Honda C8R600F4 Service Manual page 170

CYLINDER HEAD/VALVE
Be sure the dowel
pins in the
camshaft holder
align properly with
the holes in the
cylinder head.
Coat new 0-rings with oil and install them into the
grooves in the camshaft holder.
Loosely install the camshaft holder.
Apply engine oil to the threads and seating
surfaces of the camshaft holder bolts. Install
the twenty bolts with eight new washers as
shown. Finger tighten the bolts.
The camshaft holder has the numbers "1
througn
20"
cast into
it.
Gradually tighten the
the #6, #5, #8, #7, #2 and #1 bolts (in that
order) 1/2 turn at a time to draw the holder
down evenly until the clearance between the
cylinder head and the holder is 2·3mm all the
way around.
If the holder tilts toward the #1 cylinder during
\hia prooeaa, read\uat bolt:;i #6, #$, #8, #7, #2
and #1 as necessary to keep the holder level.
When the holder is parallel with the cylinder
head, resume tightening the bolts in the
sequence specified above.
Once the clearance is within 2-3mm, begin
tightening all the bolts in numerical order (#1,
#2, #3 ... #20) 1/4 to 1/2 turn at a time until the
holder is fully seated against the cylinder
head.
TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft)
Be careful not to
Tum the crankshaft clockwise and align "T" mark
jam the cam chain
on the ignition pulse generator rotor with the index
;it th;;> ('r:;inksh:ift
notch on the right rrankca<;;i? co11er
when turning the
crankshaft,
Install the cam sprockets onto the cam chain and
cam sprocket flanges so that the timing marks
("IN" for intake and "EX" for exhaust) on tha
sprockets are flush with the cylinder head surface
and facing outward as shown.
Make sure that both No. 1 cam lobes are facing up
diagonally, align the bolt holes in the cam
sprockets and camshafts.
CAM CHAIN
No .1 CAM LOBES
-
8-20
Revised March, 2000, 1999-2000 CBR600F4
©2000 American Honda Motor Co. Inc., • All Rights Reseved
MSV 8757 (0001)