Suzuki GW250, Руководство по обслуживанию, Страница: 137 / 478

ENGINE 3-89
CAMSHAFT
• Turn the crankshaft counterclockwise and align the “I R” line
on the generator rotor with the index mark
A
of valve timing
inspection hole while keeping the cam chain pulled upward.
NOTE:
* Pull the cam chain upward, or the chain will be caught
between crankcase and cam drive sprocket.
* To adjust the camshaft timing correctly, be sure to align the
“I R” line with the index mark
A
and hold this position when
installing the camshafts.
• Before placing the camshaft on cylinder head, apply molybde-
num oil solution to their journals and cam faces.

MOLYBDENUM OIL SOLUTION
• Apply a engine oil to the camshaft journal holders.
• Install the C-ring
1
.
NOTE:
Be careful not to drop the C-ring
1
into the cylinder head.
• Position the camshaft
2
, cam chain
3
and camshaft
sprocket
4
.
NOTE:
Position the camshaft sprocket so that the stamped mark side
B
faces #2 cylinder side.
• Align the notches
C
on the camshaft left end with the cylinder
head top surface.
• Align the engraved lines
D
on the camshaft sprocket
4
with
the cylinder head top surface and engage the cam chain
3
with the camshaft sprocket
4
.
• Set the cam sprocket
4
onto the camshaft
2
as shown.
• Tighten the camshaft sprocket bolt
5
temporarily.
R
EX.
IN.