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Sears 917.25170 Owner's Manual page 27

16/6 garden tractor

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BEPAIB PARTS
16/6 GARDEN TRACTOR-MODEL NUMBER 917,25170
CRAFTSMAN 4 CYCLE ENGINE.-MODEL NUMBER 143-670032
32622
319r9
32241
32242
32243
32625
32626
33093A
32077
26073
28264
33470
33472
3347t
33505
33645
33506
33646
I
2
3
4
5
6
?
8
I
l0
1I
II
II
II
1l
t2
l3
13
13
l3
l3
t4
15
16
t7
18
I9
20
2t
2l
22
22
24
KEY
PART
NO.
NO.
KEY
PART
NO.
NO.
33
31950
34
30564
35
650492
36
32425
37
32426
38
29193
39
339844
40
33590
4l
*33474
42
33465
45
34046
46
650690
47
65069I
48
650692
49
650746
*33515
33475
6505r2
*33476
33477
A
650378
33478
31963
31964
6505I8
303r2
650544
797s
3r965
3I9B4A
is5s8
3I966
650597
3r967
65059r
33099
*32599
650666
32579
650561
650592
6r0909
650594
610906
670032
33707
3I928
27652
334978
29783
3I93I
3r932
33963
33499
32238
32239
32240
32621
33507
33508
33509
335r0
.t,t+
I
J
650745
30590A
3I948
*3I956
34002
DESCRIPTION
Complete
Engine
Cylinder Assy. (Incl. Nos.
4
&
33)
Cup,
Bearing
Pin,
Dowel
Crankshaft Assy. (Incl. Nos.
3,
6
thru
I0
&
132)
Pin, Crankshaft gear
Gear,
Crankshaft
Bearing, Tapered
roller
Gear,
Counterbalance weight
Spacer
Piston
& Pin
Assy. (Incl. 2
of
No. 12) (Standard)
Piston
& Pin
Assy. (Incl. 2
of
No. 12)
(.010
oversize)
Piston
& Pin
Assy. (Incl.
2 of
No. 12)
(.020
oversize)
Piston
& Pin
Assy. (IncI. 2
of
No. 12)
(.030
oversize)
Piston
& Pin
Assy. (Incl.
2 of
No. 12)
(.040
oversize)
Ring, Piston
pin
retaining
Ring Set, Piston
(Standard)
Ring Sel, Piston
(.010 over-
size)
Ring
size)
Ring
size)
Ring
size)
Set, Piston
(.020 over-
Set, Piston
(.030 over-
Set, Piston
(.040 over-
Rod Assy..
Connecting (Incl.
Nos.
15,
16
&
I7)
Bolt,
Connecting
rod
Washer, Connecting
rod
Nut, Lock
Camsha[l (Mech.
Compres-
sion Release)
Lifter,
Valve
Rod, Push
Valve,
Intake
(Standard)
Valve, Intake
O./32" ovetsize)
Valve, Exhaust
(Standard)
Valve. Exhaust
(l/32"
over-
size)
Spring, Valve
Retainer
&
Cap Set,
Keeper
valve
"o"
Ring
Cap,
Valve
Gear
&
Shaft Assy., Governor
Washer,
Flat
Washer,
Flat
Spool,
Governor
Gasket,
Cylinder cover
Cover Assy.. Cylinder
(Incl.
Nos.
33
&
134)
50
51
53
54
55
l)t)
57
58
'59
60
6l
DESCR
IPTION
Seal,
Oil
Screw,
Hex hd. cap
Sems,
l/4-2O
x
I
Screw, Hex
hd.
Sems,
l/4-20
x 2-l/4
Rod Assy.,
Governor
Spacer,
Governor rod
Ring, Retaining
Dipstick, Oil
fill
(Incl.
No.
40)
"o"
Ring
Gasket,
Cylinder head
Head,
Cylinder
Plug, Spark
Washer,
Belleville
Washer,
Flat
Serew,
Hex
hd.
cap,
5/I6-f8
x l-3/4
Screw,
Hex
hd.
cap,
5/t6-18
x
I-3/8
Gasket,
Intake pipe
Pipe, Intake
Screw, Hex
hd.
Sems,
5/16-18
x7/8
Gasket,
Carburetor
Baffle, Air
extension
Screw,
Fil.
hd.
Sems,
5/16-18
x
l-l/8
Link, Governor
Lever,
Governor
adjusting
Clamp, Governor lever
Lockwasher, No. E.T.
Screw, Hex slotted washer hd.,
70-32
x
l/2
Screw, Pan
flex hd.,
10-24
x
Nut, Square,
10-24
Plate, Governor spring
Lever Assy., Control
Washer, Wave
Bushing, Lever
Screw, Hex washer hd. mach.,
10-24
x 5/8
Spring, Governor
Screw,
Fil.
Slotted hd. mach.,
10-24
x
2
Spring, Locking
"o"
Ring
Washer,
Lock
Baffle, Blower
housing
Screw,
Phil. hex hd.
Sems,
I/4-20 x.5/8
Key, Flywheel
Flywheel
Nut, Flywheel
Magneto. Solid
state (Incl.
Nos.
l5B
thru
1604)
*Indicates
Parts
Included
in
Gasket
Set, Ref.
No.
I73.
25
26
27
28
29
30
3l
32
62
63
64
65
bt)
67
6B
69
70
71
72
73
74
75
76
77
<5)
-25-

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