MV Agusta F4 S Workshop Manual page 328

With the special spanner mounted on the extension
tube, pull forward the eccentric adjuster and release
the chain from the crown wheel.
Special tool:
Eccentric adjuster spanner
Spanner extension
When adjusting the tension of the chain it is
necessary to carry out the motorcycle
set up adjustment. See "Motorcycle set up
adjustment" in this chapter.
F Remove the wheel spindle nut (2) previously slacke-
ned and the spacer ring (4) underneath.
Remove the rear sprocket unit (3) and the spacer ring
(5) underneath.
Suspension and wheels
N. 800092854
N. 800092855
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4
5
2
3