7 - 15
7
Head check
- Check that the head surface shows no signs of wear
or deformations by means of a ground bar and a
feeler gauge.
Maximum allowed runout: 0.1 mm
- In case of troubles, replace the head.
- Check the sealing surface of the intake and exhaust
manifold.
- Check that the camshaft and equalizer pin supports
show no signs of wear.
- Check that the head cover surface shows no signs of
wear.
- Check that the coolant sealing pad shows no signs of
oxidation.
Checking the valve sealing surfaces
- Visually check the valves sealing surfaces.
- Do not change the valves assembly
position (RH-LH).
- If the valve sealing surface is discontinued in one or
more points, or if it is bent, replace the valve.
05_197
05_198
05_199
Warning
Thermal unit and timing system
Standard diameter
A
13
+ 0.018
B
20
+ 0.021
C
42
+ 0.025
0
0
0
- If worn, also check the corresponding component
when the head is replaced
Содержание 500 cc
Страница 4: ...TABLE OF CONTENTS GENERAL INFORMATION AND MAINTENANCE 1...
Страница 12: ...TABLE OF CONTENTS SPECIFIC TOOLING 2...
Страница 15: ...TABLE OF CONTENTS AUTOMATIC TRANSMISSION 3...
Страница 32: ...TABLE OF CONTENTS FINAL REDUCTION 4...
Страница 34: ...TABLE OF CONTENTS FLYWHEEL COVER 5...
Страница 51: ...TABLE OF CONTENTS FLYWHEEL AND STARTING SYSTEM 6...
Страница 63: ...TABLE OF CONTENTS THERMAL UNIT AND TIMING SYSTEM 7...
Страница 94: ...TABLE OF CONTENTS CRANKCASE AND DRIVING SHAFT 8...
Страница 113: ...TABLE OF CONTENTS FUEL INJECTION 9...
Страница 220: ...TABLE OF CONTENTS LUBRICATION 10...
Страница 228: ...TABLE OF CONTENTS COOLING SYSTEM 11...
Страница 236: ...TABLE OF CONTENCTS STARTING 12...