My Monster Valve Inspection/ Adjustment data
 
Maintenance

All dimensions in mm

12K

(Jan - Feb '04)

Intake H
Opener before adjust After adjust Shim thickness (d)
0.030 0.089 3.20
Closer before adjust After adjust Shim thickness (d)
0.021 0.021
Exhaust H
Opener before adjust After adjust Shim thickness (d)
0.076 0.102 3.68
Closer before adjust After adjust Shim thickness (d)
0.030 0.030
Intake V
Opener before adjust After adjust Shim thickness (d)
0.030 0.102 3.090
Closer before adjust After adjust Shim thickness (d)
0.008 0.014
Exhaust V
Opener before adjust After adjust Shim thickness (d)
0.051 0.076 3.730
Closer before adjust After adjust Shim thickness (d)
0.013 0.013

18K

(July 20 '04)

Intake H
Opener before adjust After adjust Shim thickness (d)
0.114 0.114
Closer before adjust After adjust Shim thickness (d)
0.037 0.037

Exhaust H

Opener before adjust After adjust Shim thickness (d)
0.127 0.127
Closer before adjust After adjust Shim thickness (d)
0.051 0.051
Intake V
Opener before adjust After adjust Shim thickness (d)
0.152 0.152
Closer before adjust After adjust Shim thickness (d)
0.026 0.026
Exhaust V
Opener before adjust After adjust Shim thickness (d)
0.102 0.102
Closer before adjust After adjust Shim thickness (d)
0.063 0.063

24K

(March '06)

Intake H
Opener before adjust After adjust Shim thickness (d)
0.127 0.127
Closer before adjust After adjust Shim thickness (d)
0.037 0.037

Exhaust H

Opener before adjust After adjust Shim thickness (d)
0.117 0.117
Closer before adjust After adjust Shim thickness (d)
0.048 0.048
Intake V
Opener before adjust After adjust Shim thickness (d)
? ?
Closer before adjust After adjust Shim thickness (d)
? ?
Exhaust V
Opener before adjust After adjust Shim thickness (d)
0.114 0.114
Closer before adjust After adjust Shim thickness (d)
0.013 0.013