Page 108 of 2103
![MITSUBISHI SPYDER 1990  Service Repair Manual ENGINE  OVERHAUL 
Items Standard value
Piston  ring  end  gap  mm  (in.)
Piston  pin  O.D.  mm  (in.)
  0 . 8  
Oil  9 . 8  
21
Piston  pin  press-in  load  (Ibs.)
[Room  temperature]
Crankshaft  pin  MITSUBISHI SPYDER 1990  Service Repair Manual ENGINE  OVERHAUL 
Items Standard value
Piston  ring  end  gap  mm  (in.)
Piston  pin  O.D.  mm  (in.)
  0 . 8  
Oil  9 . 8  
21
Piston  pin  press-in  load  (Ibs.)
[Room  temperature]
Crankshaft  pin](/manual-img/19/57345/w960_57345-107.png)
ENGINE  OVERHAUL 
Items Standard value
Piston  ring  end  gap  mm  (in.)
Piston  pin  O.D.  mm  (in.)
  0 . 8  
Oil  9 . 8  
21
Piston  pin  press-in  load  (Ibs.)
[Room  temperature]
Crankshaft  pin  oil  clearance  mm  (in.)  17,500
Connecting  rod  big  end  side  clearance  mm  (in.)
Crankshaft,  flywheel  and  drive  plate
Bearing  cap  bolt  shank  length  mm  (in.)
  0 . 4  
Crankshaft  end  play  mm  (in.) 
Crankshaft  journal  O.D.  mm  (in.)  0 . 2 5  
57  (2.24)
  pin  O.D.  mm  (in.) 42 (1.77)
Crankshaft  journal  oil  clearance  mm  (in.)
  to  cylinder  clearance  mm  (in.)
  0 . 1  
  block  flatness  of  gasket  surface  mm  (in.)  0.05   0.1 
  block  grinding  limit  of  gasket  surface  mm  (in.)l 0.2‘Total  resurfacing  depth  of  both  cylinder  head  and  cylinder  block
  block  overall  height  mm  (in.)283.9-284.1
(11.177-11.185)
  block  I.D.  mm  (in.) 85.0 (3.35)
TSBRevision
REWORK  DIMENSIONS
Items
Cylinder  head  and  valve
Oversize  rework  dimensions  of  valve  guide0.05  O.S.
hole  (both  intake  and  exhaust)  mm  (in.) 0.25  O.S. 
0.50
Intake  oversize  rework 0.3
dimensions  of  valve  seat  hole  mm  (in.)
0.6  O.S.
Exhaust  oversize  rework  dimensions  of  valve 0.3  O.S.
seat  hole
mm  (in.)0.6 O.S.
Crankshaft,  flywheel  and  drive  plate
Crankshaft  out  of  roundness  and  taper  of  journal  an d  pin  mm  (in.)
Standard  value 
12.25-12.27  ,
,
Max.  0.01 
NOTE
O.D.: Outer diameter
I.D.:  Inner  diameter
  Oversize  diameter  
     
        
        Page 168 of 2103

ENGINE  OVERHAUL   and  Drive  Plate
  ,  Flywheel
Thrustdirection
BORING  CYLINDER
(1)  Oversize  pistons  to  be  used  should  be  determine d 
the  basis  of  the  largest  bore  cylinder.
Piston  size  identification
Size
0.50
1
NOTE
Identification  mark
1.00
Size  mark  is  stamped  on  piston  top,
(2)  Measure  outside  diameter  of  piston  to  be  used.  Measure
it  in  thrust  direction  as  shown.
(3)  Based  on  measured  piston  O.D.  calculate  boring 
dimension.
Boring  finish  dimension   Piston  O.D. 
(clearance  between  piston  O.D.  and  cylinder) 
0.02  mm   in.)  (honing  margin)
(4)  Bore  all  cylinders  to  calculated  boring  finish  dimension.
Caution
To  prevent  distortion  that  may  result  from  temperat ure
rise  during  honing,  bore  cylinders,  working 
(5)  Hone  to  final  finish  dimension 
between  piston  O.D.  and  cylinder).
(6)  Check  clearance  between  piston  and  cylinder.
Clearance  between  piston  and 
  mm   in.)
NOTE
When  boring  cylinders,  finish  all  of  four  cylinders   to  same.
oversize.Do  not  bore  only  one  cylinder  to  an 
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        Page 371 of 2103

