JIMS Box 3 1208-1353 (all models of 120, 131, or 135 Alpha, Beta and EVO Mount Engines (Including Kits) User Manual
Page 19
![background image](https://www.manualsdir.com/files/791746/content/doc019.png)
555 Dawson Drive, Camarillo, CA 93012 Phone 805-482-6913 • Fax 805-482-7422
18
Rev I
9-12
No.1208-1353
A Division of Thiessen Products, INC
IIn
ns
st
tr
ru
uc
ct
tiio
on
n S
Sh
he
ee
et
t F
Fo
or
r B
Bo
ox
x 3
3 1
12
20
0”
”,, 1
13
31
1”
”,, o
or
r 1
13
35
5”
”
E
En
ng
giin
ne
e A
As
ss
se
em
mb
bl
liie
es
s O
Or
r E
En
ng
giin
ne
e R
Ra
ac
ce
e K
Kiit
ts
s
6. Piston Replace if more than
Fit in cylinder .006
Piston pin fit (wrist pin) .0012
Compression rings .030
Oil control rings .070
Ring side clearance compression rings .004
Ring side clearance oil control rings .008
7. Connecting rod Replace if more than
Piston pin fit (wrist pin) .0012
Side play between flywheels
(female rod end play) .024
Fit on crank pin (up and down play) .002
8. Flywheel runout not to exceed .005 in truing stand
End play ( F/W in left bearing) .006
Inspect shaft bearing journals for scoring,
galling or wear, not to exceed .0005 runout in a truing stand.
9. Oil Pressure at 2000 rpm with an oil temperature of 230
〫F.
Should be 25 to 35 PSI, using the correct oil viscosity for
the ambient temperature engine will be operating in.
10. Balancer components Replace if more than
Balance chain guides (front & rear) .060 to .070
Balance chain guides (lower) .060 to .070
Inspect other balancer components using H/D services
manual)