GAS GAS PAMPERA 450 - 2007 Manual page 28

NOTE
For maximum resistance and safety, a genuine part must be
used for replacement.
To minimise the risk of the principal connection coming loose,
the principal clip should be fitted with the closed part of the
"U" in the direction of the chain rotation.
(A)
(B)
(A). Clip.
(B). Direction of the rotation.
NOTE
The original chain does not have an opening link.
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 high viscosity oil is preferable
to a low viscosity oil because it will remain on the chain for a longer
time, thus providing improved lubrication.
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(A)
(B)
(A). Chain guide slide.
(B). Rocker arm.