5. CYLINDER HEAD/CYLINDER/PISTON
5-7
Piston Ring Inspection
Measure the end gap of each piston ring.
Service limit: 0.40 mm
Caution
With the piston, push each piston ring into
cylinder correctly.
Connecting Rod Inspection
Install bearing and piston pin onto connecting rod
small end, and then check its clearance.
Measure the ID of connecting rod small end.
Service limit: 17.025mm
Piston/Cylinder Installation
Install the expanding ring into the groove of 2
nd
ring.
Align the ring end with the lock pin in the ring
groove.
Install the top ring and the 2
nd
ring onto the ring
groove respective.
Caution
The top ring and the 2
nd
ring can not be
changeable each other.
Push the rings into ring groove and then check
rings’ mating condition.
If ring could not be push in the ring groove, it
means that ring groove is dirty or wrong ring
groove installation.
Caution
y
All rings should be installed with the marks
facing up.
y
All rings should be replaced at same time,
and it can not be replaced one ring only.
y
It should use same brand name piston ring in
an engine and can not mix with other one.
Top ring
2
nd
ring
Expanding
i
Piston ring mark
1T: top ring
2T: 2
nd
ring
Clearance
This chapter Contents
Содержание DD 50
Страница 1: ...DD 50 SERVICE MANUAL FORWARD HOW TO USE THIS MANUAL CONTENTS MECHANISM ILLUSTRATIONS...
Страница 6: ...MODEL ILLUSTRATION FT05T FT05U FT05W Home page Contents...
Страница 7: ......
Страница 23: ...1 GENERAL INFORMATION 1 16 Note This chapter Contents...
Страница 43: ...3 LUBRICATION SYSTEM 3 6 Notes This chapter Contents...
Страница 49: ...4 ENGINE REMOVAL 4 6 Note This chapter Contents...
Страница 81: ...8 FINAL DRIVING MECHANISM 8 6 Notes This chapter Contents...
Страница 97: ...10 FUEL SYSTEM 10 10 Notes This chapter Contents...
Страница 99: ...11 BRAKE SYSTEM 11 2 Front Drum Brake System 2 5kgf m 6 0kgf m 0 55kgf m This chapter Contents...
Страница 100: ...11 BRAKE SYSTEM 11 3 Rear Drum Brake System 2 5kgf m 11 0kgf m 0 55kgf m This chapter Contents...
Страница 123: ...12 BODY COVER 12 14 Note This chapter Contents...
Страница 146: ...15 ELECTRICAL EQUIPMENT 15 9 Ignition System Black Red Blue Yellow Black White Black Yellow Green This chapter Contents...
Страница 156: ...16 ELECTRICAL DIAGRAM 16 1 DD 50 ELECTRICAL DIAGRAM 16 Home page Contents...
Страница 157: ...16 ELECTRICAL DIAGRAM 16 2 Notes Home page Contents...