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REPAIR PARTS:
ST/12-GARDEN TRACTOR
MODEL
NO.
917.25930
CARBURETOR
NO. 631878
5
Ref.
Part
No.
No.
631878
1
631879
2
631777
3
631778
4
650506
5
630766
5A
630738
6
650417
7
631880
8
630735
9
631881
10
*630748
11
*631027
11
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Part Name
Carburetor
Shaft
&
Lever
Assembly,
Throttle
Spring,
Throttle return
Shutter,
Throttle
Screw, Rd. hd.
4-40 x 3/16
Spring,
Idle
regulating screw
Spring,
Main
adjustment
screw
Screw,
Idle
regulating
Shaft
&
Lever
Assembly,
Choke
Spring,
Choke
return
Shutter,
Choke
Plug,
Welch
Plug, Welch
_..
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15
··-@'-~
Ref.
No.
12
13
14
1
5
16
21
22
23
24
25
30
31
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31
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n
2 3 -
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22
Part
No.
~
*631021
631022
631023
*631024
631700
631334
*631861
630740
*630898
*631028
630739
631862
Part Name
Inlet
Needle,
Seat
&
Clip,
Assembly (Incl.
No.
13)
Clip,
Inlet
needle
Float,
Carburetor
Shaft,
Float
Bowl,
Float
Gasket,
Bowl-to-body
Adjustment
Screw
Assembly,
Main
(Incl.
Nos. 5A,
21
,
23
&
30)
"0"
Ring, Adjustment
screw
Screw,
Idle
adjustment
Gasket, Bowl-to-body
Washer,
Flat
Repair Kit (Incl.
items marked
*)
.
28.
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