Crankshaft Bearing; Primary Shaft Bearing; Secondary Shaft Bearing; Desmodromic Valve Bearing - GAS GAS Enduro Series Workshop Manual

Workshop manual
SeRVICING aND RePaIRING THe eNGINe'S COmPONeNTS
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4
- Dislodge the bearings from the right-hand semi-crankcase.

Crankshaft bearing -1-

3
- Remove the ball bearing from the crankshaft by pressing from the outside of
the semi-crankcase inwards.
- Place the new ball bearing in the semi-crankcase housing. The stamped side of
the bearing must be orientated towards the inside of the semi-crankcase.
- Press on the new ball bearing until it is flush with the inner surface of the semi-
crankcase.

Primary shaft bearing -2-

- Remove the ball bearing from the primary shaft by pressing from the outside of
the semi-crankcase inwards.
- Place the new ball bearing in the semi-crankcase housing. The closed side of
the bearing must be orientated towards the outside of the semi-crankcase.
- Press on the bearing until it is fully encased in the right-hand semi-crankcase
housing.
Attention:
Whenremovingandfittingtheballbearing,becarefulnottoapplyexcessive
pressuretothebearinghousingarea.Ifthepressureisexcessive,thesemi-
crankcasemaybecomedamaged!

Secondary shaft bearing -3-

- Remove the ball bearing from the secondary shaft by pressing from the outside
of the semi-crankcase inwards.
- Place the new ball bearing in the semi-crankcase housing. The stamped side of
the bearing must be orientated towards the inside of the semi-crankcase.
- Press on the bearing until it is fully encased in the right-hand semi-crankcase
housing.
Attention:
Whenremovingandfittingtheballbearing,becarefulnottoapplyexcessive
pressuretothebearinghousingarea.Ifthepressureisexcessive,thesemi-
crankcasemaybecomedamaged!

Desmodromic valve bearing -4-

- Remove the desmodromic valve needle roller bearing by pressing from the
outside of the semi-crankcase inwards.
- Fit the new needle roller bearing to the semi-crankcase housing. The stamped
side of the bearing must be orientated towards the inside of the semi-
crankcase.
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