Suzuki GSXR-1100 1990 - Page 62

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3·29 E NGINE
VALVE STEM ENO CONDITION
CAUTIO N,
• Re fac ing the valve stem e nd face is permissible where
lhe l ength :'1 ; will n ot b<i red u ced 10 lo ss tha n 2.5 mm ,
If this. le ngth becom es sho rter than 2.5 mm, then the
v a lve must be replaced.
• After installing the valve whose s tem end has been
9ro,.md off as (tbovo. cho-ck 1h at tho f ace ~f: of va lv e stem
end is a bove the valve cotter , 3i .
VALVE SPRINGS
T he force of t he two c oil s prings k eeps t he valv e seat ti ght
We<1kuned s prings rusult ,n rcdu co d cm o1r,c pow er 011tp111, F,i n<I
often acco~ •n t for the ch aue ri ng no ise com in g ham t he valv e
mech an i sm .
Ch E!Ck. th e valve sp rin gs for proper ,t r eng th by measu ring th a ir
fr ee leng th s a nd al so by the for ce r equire d to compross them ,
If the s1 >,in9 leni:ith is less than 1he serv i c:P. lim it . or if the forc e
raqu,, ed to compr e~s th u sp,mo docs u ot fall wilhin the rt'lnge
s riecif i ed, rep l ac e bot h thr. inn er and out er springs as u suL
CAUTION:
Ro plaeo both the v alve spr ing s. In n er a nd outf)r , at a time,
if a ny one of the se is found to be beyond tho lim l l.
Valve spring free length
. . . INNER , 35 .0 mm (1 . 38 I nt
Service Limit OUTER : 37 .8 mm (1.49 in•
Valve spr ing tension
INNER : 5,3 - 6,5 k\) / 28 lllr'll
Standard n1.7 - 14.3 lb s/1.10 in)
OUT ER 13 .1 - 16 .1 k 9/3 1.S mm
i28.9 - 33 .3 lb s/1 . 24 in)