6. CYLINDER HEAD/VALVE
6-9
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
Summary of Contents for Quad Lander 300
Page 1: ...FORWARD CONTENTS HOW TO USE THIS MANUAL SERIAL NUMBER Quad Lander 300 SERVICE MANUAL...
Page 5: ...Home page Contents SERIAL NUMBER Frame number Engine number...
Page 17: ...1 GENERAL INFORMATION 1 12...
Page 41: ...2 MAINTENANCE INFORMATION 2 17...
Page 49: ...3 LUBRICATION SYSTEM 3 8 Notes To this chapter contents...
Page 51: ...4 FUEL SYSTEM 4 2 UA30A A UA30A1 6 Fuel tank cap Fuel tank Carburetor Fuel valve Fuel Strainer...
Page 69: ...4 FUEL SYSTEM 4 20 Notes To this chapter contents...
Page 144: ...10 ALTERNATOR STARTING CLUTCH 10 10 Note To this chapter contents...
Page 178: ...13 BODY COVER 13 14...
Page 192: ...14 FRONT BRAKE FRONT WHEEL 14 14 Notes To this chapter contents...
Page 213: ...16 REAR BRAKE REAR WHEEL REAR CUSHION 16 11...
Page 242: ...17 ELECTRICAL SYSTEM 17 21 To this chapter contents...
Page 243: ...18 ELECTRICAL DIAGRAM 18 1 18 Home page Contents QUAD LANDER 300 ELECTRICAL DIAGRAM...
Page 244: ...18 ELECTRICAL DIAGRAM 18 2 Notes Home page Contents...