Benelli 2014 BN600, Service Manual

Page: 182 / 243

- 181 -
ENG
CAMSHAFT CHECK
HEAD TIMING GEAR
Make a visual check of the camshaft lobes and if there is any
blue discolouration/blotching or lines, replace.
• Measure the size of the lobes.
If the measurements taken (Fig. E) are not within the specifi ca-
tions, proceed with shaft replacement.
Specifi cations Table
Camshaft
Limit
(a)
Limit
(b)
Camshaft outlet side 32,495 mm 25 mm
Camshaft inlet side 32.2 mm 24.85 mm
• Measure the eccentricity of the camshaft
If the measurements taken (Fig. F) are not within the specifi ca-
tions, proceed with shaft replacement.
Specifi cations Table
Camshaft Eccentricity limit
Camshaft outlet side 0.02 mm
Camshaft inlet side 0.06 mm
• Measure the clearance between the bearing journals,
camshaft and underframe.
If the measurements taken (Fig. G) are not within the specifi ca-
tions, proceed with full head and underframe replacement.
Specifi cations Table
Camshaft
Clearance between bearing
journals and camshaft
Camshaft outlet side 0.09 mm
Camshaft exit side
camshaft 0.09 mm
• Measure the bearing journals, camshaft and underfra-
me.
If the measurements taken (Fig.H) are not within the specifi ca-
tions, proceed with shaft replacement.
Specifi cations Table
Camshaft
Bearing journal measure-
ment (C)
Camshaft outlet side
Ø 23 mm(-0.03/-0.043)
Camshaft inlet side
A
B
E
F
G
C
H