Honda CBR600F4i Series Service Manual page 251

CYLINDER HEAD/VALVES
CAM CHAIN GUIDE B
Inspect the cam chain s lippP.r surface ot the cam chain
guide for wear or damage.
CAMSHAFT OIL CLEARANCE
Remove tho cylinder head and valves (page 8-1 1 ).
Wipe any o il from the jo11rn11 ls of th e camshaft, cylin-
der head and coms hoft holders.
Lay a strip of plastigauge lengthwise
011
lop of eac.:h
camshaft journal.
Do nor
ror11rG rh0
Install the camshaft holder onto the camshafts.
cerr,sM// v,11en
Apply engine oil t o the th reads and seating su rfaces
" " i,10
pt;,5rioauoe of the camshaft holder bolts.
8-10
Install the twenty holder bolts with the eight sealing
washers.
In case the valves in cyli nder head:
Thre c.;am shafl hultler have lhe number " 1 lhru 20".
Temporari ly tighten the four bolts of the center area
graduolly in the sequence 6 - 5 - 8 - 7 until the dowel
pins on the camshaft holder inserts into the pi n holes
in the cylinder head properly. (The clearance between
the holder and head is 1 - 5 mm)
Next tighten th e all holder bolts in numerical order
casl on the camsha ft holder ( 1 lhru. 20) in several
sters, then tighten them to the spec if ied torque .
TORQUE: 12 N•m (1.2 kgf•m, 9 lbf.ft)
Remove the comshoft holders ond meosure t he width
of each plast igauge.
The widest thickness determ ines the oi l clea rance.
SERVICE LIMIT: 0.10
mm (0.004 In}
When the service limits are excee<led, replace the
camshaft and recheck the o il clea rance.
Rreplilc.:e thre cyli nder head and c.:am shafl huldrers as il
set if the cleara nce still exceeds the service lim it.
CAM CHAIN GUIDE 8
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