Yamaha VMX12H Supplementary Service Manual page 171

M I DDLE G EAR SERVI CE
Exam pl e: Sel ect i on of t he dri ve pi ni on gear
shi m ;
Shi m Thi ckness =
Di st ance "A " - D i st ance "B "
I f t he dr i ve pi ni on gear i s st am ped " 03" ( pl us
(+ 03) i s i m pl i ed her e si nce onl y t he m i nus
(-) desi gnat i ons ar e st am ped al ongsi de t he
num bers), t hen:
" A" = 53 -- 0. 03
= 54. 53
NO TE:
Al l st am ped num ber s ar e i n hundr edt hs of a
m m .
I f t he l ef t - si de- r ear of t he upper cr ankcase
i s stam ped t hen:
= 53 + 0. 95
= 53. 95
Therefore:
T = A - B
54. 53 53. 95
= 0. 58 m m
cal cul at ed shi m t hi ckness i s 0. 58 m m .
Because shi m can onl y be sel ect ed i n 0. 05
m m i ncr em ent s, use t he f ol l ow i ng char t t o
r ound of f t he hundr edt hs di gi t of t he cal cu-
l at ed t hi ckness and sel est t he appr opr i at e
shi m ,
t he above exam pl e, t he cal cul at ed
shi m t hi ckness of 0. 58 m m i s r ounded of f t o
0. 60 m m . Ther ef or e, you m ay choose ei t her
4 0. 15 m m shi m s, 2
1 0. 30 m m and 2
sel ect ed f r om t he shi m
bel ow . Shi m si ze ar e suppl i ed i n t he f ol l ow -
i ng t hi cknesses:
D r i ve Pi ni on G ear Shi m
0. 30 m m shi m s, or
0. 15 m m shi m s as
t hi ckness char t