Mash Seventy - Cylinder + Piston + Piston Ring

Chapter 8 Information service Section 4 Service data
8-21
CYLINDER + PISTON + PISTON RING
Unit:mm
ITE
M
STANDARD LIMIT
Compression pressure
1000—1500kpa
（10．0—15．0kg/cm2）
800 kpa
（8kg/cm2）
Piston to cylinder clearance
0．020—0．030 0．120
Cylinder bore
57．000—57．015 57．110
Piston diam.
56．975—56．990
(Measure at 12mm from the skirt end)
（12mm）
56．880
Cylinder or cylinder head distortion
———
0．05
Free state piston ring
opening clearance
1st R
about 7．0 5．6
2nd R
about 8．5 6．8
Piston ring opening clearance
1st
0．10—0．25 0．50
2nd
0．10—0．25 0．50
Piston ring to ring groove
clearance
1st ——
0．180
2nd ——
0．150
Piston ring groove width
1st
1．21—1．23
——
2nd
1．21—1．23
——
Oil
2．51—2．53
——
Piston ring thickness
1st
1．175—1．190
——
2nd
1．170—1．190
——
The piston pin hole
14．002—14．008 14．030
Outer diameter of piston pin
13．994—14．002 13．982
EI SYSTEM PARTSEI
ITEM
N ·
m
kgf · m
Engine Coolant
temperature sensor (CLT sensor)（CLT ）
5 ~ 8
0．5
~
0．8
Fuel injector mounting bolt
5 ~ 8
0．5
~
0．8
MAP&IAT sensor
5 ~ 8
0．5
~
0．8