Suzuki DR 125, Service Manual

Page: 94 / 222

3-58 ENGINE
CAMSHAFT
• Turn the crankshaft counterclockwise, and align the “|T” line
on the generator rotor with the mark
A
on the generator cover
while keeping the cam chain tight.
!
NOTE:
Just before installing the camshaft into the cylinder head, apply
molybdenum oil solution to the camshaft journals and cam
faces. Also, apply engine oil to the camshaft journal holders.
"
MOLYBDENUM OIL SOLUTION
• Install the C-ring
1
into the ring groove of the cylinder head.
• Align the engraved line marks
A
on the camshaft so it is par-
allel with mating surface of the cylinder head and cylinder
head cover.
• Engage the cam chain on the camshaft sprocket with the
locating pin hole
B
at just past top position.
NOTE:
Do not rotate the crankshaft while installing the camshaft or cam
chain.
• Install the lock washer
2
so that it is covering the locating pin.
NOTE:
Apply a small quantity of THREAD LOCK SUPER “1303” to the
threads of the camshaft sprocket bolts.
#
99000-32030: THREAD LOCK SUPER “1303”
• Tighten the camshaft sprocket bolts to the specified torque.
$
Camshaft sprocket bolt: 11 N·m (1.1 kgf-m, 8.0 lb-ft)
If the crankshaft is turned without drawing the cam
chain upward, the cam chain will catch between crank-
case and cam chain drive sprocket.