Engine Maintenance Standards Table - Shibaura CM214 Workshop Manual

2-5 Engine Maintenance Standard Table
S773
Unit Part Inspection Items
Cylinder compression pressure
Cylinder head tightening torque
Distortion of cylinder head bottom
surface (mounting surface)
198V
Valve seat contact width
Liner type
Bore
Distortion on cylinder block top surface
Longer dia. at skirt
Clearance to cylinder
Clearance between piston pin hole and
pin
Pin outside dia.
Clearance between rod small end bush
and pin.
Clearance
piston ring groove and
ring
Ring width
Piston ring end gap
Dimension
2
MPa {kgf/cm }
N⋅m {kgf⋅m}
Intake
Exhaust
between Top ring
2nd ring
Oil ring
Top ring
2nd ring
Oil ring
Top ring
2nd ring
Oil ring
* Unit for values without unit in the column of inspection item is mm.
Standard
Standard
Assembling Value
More than 29.4
{30}
49 – 52
{5.0 – 5.3}
Less than 0.05
0.85 – 1.15
1.7 – 2.1
1.7 – 2.1
Wet type (incorporated type)
φ77 – 77.019
φ77
Less than 0.05
φ76.9325 –
φ77
76.9475
φ0.0525 –
0.0815
-0.004 - +0.006
φ20.998 –
21.002
0.008 – 0.023
0.06-0.10
0.05-0.09
0.02-0.06
2 1.97-1.99
1.5 1.47-1.49
4 3.97-3.99
0.20-0.35
0.2-0.35
0.15-0.35
61
Service
Repair Value
Limit
24.5 {25}
0.12
1.8
2.5
2.5
φ77.2 φ77.7
0.12
φ76.7
0.25
0.02
φ20.98
0.08
0.25
0.15
1.0
1.0
1.0
Remarks
Engine speed
at 200 rpm
Coat
Molycoat
grease.
Valve sheet
angle 45°
Oversize
(0.5)
Oversize
(0.5)
At 20°C
Oil clearance
Oversize
(0.5)