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- top ring: +0.03 / 0.062 mm (0.0012 / 0.0024 in)
- middle ring: +0.02 / 0.052 mm (0.0008 / 0.0020 in)
- oil scraper: +0.01 / 0.19 mm (0.0004 / 0.007480 in)
cylinder check
•
Using a bore meter, measure the cyl-
inder inside diameter at three different
points according to the directions
shown in the figure.
•
Check that the coupling surface with
the head is not worn or misshapen.
CAUTION
THE MARKING IS LOCATED ON THE PISTON CROWN.
Characteristic
Maximum run-out allowed:
0.05 mm
C
YLINDER
-
PISTON
COUPLING
CLEARANCE
125
CM
³
Coupling categories with cast-iron cylinder
NAME
ABBREVIA
TION
CYLINDER
PISTON
FITTING
CLEARANCE
min
max
min
max
min
max
Cylinder/Piston
M
58.010
58.017
57.963
57.970
0.040
0.054
Cylinder/Piston
N
58.017
58.024
57.970
57.977
0.040
0.054
Cylinder/Piston
O
58.024
58.031
57.977
57.984
0.040
0.054
Cylinder/Piston
P
58.031
58.038
57.984
57.991
0.040
0.054
Inspecting the wrist pin
•
Check the pin outside diameter.
Characteristic
Pin
Minimum diameter: 14.995 mm (0.590 in)
Standard diameter: 15.0000 +0/-0.0030 mm (0.00012 in)
Inspecting the piston rings
ANELLI DI TENUTA
Specification
Desc./Quantity
Compression ring (top)
0.2 / 0.35 mm (0.0079 / 0.014 in)
Compression ring (middle)
0.2 / 0.35 mm (0.0079 / 0.014 in)
Engine
RS4 125
ENG - 188
Содержание RS4 125
Страница 1: ...SERVICE STATION MANUAL B043126 RS4 125 ...
Страница 5: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 44: ...INDEX OF TOPICS SPECIAL TOOLS S TOOLS ...
Страница 49: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 63: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 64: ...Components arrangement KEY 1 Stop switch 2 Taillight 3 Injector Electrical system RS4 125 ELE SYS 64 ...
Страница 91: ...TABLE E4 11 Taillight cable harness 14 LED Rear light 15 Cable guide RS4 125 Electrical system ELE SYS 91 ...
Страница 126: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 139: ...INDEX OF TOPICS ENGINE ENG ...
Страница 146: ... Remove the oil filter Engine RS4 125 ENG 146 ...
Страница 150: ... Unscrew and remove the oil filter plug Remove the spring and oil filter Engine RS4 125 ENG 150 ...
Страница 195: ...Conceptual diagrams Removing Remove the Seeger ring Remove the pump gear RS4 125 Engine ENG 195 ...
Страница 198: ...INDEX OF TOPICS POWER SUPPLY P SUPP ...
Страница 203: ... Loosen the clamp and remove the throttle body RS4 125 Power supply P SUPP 203 ...
Страница 204: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 230: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 247: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 262: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Страница 273: ...INDEX OF TOPICS BODYWORK BODYW ...
Страница 290: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 298: ...Windshield Wiring diagram 92 ...