6
. Cylinder Head / Valve
6-9
Valve spring free length
Measure the free length of intake and exhaust
valve springs.
Service limit:
Inner spring 35.20 mm
Outer spring 36.90 mm
Valve stem
Check if valve stems are bend, crack or burn.
Check the operation condition of valve stem in
valve guide, and measure & record the valve stem
outer diameter.
Service Limit: IN: 4.90 mm
EX: 4.90 mm
Valve guide
Caution
Before measuring the valve guide, clean
carbon deposits with reamer.
Tool: 5.0 mm valve guide reamer
Measure and record each valve guide inner
diameters.
Service limit: 5.03 mm
The difference that the inner diameter of valve
guide deducts the outer diameter of valve stem is
the clearance between the valve stem and valve
guide.
Service Limit: IN
→
0.08 mm
EX
→
0.10 mm
Caution
If clearance between valve stem and valve
guide exceeded service limit, check whether
the new clearance that only replaces new valve
guide is within service limit or not. If so,
replace valve guide.
Correct it with reamer after replacement.
If clearance still exceeds service limit after
replaced valve guide, replace valve stem too.
Caution
It has to correct valve seat when replacing
valve guide.
5.0 mm valve guide reamer
To this chapter contents
Содержание Citycom.300i
Страница 1: ...DK Version 1 0 2009 Citycom 300i SERVICE MANUAL FOREWORD HOW TO USE THIS MANUAL CONTENTS SERIAL NUMBER...
Страница 5: ...Serial Number Home page Contents...
Страница 38: ...2 Maintenance Information 2 17 Note To this chapter contents...
Страница 46: ...3 LUBRICATION SYSTEM 3 8 Notes To this chapter contents...
Страница 106: ...4 Fuel Injection System 4 60 Note To this chapter contents...
Страница 173: ...10 AC Generator Starting Clutch 10 10 Notes To this chapter contents...
Страница 195: ...12 Cooling System 12 14 Notes To this chapter contents...
Страница 223: ...14 Brake System 14 12 Note To this chapter contents...
Страница 244: ...17 Electrical System 17 5 FUSE Fuse circuit diagram To this chapter contents...
Страница 262: ...17 Electrical System 17 23 Note To this chapter contents...
Страница 270: ...19 Electrical Diagram 19 1 Home page Contents LH30W EFi Electrical Diagram 19...