•
The lever roller (6) must rotate freely.
•
Check that the stop tab (7) and the rel-
evant spring (8) work properly.
•
Check that the gear shaft is not de-
formed. (A) Max. admissible deviation
= 0.15 mm (0.0059 in);
•
Check that both fork shafts are not de-
formed. (B) Max. admissible deviation
= 0.05 mm (0.0020 in);
THE END OF THE FORK LONG SHAFT (9) THAT PRO-
TRUDES FROM THE CRANKCASE IS USED AS A TRANS-
MISSION STOP AND CAN BE BENT IN CASE OF EXCES-
SIVE LOAD (BUMPING).
THE DEVIATION CAN BE CHECKED BY REMOVING THE
CLUTCH COVER AND ROTATING THE LONG SHAFT.
Assembling the gearbox
•
Place the guiding sleeve on the pri-
mary shaft to avoid damaging the oil
seal.
•
Heat up the engine crankcase.
•
Apply LOCTITE Anti-Seize on the
bearing seats present on the crank-
case.
•
Fit the bearings in their seats.
•
Fit the gear unit.
•
Fit the 5th - 6th gear fork on the gear
pinion of the secondary shaft.
•
Place the 2nd - 3rd gear fork and the
1st - 4th gear fork on the gear pinion of
the primary shaft. The 2nd - 3rd gear
fork must be installed with the printed
number 123 facing upwards. The 1st -
4th gear fork must be installed with the
printed number 113 facing upwards.
Engine RX SX 125
ENG - 92
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