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BRIGGS & STRATTON MODEL NUMBER 12H802
4-CYCLE ENGINE TYPE NO,2639-B1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO.
1 493260 C_linder Assembly 163 272653,O.t
2 399269 Kd-Bushing/Seal 187 691050
3 299819 • Seal-Oil (Magneto Side)
4 493279 Sump-Engine 188 690877
5 691160 Head-Cylinder 190 690940
7 692249 ,+ Gasket-Cylinder Head 202 691829
8 695250 Breather Assembly 209 690319
9 272481 ,+ Gasket-Breather 222 692467
10 691125 Screw (Breather Assembly) 227 690783
11 691781 Tube-Breather 276 271716 _:_
12 692232 • Gasket-Crankcase 287 690940
13 690912 Screw (Cylinder Head) 300 692038
15 691680 Plug-Oil Drain 304 695892
16 691451 Crankshaft 305 691108
20 399781 * Seal-Oil (PTO Side) 306 690450
22 691092 Screw (Engine Sump) 307 690345
23 692315 Flywheel 332 690662
24 222698 Key.Flywheel 333 802574
25 499429 Piston Assembly (Standard) 334 691061
499430 Piston Assembly (.0t(T O.S.) 337 802592
499431 Piston Assembly (.020" O.S.) 356 692390
499432 Piston Assembly(.030" O.S.) 358 497316
26 499425 Ring Set-Piston (Standard) 363 19069
499426 Ring Set-Piston (.010" O.S.) 365 692524
499427 Ring Set-Piston (.020"O.S.) 383 89838
499428 Ring Set-Piston (.030" O.S.) 404 690272
27 691866 Lock.Piston Pin 425 690670
28 499423 Pin*Piston 443 692523
29 499424 Rod-Connecting
32 691664 Screw Connecting Rod 445 491588
32A 695759 Screw Connectng Rod 455 691219
33 262651 Valve-Exhaust 456 692299
34 262652 Valve.intake 459 281505
35 691270 Spring-Valve (intake) 505 231082
36 691270 Spring-Valve (Exhaust) 523 495264
40 692194 Retainer-Valve 524 692296 •
43 691997 Slinger-Governor/Oil 525 495265
45 690548 Tappet-Valve 529 691923
46 691449 Camshaft 562 92613
48 498826 Short Block (Roplacemant 584 692342
Engine 12J802-2915-B1) 585 691879 •
50 497465 Manifold-Intake 592 690800
51 272199 , Gasket-Intake 597 691696
54 691650 Screw (Intake Manifold) 601 95162
55 691421 Housing-Rewind Starter 608 497680
58 692259 Rope-Starter (Cut to 613 691340
Required Length) 615 690340
60 281434 Gdp-Stader Rope 616 691306
65 690759 Screw (Rewind Starter) 617 270344 O_:
81 691740 Lock-Mufflar Screw 621 692310
95 691636 Screw (Throttle Valve) 635 66538 °
97 493267 Shaft-Throttle 668 493823
104 691242 _ Pin-Float Hinge 670 692294
117 494870 Jet-Maln (Standard)
497315 Jet-Main (High Altitude)
121 498260 Kit-Carburetor Overhaul Included in
125 498170 Carburetor 358
127 694468 _ Plug-Welch O Included in
130 691203 Valve-Throttle No, 121
133 398187 Float-CarbunHor :_ Inoluded _n
134 398188 _ Valve-Needle/Seat No. 977
137 693981 _._ Gasket-Float Bowl + Included in
146 690979 Key-Timing 1095
159 691753 Bracket-AftCleaner Primer
DESCRIPTION
Gasket-Air Cleaner
Line-Fuel (Cut to Required
Length)
Screw (Control Bracket
Screw (Fue Tank)
Link-Manhenical Governor
Spring-Governor
Bracket-Contro_
Control Lever-Governor
Sealing Washer
Screw (DipstickTube)
Muffler
Hous_ng-Elower
Screw (Blower Housing
Shlald-Cylinder
Screw (Cyllader Shield
Nut (Flywhee
Armature-Magneto
Screw (Armature Magneto)
Spark Plug
Wire-Stop
Engine Gasket Set
Flywheel Pullar
Screw (Carburetor)
Wrench-Spark Plug
Washer (Governor Crank)
Screw (AirCleaner Cover)
Screw (AirCleaner Pdmer
Base)
Filter-Aft Cleaner Cartridge
Cup-Fl_wheel
Plate-Paw1 FdcUon
PawI-Ratchet
Nut (Govemor Control Lever)
Dipstick
Seal-Dipstick Tube
Tube-Dipstick
Grommet
Bolt (Governor Control Lever)
Cover-Breather Passage
Gasket-Breather Passage
Nut (Rewind Starter)
Screw (Pawl FrictionPlate)
Clamp-Hose
Stader-Rewind
Screw (Muffler)
Retainer-Governor Shaft
Crank-Governor
SeaI-O Ring (Intake Manifold)
Switch-Stop
Boot-Sparkplug
Spacer (Inc=udas2)
Spacer-Fuel Tank
Engine Gasket Set, Key. No.
Carburetor Overhaul Kit, Key.
Carburetor Gasket Set, Key.
Valve Overhaul Kit, Key. No,
NOTE: All component dimensions givenin U.S.
inches 1 mch = 25.4 mm
4O