AYP 8904A Parts List

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8904A (1999 & Before)

Page 1 of 17

ENGINE PARTS ILLUSTRATION

 

8904A (1999 & Before)

Page 2 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

 

Ref #

Part Number

Qty Description

1

493260

CYLINDER ASSY

 

2

293708

BUSHING, CYLINDER

3

299819

SEAL, OIL

5

213861

HEAD, CYLINDER

7

272200

GASKET CYLINDER HEAD

8

494489

BREATHER, VALVE CHAMBER

9

272481

GASKET, VALVE COVER

9A

272238

GASKET, BAFFLE PLATE

10

94650

SCREW

11

231685

TUBE, BREATHER

12

272198

GASKET, CRANKCASE

13

94547

SCREW, CYLINDER HEAD

15

93418

PLUG, OIL DRAIN

16

493362

CRANKSHAFT

 

94388

TIMING GEAR KEY

18

493279

SUMP, ENGINE

20

399781

SEAL, OIL

22

94220

SCREW, HEX HEAD

 

94612

SCREW, HEX HEAD

23

492177

FLYWHEEL

24

222698

KEY, FLYWHEEL

25

493262

PISTON ASSY STANDARD SIZE

 

493385

PISTON ASSY

 

493386

PISTON ASSY

 

493387

PISTON ASSY

26

493261

RING SET, PISTON, STANDARD SIZE

 

493388

RING SET, PISTON, .010" OVERSIZE

 

493390

RING SET, PISTON, .030" OVERSIZE

27

26026

LOCK, PISTON PIN

28

298909

PIN ASSY, PISTON, STD

 

298908

PIN ASSEMBLY, PISTON .005" OVERSIZE

29

490566

ROD, CONNECTING

 

490743

ROD, CONNECTING, .020" UNDERSIZE

32

94405

SCREW CONNECTING ROD

33

262651

VALVE, EXHAUST

34

262652

VALVE, INTAKE

35

262224

SPRING, VALVE

40

93312

RETAINER, VALVE SPRING

45

262204

TAPPET, VALVE

46

492830

GEAR, CAM

47

493737

SLINGER, OIL

52

272199

GASKET, INTAKE ELBOW

54

94526

SCREW, HEX HEAD

55

492831

HOUSING REWIND STARTER

56

492832

PULLEY REWING STARTER

57

262594

SPRING, REWIND STARTER

58

280399

ROPE, REWIND STARTER (CUT TO 88-5/8)

59

396892

INSERT, HANDLE

60

393152

HANDLE, REWIND STARTER

69

280973

WASHER

69A

224322

WASHER

81

223664

LOCK, MUFFLER SCREW

95

94098

SCREW, THROTTLE

98

398185

SCREW IDLE ADJ

98A

493280

SCREW ASSY SPEED ADJ

104

231371

PIN, FLOAT HINGE

108

223471

VALVE CHOKE

116

 

REFER TO IMAGE

8904A (1999 & Before)

Page 3 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

 

Ref #

Part Number

Qty Description

118

493765

VALVE AND SPRING NEEDLE

 

121

493762

CARB OVERHAUL KIT

124

94525

SCREW, CARBURETOR MOUNTING

125

494217

CARB ASSY

127

 

REFER TO IMAGE

130

223470

VALVE THROTTLE

131

493267

SHAFT, THROTTLE

133

398187

FLOAT, CARBURETOR

134

398188

VALVE, INLET

137

 

REFER TO IMAGE

141

494218

SHAFT CHOKE

163

272296

GASKET, AIR CLEANER

187

492790

HOSE, FUEL

188

398540

SCREW, HEX HEAD

188A

94644

SCREW, HEX HEAD

201

262579

LINK, GOVERNOR

209

262660

SPRING, GOVERNOR

227

492349

LEVER, GOVERNOR

230

67072

WASHER, THRUST

258

94512

SCREW, HEX HEAD

284

94511

SCREW, HEX HEAD

300

490547

MUFFLER EXHAUST

304

493293

HOUSING, BLOWER

305

94513

SCREW, SEMS, AIR CLEANER

306

224324

SHIELD, CYLINDER

307

94515

SCREW HEX HD

332

92284

NUT, FLYWHEEL

333

802574

ARMATURE, MAGNETO

334

93381

SCREW, SEM, ARMATURE MOUNTING

337

802592

PLUG, SPARK

356

398808

WIRE, GROUND

358

493263

GASKET SET

363

19069

PULLEY, FLYWHEEL

383

89838

WRENCH SPARK PLUG

455

224250

CUP, STARTER

456

224321

RETAINER, REWIND STARTER

459

492833

PAWL, STARTER

461

262626

PIN, STARTER

515

262625

SPRING, TORSION

523

493950

CAP WITH DIPSTICK

524

280393

SEAL, FILLER TUBE

525

493952

TUBE OIL FILLER

529

280943

GROMMET BREATHER

562

92613

BOLT, GOVERNOR LEVER

572

224328

BAFFLE, CYLINDER

592

231082

NUT, HEX

601

93807

CLAMP HOSE

608

493295

STARTER ASSY REWIND

 

