Benelli 2009 TREK1130, Workshop Manual

Page: 337 / 582

HEAD DISTRIBUTION
ENG
5 11
CAM SHAFTS CONTROL
C Check:
• the cam shaft lobes
In the presence of blue fading/pittings/scratches
Replace the cam shaft.
Measure:
• the cam shaft eccentricity
If out of specification Replace the cam shaft.
0
90
80
70
60
50
40
30
20
10 0.01mm 0-
30mm
2
3
1
2 Measure:
• the sizes of the cam shaft lobes and
If out of specification Replace the cam shaft.
Size limit of the cam shaft lobes
Inlet side cam shaft
<Limit>: 35.3 mm (1.38 in)
<Limit>: 27.85 mm (2.77 cm)
Drain side cam shaft
<Limit>: 35.3 mm (1.38 in)
<Limit>: 27.85 mm (2.77 cm)
A
B
A
B
3
Eccentricity limit of the cam shaft
0.04 mm (0.001 in)
A
B
A
B