KTM 250 SX-F 2005, Repair Manual

Page: 84 / 125

6-15
Assembling the engine
– Mount the valve cover with a new gasket and tighten the screws.
– Place the oil screen
1
on a pin wrench approx. 300 mm long. Insert
the pin wrench through the opening in the bore of the opposite
engine case wall and slide the oil screen all the way into the engine
case. Pull out the pin wrench, mount the plug with a new gasket
and tighten to 15 Nm.
! CAUTION !
T
HE SCREEN IS MOUNTED SLANTING DOWNWARDS
. I
F MOUNTED INCORRECTLY IT
WILL LOSE ITS FILTERING EFFECT AND LEAD TO EXCESSIVE ENGINE WEAR
.
– Push in the pushrod.
– Mount the pulse generator
2
, apply Loctite 243 to the screws and
tighten to 6 Nm. Press the cable guide into the recess in the case.
– Mount the ignition cover with dowels and a new gasket.
– Tighten the screws to 10 Nm.
NOTE: longer screws (M6x35 instead of M6x30) are used at the dowel
positions.
– Fill the oil filter case approx. 1/3 full with engine oil, slide in the
filter and mount the cover with a new O-ring. Tighten the screws to 6
Nm.
– Screw in the spark plug and tighten to 12 Nm.
– Mount the oil drain plug with a new seal ring and tighten to 20 Nm.
– Mount the shift lever, apply Loctite 243 to the screw and tighten to
10 Nm.
1
2