94128

SCREW, HEX HEAD

 

92987

NUT, HEX

613

94231

SCREW, HEX HEAD

615

94474

FASTENER

616

262578

CRANK, GOVERNOR

617

270344

SEAL, FUEL INTAKE TUBE

618

262749

SPRING CHOKE REWIND

620

493894

BRKT ASSY

621

396847

SWITCH, STOP

625

492717

TUBE FUEL INTAKE

8904A (1999 & Before)

Page 4 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

 

Ref #

Part Number

Qty Description

634

 

REFER TO IMAGE

 

635

66538

ELBOW, SPARK PLUG

670

280512

SPACER, FUEL TANK

670A

493823

SPACER, BRACKET

741

262598

GEAR, TIMING

842

280966

SEAL, O-RING

847

493459

DIPSTICK AND TUBE ASSY OIL FILLER

851

221798

TERMINAL, IGNITION CABLE

869

213512

SEAT, INTAKE VALVE

870

213513

SEAT, EXHAUST VALVE

871

262001

GUIDE, EXHAUST VALVE

 

63709

GUIDE, INTAKE VALVE

922

262640

SPRING, BRAKE

923

493442

BRAKE ASSEMBLY

949

281136

GUARD FINGER

955

493869

SCREW, BOWL MOUNTING

957

397974

CAP, FUEL TANK

966

492363

BASE AIR CLEANER

967

491588

SUB= 3364

968

280937

COVER AIR CLEANER

969

94120

SCREW, HEX HEAD

971

94269

SCREW, AIR CLEANER

971A

94121

SCREW, HEX HEAD

972

494528

TANK ASSY FUEL BOWL ASSY

975

493640

BOWL, FLOAT

977

490937

GASKET SET, CARBURETOR

1016

224278

COVER, REWIND STARTER

1019

494256

LABEL KIT

8904A (1999 & Before)

Page 5 of 17

ENGINE PARTS ILLUSTRATION

 

8904A (1999 & Before)

Page 6 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

 

Ref #

Part Number

Qty Description

1

493260

CYLINDER ASSY

 

2

293708

BUSHING, CYLINDER

3

299819

SEAL, OIL

5

213861

HEAD, CYLINDER

7

272200

GASKET CYLINDER HEAD

8

494489

BREATHER, VALVE CHAMBER

9

272481

GASKET, VALVE COVER

9A

272238

GASKET, BAFFLE PLATE

10

94650

SCREW

11

231685

TUBE, BREATHER

12

272198

GASKET, CRANKCASE

13

94547

SCREW, CYLINDER HEAD

15

93418

PLUG, OIL DRAIN

16

493362

CRANKSHAFT

 

94388

TIMING GEAR KEY

18

493279

SUMP, ENGINE

20

399781

SEAL, OIL

22

94220

SCREW, HEX HEAD

 

94612

SCREW, HEX HEAD

23

492177

FLYWHEEL

24

222698

KEY, FLYWHEEL

25

493262

PISTON ASSY STANDARD SIZE

 

493385

PISTON ASSY

 

493386

PISTON ASSY

 

493387

PISTON ASSY

26

493261

RING SET, PISTON, STANDARD SIZE

 

493388

RING SET, PISTON, .010" OVERSIZE

 

493389

RING SET, PISTON, .020" OVERSIZE

 

493390

RING SET, PISTON, .030" OVERSIZE

27

26026

LOCK, PISTON PIN

28

298909

PIN ASSY, PISTON, STD

 

298908

PIN ASSEMBLY, PISTON .005" OVERSIZE

29

490566

ROD, CONNECTING

 

490743

ROD, CONNECTING, .020" UNDERSIZE

32

94405

SCREW CONNECTING ROD

33

262651

VALVE, EXHAUST

34

262652

VALVE, INTAKE

35

262224

SPRING, VALVE

40

93312

RETAINER, VALVE SPRING

45

262204

TAPPET, VALVE

46

492830

GEAR, CAM

47

493737

SLINGER, OIL

52

272199

GASKET, INTAKE ELBOW

54

94526

SCREW, HEX HEAD

55

492831

HOUSING REWIND STARTER

56

492832

PULLEY REWING STARTER

57

262594

SPRING, REWIND STARTER

58

280399

ROPE, REWIND STARTER (CUT TO 88-5/8)

