
134
Installation-----------------------------------------12. 7
Adjustment of Valve Clearance-----------------12. 8
12. 1 Service Data
Function of cylinder head
: It is used to seal cylinder and form the combustion chamber along
with the piston in order to withstand high-temperature and high-pressure combustible gas.
Through the valve system, the cylinder head intakes and discharges gas.
Precautions
To ensure seal between the cylinder head and cylinder body, the head withstand large pre-tension
force from bolt. Pre-tension value: 50Nm
All parts must be cleaned before being checked, and purged with high-pressure air.
Table for Standard Value and Allowable Limit of Reference Items (in mm)
Item
Standard
Allowable limit
Flatness of cylinder head
0. 03
0. 05
Valve
Valve guide
Valve clearance
Intake
0. 09-0. 1
_
Discharge
0. 09-0. 1
_
OD, valve rod
Intake
4. 965-4. 975
4. 9
Discharge
4. 95-4. 96
4. 9
ID, valve guide
Intake
5. 0-5. 012
5. 1
Discharge
5. 0-5. 012
5. 1
Clearance between valve guide
and valve guide
Intake
0. 03-0. 041
0. 072
Discharge
0. 045-0. 056
0. 077
Valve base width
Intake/
discharge
1
1. 3
Valve spring
Free length
35. 4
32
Swingarm
OD, swingarm shaft
Intake/
discharge
11. 985-11. 989
11. 93
ID, swingarm hole
Intake/
discharge
12-12. 018
12. 05
Clearance between swingarm
shaft and swingarm hole
Intake/
discharge
0. 01-0. 033
0. 075
Cam
Cam height
Intake
32. 343
32. 14
Discharge
32. 107
31. 91
12. 2 Fault Diagnosis
Low compression pressure Abnormal noise in cylinder head
Bad valve clearance adjustment Bad valve clearance adjustment
Valve burned or bent
Valve spring damaged
Bad valve base air tightness
Too high compression pressure
Содержание RKV 200
Страница 1: ...1 RKV 200 Motorcycle Service Manual...
Страница 12: ...12 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 1 10 Handle...
Страница 18: ...18...
Страница 44: ...44 Symptom Electric horn mutes Diagnosis procedures...
Страница 128: ...128 Swingarm Cam mechanism Piston Oil filter Engine oil pump Engine oil filtration net Cranksha ft...
Страница 143: ...143...
Страница 144: ...144...
Страница 158: ...158 Gearshift drum Shifting fork Shift rail Principal shaft assembly Vice shaft assembly...
Страница 171: ...171 Complete QJ200 2A Schematic Circuit Diagram...