Precautions In Operation - TGB BLADE 600 Service Manual

6. CYLINDER HEAD/VALVE

Precautions in Operation

General Information
● This chapter is contained maintenance and service for cylinder head, valve, and camshaft as well as
rocker arm.
● Cylinder head service can be carried out when engine is in frame.
Specification
Item
Compression pressure
Height of cam lobe
Camshaft
ID of valve rocker arm
Rocker
arm OD of valve rocker arm shaft
OD of valve stem
ID of valve guide
Clearance between
valve stem and guide
Valve
Free length of valve
spring
Valve seat width
Valve clearance
Torque Value
Cylinder head cover bolt
Exhaust pipe stud bolt
Cylinder head bolt M6
Cylinder head bolt M10
Sealing bolt of cam chain auto-tensioner
Bolt of cam chain auto-tensioner
Cylinder side nut 1.0~1.2kgf-m
Cam sprocket bolt 1.0~1.2kgf-m
Tappet adjustment screw nut 0.7~1.1kgf-m
Spark plug 1.0~1.2kgf-m
Tools
Special service tools
Valve reamer: 5.0mm
Valve guide driver: 5.0mm
Valve spring compressor
6-2
Standard
6~10 bar
Intake 33.842
Exhaust 33.727
12~12.018
11.966~11.954
Intake 4.975~4.990
Exhaust
4.950~4.975
5.000~5.012
Intake
0.010~0.037
Exhaust 0.025~0.062
Inner
Outer
1.600
0.10±0.02mm
Intake
0.15±0.02mm
Exhaust
1.0~1.2kgf-m
2.4~3.0kgf-m
1.0~1.2kgf-m
First torque M10 cylinder head bolts with Loctite in cross sequence to 20
Nm+/- 1 Nm two times then finish by tightening to 180° +/- 5°.
1.0kgf-m
1.2~1.6kgf-m
500 cc
Limit
---
33.892
33.777
12.080
11.936
4.900
4.900
5.030
0.080
0.100
36 32.5
39.5 36.0
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---
---
600 cc
Standard Limit
9-11 bar ---
33.07 33.12
32.95 33.10
12~12.018 12.080
11.984~11.966 11.954
4.975~4.990 4.900
4.950~4.975 4.900
5.000~5.012 5.030
0.010~0.037 0.080
0.025~0.062 0.100
--- ---
41.1 37.6
1.600 ---
0.10±0.02mm
---
0.15±0.02mm
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