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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)
*** Includedinboth Carburetor Kit (498260),
and Carburetor Gasket Set (498261)
.... Included inboth 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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