KTM 125 SX 2010, Owner'S Manual

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– Fix the 3 pressure springs
1
with ample amounts of grease in the
gearshift rails.
NOTE: The bottom of the longer gearshift rail does not have a spring.
– Oil the gearshift rails and insert them into the gearshift forks (short
gearshift rail toward drive shaft). Insert the gearshift rails into the
casing bores as far as they will go.
NOTE: It will now be possible to gently turn gear shafts.
– Mount stop disk
2
(20.2x33x1.5 mm) on the main shaft.
Assembling the engine housing
– Remove the engine fastener from the engine work stand.
– Make sure both fitting collars are positioned in the right housing
half, the stop disk in the main shaft and the grooved ball bearing in
the shift roller.
– Apply a light coat of grease to the sealing surfaces of the housing
and position the new gasket.
– Grease the shaft seal rings in the left-hand half and place the left-
hand half in position.
– Position the bolts and tighten to 10 Nm.
– Cut off any excess seal length around the cylinder support and the
reed housing.
– Fix the engine in the work stand.