Onan MJA Series Service Manual page 131

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9. lADLI:
ur
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All values
in
inches unless otherwise specified.
CAMSHAFT .
Bearing Journal Diameter, Front. ....... - ..... .
Bearing Journal Diameter, Rear .... " ........ .
Bearing Journal Diameter, Center
(MJ'C ONLY) ..
Bearing Clearance Limit ..................... .
End Play, Camshaft ......................... .
Cam Tappet Diameter ....................... .
Cam Tappet Hole Diameter ................... .
CONNECTING ROm
Large Bearing Bore Diameter ................. .
S.lDall Bushing Bore Diameter (without bushing) ..
Piston Pin Bushing Inside Diameter (bushing reamed)
Distance Ctr. Large Bearing Bore to Small
Bushing Bore ............................... .
Clearance, Large Bearing to Crankshaft ...... ,.
CYLINDER
Cylinder Bore ............................•...
Cylinder Diameter Limits (honed) ............. .
CRANKSHAFT
Main.Bearing Journal Diameter (MJA, MJB)..... .
Crankshaft Main Bearing Clearance (MJA,
MJE) ..
Main Bearing Journal Diameter CMJC)" ......... .
Crankshaft Main Bearing Clearance(:M.JC) ...... .
Connecting Rod Journal Diameter ...... .'...... .
Connecting Rod Bearing Clearance ............ .
End Play, Crankshaft .•.......................
PISTON
Piston Clearance to Cylinder Wall (3/8" down
from oil ring) . . . . . . . . . . . • . . . . . . . . . . . . . . . . .. .
Ring
Groove Width, Top ..................... .
Ring Groove Width, 2nd •.....................
Ring Grooye Width, 3rd ..................... .
PISTON PIN
Length ..................................... .
Diameter ................................... .
Piston Clearance ............................ .
Connecting Rod Bushing Clearance ............ .
......
.,
2.2500 - 2.2505
1.
1875 - 1.1880
1.
2580 - 1. 2582
· 0012 - . 0037
.007 - .039
.747.5 - . '7480
.7505 - .7515
2.1871 - 2.1876
1. 044 - 1. 045
.9903 - .9906
5.998 -
6~
002
.001- .003
3-1/4
3.2495 - 3.2505
2.2440 - 2.2445
.0014 - .0049
2.2430 -2.2435
.0024 - . 0049
2. 0600 - 2. 0605
.001 - .003
..010 - .015
.0012 - .0032
.096 - .097
.0955 - .0965
.1880 - .1895
2.738 - 2.753
· 9899 - .9901
Thumb Push Fit
· 0002 - . 0007