ENGINE  OVERHAUL   Crankshaft,  Flywheel  and,   .  . 
INSPECTION11300880103
CRANKSHAFT  OIL  CLEARANCE 
(1)  Remove  oil  from  the  crankshaft 
bearing.
(2)  Install  the  crankshaft.
(3)  Cut  the 
  to  the  same  length  as  the   of
bearing  and  place  it  on 
  -with   axis;
(4)  Install  the  crankshaft  bearing  cap  carefully  an d  tighten
the  bolts 
  the  specified  torque.
(5)  Carefully  remove  the  crankshaft  bearing  cap.
(6)  Measure  the  width  of  the  Plastigage  at  its  wide st  part
by  using  a  scale  printed  on  the  Plastigage  package.
Standard  value: 
  mm   in.)
Limit:  0.1  mm 
  in.)
  BLOCK
(1)  Visually  check  for  scratches,  rust,  and  corrosi on.
Use  also  a  flaw  detecting  agent  for  the  check.  If  d efects
are  evident,  correct,  or  replace.
(2)  Using  a  straightedge  and  feeler  gauge,  check  th e  block
  top   for Make  sure  that  the  surface
is  free  from  gasket  chips  and  other  foreign  matter.
Standard  value:  0.05  mm 
  in.)
Limit:  0.1  mm 
  in.)
(3)  If  the  distortion  is  excessive,  correct  within  the  allowable
limit  or  replace.
Grinding  limit:  0.2  mm 
  in.)
Includes/combined  with  cylinder  head  grinding
Cylinder  block  height  (when  new):
  mm  (11.413-11.421  in.)
(4)Check  cylinder  walls  for  scratches  and  seizure.  If  defects
are  evident,  correct  (bored  to  oversize)  or  replace.
Center
Bottom
TSB  Revision
(5)  Using  cylinder  gauge,  measure  the  cylinder  bore   and
cylindricity. If worn badly, correct cylinder to an  oversize
and  replace  piston  and  piston  rings.  Measure  at  the 
points shown in illustration. 
Standard value: Cylinder  I.D.  86.50  mm  (3.4055  in.) 
Cylindricity  0.01  mm 
  in.)  or  less         
     
        
        Page 372 of 2103
  ENGINE  OVERHAUL   Crankshaft,  Flywheel  ‘and  ‘Drive  Plate
Thrustdirection
B O R I N G   C Y L I N D E R
(1)  Oversize  pistons  to  be  used  should   determined  on
the  basis  of  the  largest  bore 
Piston  size  identification
Size  mark
0.50
1
NOTE
Size  mark  is  stamped  on  piston  top.
(2)
 outside diameter of piston to be used. 
it  in  thrust  direction  as  shown.
(3)  Based  on  measured  piston  O.D.  calculate  boring 
Boring  finish  dimension 
  between  piston  O.D. 
0.02  mm   in.)  (honing  margin)
(4)  Bore  all  cylinders  to  calculated  boring  finish  dimension.
Caution
To  prevent  distortion  that  may  result  from  temperat ure
rise during honing, bore cylinders, working from 
2to  No.  4  to  No.  1  to  No.  3.
(5)  Hone  to  final  finish  dimension 
  clearance
between  piston  O.D.  and  cylinder).
(6) Check clearance between- piston and cylinder.
Clearance  between  piston  and  cylinder:
  mm   in.)
NOTE
When  boring  cylinders,  finish  all  of  four  cylinders   to  same
  Do not  bore  only  one  cylinder  to  an 
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        Page 1586 of 2103

WHEEL  AND  TIRE   General  Information
GENERAL’
Both  steel  type  and  aluminum  type  wheels  have
been  adopted.  The  typeof  wheel  used  depends
on  the  vehicle  model.
Item
W h e e l   T y p e A  compact  spare  tire  has  been  adopted  as  the
spare  tire  in  all  models.
  Medium  price 
ISteel
 High price
ISteelISteel
Tire
Spare
wheel
NOTE
l  :  optional  items
Item
FWD
W h e e l   T y p e
Size
 Premium price
.
Aluminum
Premium  price
AluminumAluminum type
17
 mm 46  (1.6)4646  (1.8)
Pitch diameter  mm (in.)114.3  (4.5) 114.3  (4.5)114.3  (4.5)
Tire Size
SteelSteel   l  .wheelSize
 .  . . . . . . 
  circle  diameter   mm  (in.)
mm46 (1.8)46  (1.8)46  (1.8)
  (4.5)114.3  (4.5) 114.3  (4.5)
Spare
  Size
ItemMedium  price Premium  price
WheelAluminum  type
Aluminum  type
Size
Amount  of  wheel  offset  mm  (in.)
Pitch  circle  diameter   mm  (in.)
46  (1.8)46  (1.8)
114.3  ,114.3  (4.5)
Tire Size
. . . 
Steel  type
46  (1.8)
S p a r e   T y p eSteel  type
wheel
Size
Amount  of  wheel  offset  mm(in.)46  (1.8)
  circle  diameter   mm  (in.) 114.3  (4.5) 114.3  (4.5)
Spare
  Size
l  .optional  items  TSB  Revision