BRIGGS
& STRAT'rON
MODEL NO. 12H802
TYPE NO. 1978-E1
KEY
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
9_880
16
498565
94388
20
399781
22
94220
94612
23
24
25
26
27
28
29
32
33
34
35
40
45
46
492177
222698
499429
499425
263190
499423
499424
94699
26265'1
262652
262224
93312
262204
498275
DESCRIPTION
m_t
i
Cylinder Assembly
Bushing, Cylinder
' Seal, Oil
Sump, Engine
Head, Cylinder
Gasket, Cylinder Head
Breather Assembly
Gasket, Valve Cover
Gasket, Baffle Plate
Screw, Hex Head
Tube, Breather
* Gasket, Crankcase
Screw, Cylinder Head
Plug, Oit Drain
Crankshaft
Timing Gear Key
* Seal, Oil
Screw, Hex Head
Screw, Hex Head
(Used in Hole Nearest
Breather)
Flywheel
'
Key, Flywh'eel
Piston Assembly,
' Standard Size
Ring Set, Piston,
Standard Size
Lock, Piston Pin
Pin, Piston, Standard
Size
Rod, Connecting
Screw, Connecting Rod
Valve, Exhaust
Valve, intake
Spring, Valve
Retainer, Valve Spring
Tappet, Valve
Gear, Cam
KEY
NO.
47
51
54
55
56
58
60
65
8t
95
104
110
117
121
124
125
127
130
t31
133
134
137
I63
187
188
188A
202
2O9
PART
NO,
DESCRIPTION
493737
Slinger, Oil
272199
* Gasket, Intake Elbow
94526
Screw, Hex Head
497442
Housing, Rewind Starter
498144
Pulley, Rewind Starter
280399
Rope, Rewind Starter
(Cut To 88-5/8")
281434
Grip, Starter Rope
94696
Screw, Phillips
223664
Lock, Muffler Screw
94098
Screw, Round Head
231371
** Pin, Float Hinge
- - -
"'* Gasket, Sealing (Sold in
Kit Only)
494870
Jet, Main
498260
Carburetor Kit
94840
Screw, Carburetor
Mounting
498170
Carburetor
...
0, Plug, Welch (Sold in Kit
Only)
224908
Valve, Throttle
493267
Shaft, Throttle
398187
Float, Carburetor
398188
Valve, Inlet (Includes
Seat)
- - -
"*" Gasket, Bowl (Sold in Kit
Only)
272653
"Gasket, Air Cleaner
298049
Hose, Fuel
398540
Screw, Hex Head
94644
Screw, Hex Head
262579
Link, Governor
263044
Spring, Governor
*
Included in Gasket Set (497316)
*"
Included in Carburetor Kit (498260)
***
Included in both Carburetor Kit (498260),
and Carburetor Gasket Set (498261)
NOTE:
Included in both Gasket Set (497316),
Set (497316) and Valve overnauf
Gasket Set (498528)..
All component dimensionsgiven in U.S_inches
1 inch = 25.4 mm
44