Camshaft Journal Wear; Camshaft Runout; Cam Chain 20 Pitch Length - Suzuki GS850G Service Manual

ENGINE
Cam height
I
n ~ n k e
cnmr
Exhaust cam5
t
1
/
' ,
sh
CAMSHAFT JotJRNAI, WEAR
a
Install the camshaft comectly. and using a
-
Plastigage measure the
camshaft
j f i l l r n ~ l
J - t $ .
7-68
clearance.
Camshaft hearing cap
bolt
tigl~tcning
1 A
kg-tn
17.0 Ib-ft)
Camshaft-Journal
clearance
( I N
c %
EX)
Standard
L ~ m i !
0.'37-'.'''5
mfrr
0,150
mm ~ O . I X ) ~ Q
in)
(O.fln15 -0.01126
rn)
If the camshaft journal clearance
rneasitrecl
exceeds
the
tinlit. measure the insidc diameter
CAMSHAFT RUNOUT
Measure
the ritneut with a dial gaugc.
Re-
place thc. camshaft if thc
r t ~ n o u t
excccds
tlic
limit.
Carnshaft
runoirt
(IN &
EX)
Scrvict.
Limit
0.1 rnm (0.004
in)
o l camshaft
bear in^
cap and outsicle diameter
1
o l camshaft. RepIace either thc cylinder head
or the crrrn.;hnfl. whichever thc difference
from specification is greater.
<.
- - :
I' c -
c-
,
Fig.
7-
7(3
I tcni
S~andnrd
Cam\hait journ:+I 11nlrlc.r 1.1). 22.O1 ?-22.OZ$mrn
(tn h t X )
(0.8666-ll.KbT1 ~ n )
21 .'N10-2 1.475 nim
C a r n ~ k i f t
journaf 0.1).
I
8N S: E X )
( , , ,
Hh4h-n.ab52 in)
1
CAM CHAIN 20 PITCH LENGTH
Pull the chain
tiqht to
rernovc iiny sli~ck.
then
using vernier calipers, measure
the
20 pitch
length of cam chain.
I f i t
1ne:tsures mol-c t h
limits. replace the can1
chain.