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4-8C
Repair manual KTM 250 / 300 / 380 Art No 3206004 -E
– Pull out the shift rails and swing the shift forks aside.
– Pull the shift roller out of the bearing seat.
– Remove the shift forks.
NOTE: During disassembly, watch out for the shift rollers
1 on the
driving pins of the shift forks. They may remain in the shift roller.
Although the counter shaft shift forks are identical they should be refitted
in the same position as before if reused. Therefore mark accordingly upon
removal.
– Remove the 2 pressure springs
2 from the engine case.
– Pull the drive shaft together with the countershaft out of the bearing
seats.
– Remove 1
st
-gear idler gear 3 with needle cage and the two stop discs
from the engine case.
Dismounting the crankshaft
– Pull crankshaft from the bearing seat (if necessary, use a plastic
hammer and tap carefully on the crankshaft journal).
– Remove O-ring from crankshaft.
– Clean all parts and check for wear, replace if necessary.
NOTE: When an engine is completely overhauled it is recommended that
all gaskets, shaft seal rings and O-rings are renewed.
1
2
2
3