GAS GAS FSE 400 - 2004 Service Manual page 27

NOTE
For maximum strech 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). Direction of Chain Rotation.
Chain Guide Wear
Visually inspect the drive chain guide. If the guide is worn excessively
or damaged, replace it.
(A)
Chain Slider Wear
Visually inspect the upper and lower chain sliders.
(A)
Sprocket Wear
Visually inspect the sprocket teeth. If they are worn or damaged,
replace the sprockets.
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 ol because it will stay on the chain longer and provide better
lubrication.
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EC FSE 2004 - -
(A) (B)
(A). Chain Slider
(B). Swing Arm