59

396892

INSERT, HANDLE

60

393152

HANDLE, REWIND STARTER

69

280973

WASHER

69X

224322

WASHER

81

223664

LOCK, MUFFLER SCREW

95

94098

SCREW, THROTTLE

133

398187

FLOAT, CARBURETOR

98A

493280

SCREW ASSY SPEED ADJ

104

231371

PIN, FLOAT HINGE

108

223471

VALVE CHOKE

8904A (1999 & Before)

Page 7 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

Ref # Part Number

Qty Description

116

 

REFER TO IMAGE

 

118

493765

VALVE AND SPRING NEEDLE

118

493762

CARB OVERHAUL KIT

124

94525

SCREW, CARBURETOR MOUNTING

125

494217

CARB ASSY

127

 

REFER TO IMAGE

130

223470

VALVE THROTTLE

131

493267

SHAFT, THROTTLE

134

398188

VALVE, INLET

137

 

REFER TO IMAGE

141

494218

SHAFT CHOKE

8904A (1999 & Before)

Page 8 of 17

ENGINE PARTS ILLUSTRATION

 

8904A (1999 & Before)

Page 9 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

 

Ref #

Part Number

Qty Description

1

493260

CYLINDER ASSY

 

2

293708

BUSHING, CYLINDER

3

299819

SEAL, OIL

5

213861

HEAD, CYLINDER

7

272200

GASKET CYLINDER HEAD

8

494489

BREATHER, VALVE CHAMBER

9

272481

GASKET, VALVE COVER

9A

272238

GASKET, BAFFLE PLATE

10

94650

SCREW

11

231685

TUBE, BREATHER

12

272198

GASKET, CRANKCASE

13

94547

SCREW, CYLINDER HEAD

15

93418

PLUG, OIL DRAIN

16

493362

CRANKSHAFT

 

94388

TIMING GEAR KEY

18

493279

SUMP, ENGINE

20

399781

SEAL, OIL

22

94220

SCREW, HEX HEAD

 

94612

SCREW, HEX HEAD

23

492177

FLYWHEEL

24

222698

KEY, FLYWHEEL

25

493262

PISTON ASSY STANDARD SIZE

 

493385

PISTON ASSY

 

493386

PISTON ASSY

 

493387

PISTON ASSY

26

493261

RING SET, PISTON, STANDARD SIZE

 

493388

RING SET, PISTON, .010" OVERSIZE

 

493389

RING SET, PISTON, .020" OVERSIZE

 

493390

RING SET, PISTON, .030" OVERSIZE

27

26026

LOCK, PISTON PIN

28

298909

PIN ASSY, PISTON, STD

 

298908

PIN ASSEMBLY, PISTON .005" OVERSIZE

29

490566

ROD, CONNECTING

 

490743

ROD, CONNECTING, .020" UNDERSIZE

32

94405

SCREW CONNECTING ROD

33

262651

VALVE, EXHAUST

34

262652

VALVE, INTAKE

35

262224

SPRING, VALVE

40

93312

RETAINER, VALVE SPRING

45

262204

TAPPET, VALVE

46

492830

GEAR, CAM

47

493737

SLINGER, OIL

52

272199

GASKET, INTAKE ELBOW

54

94526

SCREW, HEX HEAD

55

492831

HOUSING REWIND STARTER

56

492832

PULLEY REWING STARTER

57

262594

SPRING, REWIND STARTER

58

280399

ROPE, REWIND STARTER (CUT TO 88-5/8)

59

396892

INSERT, HANDLE

60

393152

HANDLE, REWIND STARTER

69

280973

WASHER

69X

224322

WASHER

81

223664

LOCK, MUFFLER SCREW

95

94098

SCREW, THROTTLE

133

398187

FLOAT, CARBURETOR

98A

493280

SCREW ASSY SPEED ADJ

104

231371

PIN, FLOAT HINGE

108

223471

VALVE CHOKE

8904A (1999 & Before)

Page 10 of 17

ENGINE PARTS ILLUSTRATION

 

 

 

 

 

Ref # Part Number

Qty Description

116

 

REFER TO IMAGE

 

118

493765

VALVE AND SPRING NEEDLE

118

493762

CARB OVERHAUL KIT

124

94525

SCREW, CARBURETOR MOUNTING

125

494217

CARB ASSY

127

 

REFER TO IMAGE

130

223470

VALVE THROTTLE

131

493267

SHAFT, THROTTLE

134

398188

VALVE, INLET

137

 

REFER TO IMAGE

141

494218

SHAFT CHOKE