GAS GAS FSR 450 2008 Betriebsanleitung Seite 101

NOTE
For maximum resistance and safety, a genuine part must be
used for replacement.
To minimize any chance of the master link coming apart, the
master link clip must be installed with the closed end of the
«U» points in the direction of chain rotation.
(A). Clip.
(B). Chain direction of rotation.
Chain Wear Guide
Visually inspect the drive chain wear guide (A); If the guide is worn
excessively or damaged, replace it.
(A)
Chain guide slide
Visually inspect the upper and lower part of the chain slider on the
swing arm. If this is worn then replace it.
Pinion and sprocket teeth wear
Visually inspect the pinion and sprocket teeth.
If they are worn or damaged, replace the pinion or sprocket.
Lubrication
Lubrication is necessary after riding through rain or in the mud, or
any time that the chain appears dry. A heavy oil is preferred to a
lighter oil because it will stay on the chain longer and provide better
lubrication.
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(A)
(B)
(A). Chain guide slide.
(B). Rocker arm.