Benelli 2014 BN600, Service Manual

Page: 194 / 243

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ENG
HEAD FITTING
D
Before assembling the head, replace the seal (12).
Make sure that the centering pin (11) is in position Fig. C
To assemble the head, fi rst tighten the 10 fastening screws (X)
Fig. D and then the two allen screws (6).
NOTE
During assembly of the head. lubricate the head screws with
copper grease.
Tighten the screws (X) to the following torque:
T.R.
Torque 55 N*m
Tighten the screws (6) to the following torque:
T.R.
Torque 12 N*m
X
6
HEAD TIMING GEAR
C
12
11
CYLINDER CHECK
The following procedure applies the whole cylinder group.
Check:
• the walls of the cylinder Fig.A
If there are any vertical lines, replace the cylinder and the piston
all together and the relevant clips.
• The cooling cavity of the cylinder, in case of build up, remo-
ve scale deposits.
Measure:
• Cylinder stroke Fig. B
Take different measurements at a distance f 10-43-90 mm from
the head coupling.
The highest value is considered when calculating wear limits.
CYLINDER Bore (C)= 65x45.2
C=Max D1 or D2 65
A
B
- 0.002
- 0.003
mm