Generic Trigger X 50ccm Owner's Manual page 7

For the important assembly position, it should be given special
attention before dismantling. The parts out of use should be
replaced before dismantling in time.
The length of bolts to assemblies and frame cover are different
which should be installed in correct position and the bolts may
placed in the hole to find out whether they are suitable if they
are mixed.
For the installation of oil seal, the grease should be filled in oil
seal groove; as installing oil seal, it should check the smoothness
of oil seal whether it will likely damage the oil seal.
For the installation of rubber hose (fuel, vacuum or coolant), the
ends of which should plug into the bottom of the joint in order to
ensure that there is enough space for hose clamp to clamp the
joint. The rubber or plastic soldering cup should restore its
original design position.
As dismantling ball bearing, please use the tool to withstand one
or two (internal and external) bearing runners. If the strength is
only applied onto a rolling ring (no matter internal or external),
the bearing may be damaged as dismantling and has to be
replaced.
In both instances, the bearings will
be broken
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