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BRIGGS
& STRATTON
MODEL NO. 12H802
4-CYCLE
ENGINE
TYPE NO. 1978-E1
PART
NO.
NO.
1
493260
2
293708
3
299819
4
493279
5
214368
7
272916
8
495786
9
272481
9A
272238
10
94650
11
231933
12
272198
13
94547
15
94880
16
498565
94388
20
399781
22
94220
94612
23
492177
24
222698
25
499429
499430
499431
499432
26
499425
499426
499427
499426
27
263190
28
499423
29
499424
32
94699
33
262651
34
262652
35
262224
40
93312
45
262204
46
498275
47
493737
51
272199
DESCRIPTION
PART
NO.
NO.
DESCRIPTION
CylinderAssembly
54
94526
Bushing, Cylinder
55
497442
• Seal, Oil
56
498144
Sump, Engine
58
280399
Head, Cylinder
....
Gasket, Cylinder Head
60
261434
Breather Assembly
65
94696
.... Gasket, Valve Cover
81
223664
* Gasket, Baffle Plate
95
94098
Screw, Hex Head
104
231371
Tube, Breather
110
- - -
* Gasket, Crankcase
Screw, Cylinder Head
117
494870
Plug, Oil Drain
121
498260
Crankshaft
124
94840
Timing Gear Key
• Seal, Oil
125
498170
Screw, Hex Head
127
- - -
Screw, Hex Head
(Used in Hole Nearest
130
224908
Breather)
131
493267
Flywheel
133
398187
Key, Flywheel
134
398188
Piston Assembly,
Standard Size
137
- - -
Piston Assy. (.010" O.S.)
Piston Assy, (.020" O.S.)
163
272653
Piston Assy, (.030" O.S.)
187
298049
Ring Set, Piston,
188
398540
Standard Size
188A
94644
Ring Set (.010" O.S.)
202
262579
Ring Set (.020" 03.)
209
263044
Ring Set (.030" O.S.)
Lock, Piston Pin
Pin, Piston, Standard
Size
Rod, Connecting,
Standard Size
Screw, Connecting Rod
Valve, Exhaust
Valve, Intake
Spring, Valve
Retainer, Valve Spring
Tappet, Valve
Gear, Cam
Slinger, Oil
* Gasket, Intake Elbow
Screw, Hex Head
Housing, Rewind Stader
Pulley, Rewind Starter
Rope, Rewind Starter
(Cut To 88-5/8")
Grip, Starter Rope
Screw, Phillips
Lock, Muffler Screw
Screw, Round Head
** Pin, Float Hinge
*** Gasket, Sealing (Sold in
Kit Only)
Jet, Main
Carburetor Kit
Screw, Carburetor
Mounting
Carburetor
• * Plug, Welch (Sold in Kit
Only)
Valve, Throttle
Shaft, Throttle
Float, Carburetor
Valve, Inlet (includes
Seat)
*** Gasket, Bowl (Sold in Kit
Only)
* Gasket, Air Cleaner
Hose, Fuel
Screw, Hex Head
Screw, Hex Head
Link, Governor
Spring, Governor
Included in Gasket Set (497316)
**
Included in Carburetor Kit (498260)
***
Included in both Carburetor Kit (498260),
and Carburetor Gasket Set (498261)
....
Included in both Gasket Set (497316),
Set (497316) and Valve overhaul
Gasket Set (498528).
NOTE: Allcomponent dimensions given in U.S. inches
1 inch = 25.4 mm
46
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