension |
INNER |
6.51-7.49kg(14.35-16.51 lbs) |
|
|
|
at length 32.5 mm (1.28 in) |
|
|
OUTER |
12.09-13.91kg (26.65-30.67 lbs) |
|
|
|
at length 36.0 mm (1.42 in) |
|
|
|
|
|
|
|
|
|
ITEM
|
|
STANDARD
|
LIMIT
|
| CAMSHAFT + CYLINDER HEAD
|
|
|
|
| Cam height |
IN |
35.954-35.994(1.4155-1.4171) |
35.660(1.4039) |
|
EX |
36.919-36.959(1.4155-1.4171) |
35.660(1.4039) |
| Camshaft journal oil clearance |
|
0.032-0.066(0.0013-0.0026) |
0.150 |
| Camshaft journal holder I.D. |
No.1 Left side |
20.012-20.025 |
|
|
No.2 Right side |
(0.7879-0.7884) |
|
|
No.1 Right side |
25.012-25.025 |
|
|
No.2 Left side |
(0.9847-0.9852) |
|
| Camshaft journal O.D.
|
No.1 Left side |
19.959-19.980 |
|
|
No.2 Right side |
(0.7858-0.7866) |
|
|
No.1 Right side |
24.959-24.980 |
|
|
No.2 Left side |
(0.9826-0.9835) |
|
| Camshaft runout |
|
|
0.10 (0.004) |
| Cam chain 20-pitch length |
|
|
128.9 (5.07) |
| Rocker arm I.D |
IN. & EX. |
12.000-12.018 |
|
|
|
(0.4724-0.4731) |
|
| Rocker arm shaft O.D |
IN. &
EX. |
11.966-11.984 |
|
|
|
(0.4711-0.4718) |
|
| Cylinder head distortion
|
|
|
0.05 (0.002) |
| Cylinder head cover distortion |
|
|
0.05 (0.002) |
|
|
|
|
ITEM
|
|
STANDARD
|
LIMIT
|
| CYLINDER + PISTON + PISTON RING |
|
|
|
| Compression pressure |
|
1 300- 1 600 kPa |
1 300- 1 600 kPa |
| |
|
(13-16 kg/cm2) |
11 kg/cm2 |
|
|
(185-228psi) |
(156psi) |
| Compression pressure difference |
|
|
200 kPa(2 kg/cm2)(28
psi) |
| Piston to cylinder clearance |
|
0.045-0.055 (0.0018-0.0022) |
0.120(0.0047) |
| Cylinder bore |
|
83.000-83.015 |
83.085 |
|
|
(3.2677-3.2683 |
(3.2711) |
| Piston diam. |
|
82.950-82.965 |
82.880 |
| Measure at 15 mm (0.6 in) from the skirt end. |
|
(3.2657-3.2663) |
(3.2630) |
| Cylinder distortion |
|
|
0.05
(0.002) |
| Piston ring free end gap |
1st
Approx |
10.5 (0.413) |
8.4 (0.331) |
|
2nd
Approx |
11.8 (0.465) |
9.4 (0.370) |
| Piston ring end gap |
1st |
0.20-0.35(0.008-0.014) |
0.70(0.028) |
|
2nd |
0.20-0.35(0.008-0.014) |
0.70(0.028) |
| Piston ring groove clearance |
1St |
|
0.180 (0.007) |
|
2nd
|
|
0.150 (0.006) |
| Piston ring groove width
|
1st |
1.01-1.03 |
|
|
|
(0.0398-0.0406) |
|
|
2nd |
1.21-1.23 |
|
|
|
(0.0476-0.0484) |
|
|
Oil |
2.51-2.53 |
|
|
|
(0.0988-0.0996) |
|
| Piston ring thickness
|
1St |
0.970-0.990 |
|
|
|
(0.0382-0.0390) |
|
|
2nd |
1.170-1.190 |
|
|
|
(0.0461-0.0469) |
|
| Piston pin bore |
|
20.002-20.008 |
20.030 |
|
|
(0.7875-0.7877) |
(0.7886) |
| Piston pin O.D. |
|
19.996-20.000 |
19.980 |
|
|
(0.7827-0.7874) |
(0.7866) |
|
|
|
|
ITEM
|
|
STANDARD
|
LIMIT
|
| CONROD +
CRANKSHAFT |
|
|
|
| Corod small end I.D. |
|
20.010-20.018 |
20.040 |
|
|
(0.7878-0.7881) |
(0.7890) |
|
|
|
|
| Conrod big end side |
|
0.10-0.20 |
0.30 |
| clearance |
|
(0.004-0.010) |
(0.012) |
|
|
|
|
| Conrod big end width |
|
21.95-22.00 |
|
|
|
(0.864 -
0.866) |
|
|
|
|
|
| Crank pin width |
|
22.10-22.15 |
|
|
|
(0.870-0.872) |
|
|
|
|
|
| Conrod big end oil |
|
0.024-0.042 |
0.080 |
| clearance |
|
(0.0009-0.0017) |
(0.0031) |
|
|
|
|
| Crank pin OD. |
|
40.982-41.000 |
|
|
|
(1.6135-1.6142) |
|
|
|
|
|
| Crankshaft journal oil |
|
0.020-0.050 |
0.080 |
| clearance |
|
(0.0008-0.0020) |
(0.0031) |
|
|
|
|
| Crankshaft journal O.D. |
|
47.965-47.980 |
|
|
|
|
|
|
|
(1.8884-1.8890) |
|
| Crankshaft thrust bearing |
|
1.925 - 2.1 75 |
|
| thickness |
|
(0.0758-0.0856) |
|
|
|
|
|
| Crankshaft thrust clearance |
|
0.05-0.10 |
|
|
|
(0.0020-0.0040) |
|
| Crankshaft runout |
|
|
0.05 (0.002) |
|
|
|
|
ITEM
|
|
STANDARD
|
LIMIT
|
| OIL PUMP |
|
|
|
| Oil pump reduction ratio
|
|
1.859 (71/42 x 32/29) |
|
|
|
|
|
| Oil pressure |
at 3 000 r/min. |
Above 350 kPa |
|
| (at 600C,1400F) |
|
(3.5 kg/cm2, 50 psi) |
|
|
at 3 000 r/min. |
Below 650 kPa |
|
|
|
(6.5 kg/cm2, 92 psi) |
|
|
|
|
|
| CLUTCH
|
|
|
|
| Clutch cable play |
|
4 (0.2) |
|
| Clutch release screw |
|
¼ -½ turn back |
|
| Drive plate thickness |
No 1 |
2.65-2.95 |
|
|
|
(0.104-0.116) |
|
|
No 2 |
3.45-3.55 |
|
|
|
(0.136-0.140) |
|
| Driven plate distortion |
|
|
0.10(0.004) |
| Clutch spring free length |
No 1 |
24.6 (0.97) |
|
|
No 2 |
23.3 (0.92) |
|
|
|
|
|
|
|
|
|