CFMOTO
05-10
Item
Standard - mm
Limit Remark
Valve diameter
Intake
33
——
Exhaust
29
——
Valve thickness
Intake and exhaust
1
0.5
Valve clearance(Cold
engine)
Intake
0.06~0.14
——
Exhaust
0.11~0.19
——
Valve conducting pipe
diameter
Intake and exhaust
5.000~5.012
5.045
Valve rod outer diameter Intake
4.965~4.980
4.93
Exhaust
4.955~4.970
4.93
Valve conducting pipe
and rod clearance
Intake
0.020~0.047
——
Exhaust
0.030~0.057
——
Valve rod roundness(run
out)
Intake and exhaust
0.01
0.05
Valve rod end run out
Intake and exhaust
0.02
0.05
Valve length
Intake
90.1
——
Exhaust
88.7
——
Valve bevel side run out Intake and exhaust
0.03
0.05
Valve sealing line width Intake
1.2±0.1
1.7
Exhaust
1.3±0.1
1.8
Valve spring free length Intake and exhaust
40
38.2
Valve spring force
Intake and exhaust
Compress to
33mm:200.5N~235.5N
Compress to
23mm:531N~587N
——
Cylinder 1 cam height
Intake
32.931~33.051
32.831
Exhaust
32.945~33.065
32.845
Cylinder 2 cam height
Intake
33.019~33.139
32.919
Exhaust
32.853~32.973
32.753
Camshaft neck
Φ35
34.959~34.975
34.95
Φ22
21.959~21.980
21.95
Cam shaft bearing
diameter
Φ35
35.007~35.025
35.04
Φ22
22.012~22.025
22.04
Camshaft bearing fitness
clearance
Φ35
0.032~0.066
0.09
Φ22
0.032~0.066
0.09
Camshaft axial clearance 0.12~0.28
——
Camshaft runout
0.10
Rocker arm inner hold
diameter
Intake and exhaust
12.000~12.018
12.03
Rocker arm shaft
diameter
Intake and exhaust
11.973~11.984
11.96
Rocker arm shaft fit
clearance
Intake and exhaust
0.016~0.045
0.07
Rocker arm shaft axial
clearance
Intake and exhaust
0.06~0.34
——
Cylinder head flatness
0.03
0.05
Valve mechanism and cylinder head
Summary of Contents for CF1000ATR 2018
Page 1: ...CFMOTO SERVICE MANUAL CF1000AU CF1000ATR CFORCE 1000 ...
Page 81: ...CFMOTO 05 6 5 1 4 EIN Location EIN Location Engine left side Engine right side 050601 050602 ...
Page 351: ...06 Vehicle chassis 06 41 6 7 3 Front and rear CV shaft disassemble view 064101 064102 ...
Page 363: ...Appendix A ...
Page 364: ...Appendix B ...
Page 365: ...Appendix C ...