| Item |
Standard |
Limit |
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| Timing chain |
|||||
| Valve clearance mm |
Intake |
0.10 |
- |
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| Exhaust |
0.15 |
- |
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| Timing gear and balance shaft |
|||||
| Idler LH gear bushing to idler A shaft clearance mm |
0.020 - 0.054 |
0.10 |
|||
| Idler gear bushing to idler shaft clearance mm |
0.025 - 0.066 |
0.10 |
|||
| Oil pump drive gear shaft to oil pump body to cover
clearance mm |
0.03 - 0.05 |
0.15 |
|||
| Oil pump side clearance mm |
0.02 - 0.06 |
0.10 |
|||
| Oil pump tip clearance mm |
0.15 - 0.26 |
0.27 |
|||
| Balance shaft to rear bearing clearance mm |
0.070 - 0.136 |
- |
|||
| Balance gear shaft RH and oil pump backlash mm |
0.040 - 0.192 |
- |
|||
| Oil pump gear and crankshaft gear backlash mm |
0.098 - 0.158 |
- |
|||
| Crankshaft gear and idler gear backlash mm |
0.082 - 0.142 |
- |
|||
| Idler gear and idler gear LH backlash mm |
0.040 - 0.196 |
- |
|||
| Idler gear LH and ibalance shaft gear LH backlash mm |
0.040 - 0.222 |
- |
|||
| Idler gear and idler gear B backlash mm |
0.096 - 0.156 |
- |
|||
| Balance shaft LH,RH end play mm |
0.09 - 0.24 |
0.3 |
|||
| Idler gear/sprocket assembly end play mm |
0.05 - 0.20 |
0.3 |
|||
| Idler gear LH assembly end play mm |
0.05 - 0.20 |
0.3 |
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| Cylinder head and valves |
|||||
| Flatness of gasket surface mm *Grinding is not suitable for correction. |
0.03 |
*0.2 |
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| Cylinder head overall height mm |
128 |
- |
|||
| Valve stem diameter mm |
Intake |
6.560 - 6.585 |
- |
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| Exhaust |
6.530 - 6.560 |
- |
|||
| Valve overall height mm |
Intake |
115.4 |
114.9 |
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| Exhaust |
115.4 |
114.9 |
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| Valve face angle |
43.25° - 43.75° |
- |
|||
| Valve thickness of valve head mm (margin) |
1.0 |
0.5 |
|||
| Valve stem-to guide clearance mm |
Intake |
0.025 - 0.058 |
0.10 |
||
| Exhaust |
0.050 - 0.088 |
0.15 |
|||
| Valve spring free height mm |
51.3 |
50.3 |
|||
| Valve spring load/installed height N/mm |
255 / 39.5 |
- |
|||
| Valve spring cut-of-squareness |
2° or less |
Max. 4° |
|||
| Valve seat contact width mm |
1.8 - 2.2 |
- |
|||
| Valve stem projection mm |
17.0 - 17.5 |
- |
|||
| Piston and connecting rod |
|||||
| Piston pin to connecting rod bushing clearance mm |
0.03 - 0.05 |
||||
| Piston pin to piston clearance mm |
0.007 - 0.021 |
||||
| Piston out diameter mm |
98.5 |
- |
|||
| Piston ring-to-ring groove clearance
mm |
No. 1 ring |
0.110 - 0.160 |
0.20 |
||
| No. 2 ring |
0.065 - 0.105 |
0.15 |
|||
| Oil ring |
0.025 - 0.065 |
0.10 |
|||
| Piston ring end gap mm |
No. 1 ring |
0.20 - 0.30 |
0.8 |
||
| No. 2 ring |
0.20 - 0.30 |
0.8 |
|||
| Oil ring |
0.30 - 0.50 |
0.8 |
|||
| Connecting rod big end side clearance mm |
0.10 - 0.25 |
0.40 |
|||
| Connecting rod baring oil clearance mm |
0.028 - 0.056 |
0.1 |
|||
| Crankshaft and cylinder block |
|||||
| Crankshaft end play mm |
0.10 - 0.28 |
0.4 |
|||
| Main bearing main bearing to crankshaft
clearance mm |
No.1,2,4,5 |
0.028 - 0.056 |
0.1 |
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| No.3 |
0.068 - 0.096 |
0.1 |
|||
| The distortion of the cylinder block surface mm |
0.05 |
0.1 |
|||
| Upper crankcase cylinder inner diameter mm |
98.50 - 98.53 |
0.015 |
|||
| Piston-to-cylinder clearance mm |
0.114 - 0.133 |
- |
|||
| Crankshaft baring free span mm |
- |
Max.73.2 |
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