Inspecting the small end
- Measure the internal diameter of the connecting
rod small end using an internal micrometer.
N.B.
IF THE DIAMETER OF THE CONNECTING ROD SMALL
END EXCEEDS THE MAXIMUM DIAMETER ALLOWED,
SHOWS SIGNS OF WEAR OR OVERHEATING REPLACE
THE CRANKSHAFT AS DESCRIBED IN THE "CRANKCASE
AND CRANKSHAFT" CHAPTER".
Characteristic
Connecting rod small end check-up: Maximum
diameter
15.030 mm
Connecting rod small end check-up: Standard
diameter
15+0.015+0.025 mm
Inspecting the wrist pin
- Check the outer diameter of the gudgeon pin.
Characteristic
Standard pin diameter
14.996 to 15 mm
Minimum diameter permitted
Ø 14.994 mm
- Calculate the piston pin coupling clearance.
N.B.
THE PIN HOUSINGS HAVE 2 LUBRICATION CHANNELS.
FOR THIS REASON MEASUREMENT OF THE DIAMETER
MUST BE CARRIED OUT ACCORDING TO THE AXIS OF
THE PISTON.
Characteristic
Piston pin bore - standard diameter
Ø 15+0.001 +0.006
Engine
Vespa LX 125 - 150 i.e.
ENG - 116
Summary of Contents for LX Series
Page 4: ......
Page 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 21: ...INDEX OF TOPICS TOOLING TOOL ...
Page 33: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 44: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 48: ...Troubleshooting Vespa LX 125 150 i e TROUBL 48 ...
Page 49: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 52: ...Components arrangement Electrical system Vespa LX 125 150 i e ELE SYS 52 ...
Page 86: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 90: ...Engine from vehicle Vespa LX 125 150 i e ENG VE 90 ...
Page 91: ...INDEX OF TOPICS ENGINE ENG ...
Page 137: ...Conceptual diagrams Vespa LX 125 150 i e Engine ENG 137 ...
Page 146: ...INDEX OF TOPICS INJECTION INJEC ...
Page 164: ...Injection Vespa LX 125 150 i e INJEC 164 ...
Page 171: ...Vespa LX 125 150 i e Injection INJEC 171 ...
Page 185: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 205: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 214: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 222: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 226: ...INDEX OF TOPICS TIME TIME ...
Page 272: ...T Tank 256 Transmission 9 46 92 103 113 241 Turn indicators 65 Tyres 13 V Vehicle 8 87 88 ...