Yamaha VMX12H Supplementary Service Manual page 15

I N SPEC TI O N A N D R EPA I R
a pi ece of Pl ast i gauge®
j our nal .
N O TE:
D o not put t he Pl ast i gauge®
hol e i n t he m ai n j our nal of t he cr ankshaf t ,
i nst al l t he l ow er hal f of t he bear i ngs i nt o
t he cr ankcase ( l ow er ) and assem bl e t he
cr ankcase hal ves.
N O TE:
Al i gn t he pr oj ect i on of t he bear i ng w i t h
t he not ch i n t he cr ankcase.
D o not m ove t he cr ankshaf t unt i l t he oi l
cl ear ance has been com pl et ed.
Ti ght en t he bol t s t o speci f i cat i on i n t he
t i ght eni ng sequence cast on t he cr ank-
case.
B ol t ( Cr ankcase- M 10) :
40 N m ( 4. 0
W i t h a w asher
•
R em ove t he cr ankcase ( l ow er ) and l ow er
hal f of t he bear i ng.
M easur e t he com pr essed Pl ast i gauge®'
w i dt h on each m ai n j our nal .
I f oi l cl ear ance i s out of speci f i cat i on,
sel ect a r epl acem ent bear i ng.
4. M easur e:
O i l cl ear ance ( cr ank pi n)
O ut of speci f i cat i on
(0. 0008
M easurem ent steps:
D o not i nterchange the beari ngs and con-
nect i ng rod. They m ust be i nst al l ed i n t hei r
ori gi nal posi ti ons, or the correct oi l cl ear-
ance m ay not be obtai ned causi ng engi ne
dam age.
on each m ai n
over t he oi l
29 ft• l b)
R epl ace bear i ng.
0. 0015 i n