Sears 536.79751 owner manual Cycle Engine Model, 3OO

/

/

CRAFTSMAN

4-CYCLE ENGINE MODEL: 143.804082

Ref Part

No.No,

134708A

226727

1428277

1531334

1831336

1731335

16650548

1934593

2032600

25t33342

25P t650139

25B t30332

26650561

303473O

4034514

4O 34515

4O 34516

41325388

4132548B

4132549B

4228986

4228£87

4228988

4320381

4530963B

4632610A

48 27241

49 28594

5O 33149A

69 *276T/A

7O 30941D

7227642

7528208

8030574

8135479

82 30591

83 30598A

84 29193

86 650488

89 610961

90 611080

92 650815

93 650816

10034443A

t02 650872

103650814

11035182

119 29953C

12o 30579A

125 29313C

125 29315C

12629314B

12629315C

130_21A

131650694A

f32 650708

13533_6

P_tName

Ref°

Part

No,

No.

Cylinder

Assy.

(IncL

Nos. 2,

20

8- 72)

150

31672

Pin,

Dowel

151

31673

Washer,

Flat

169

"27234A

Rod,

Governor

170

27686

Lever,

Governor

171

31410

Clamp,

Governor

lever

172

34146

Screw,

Hex washer

hdo,

8-32

x

5/16

173

35350

Spring,

Extension

174

650128

Seal,

Oil

178

29752

Baffle,

Blower

housing

t79

30593

Screw,

Fil.

hdo Seres,

8-32 x

1/2

180

33341

Locknut,

Hex

"Keps',

8-32

181

650884

Screw,

Hex washer

hd.

Durlok,

1/420

182

6201

x 518

184

"31688A

Crankshaft

Assyo

t85

34597

Piston,

Pin

8.

Ring

Assy.

(Std)

(incl.

186

31341

Nas,,41, 42

8- 43)

208

t33838A

Piston, Pin _ Ring Assy. (.010 over-

203

31342

size)

(lncL

Nos.

41,

42

8. 43)

Piston,

Pin

8

Ring

Assy.

(.020

over-

2O4

650549

size)

(Incl.

Nos.

41,

42

8

43)

206

610973

Piston

8 Pin Assy.

(Std,)

(Incl

Noo 43)

215

32410

Piston

E_

Pin

Assy.

(010

oversize)

223

8£-43451

(IncL

No.

43)

224

"32649A

Piston

8- Pin Assyo (.020 oversize)

238

6_32

:Incl.

Nor

43)

239

Ring

Set,

Piston

(Std.)

*34338

Ring

Set,

Piston (O10 oversize)

245

35066

Ring

Set,

Piston

(,020

oversize)

249

35797

Ring,

Piston

pin

retaining

25O

35065

Rod

Assy,,

Connecting

(lncf

Nos.. 46

2_

35585

r_ 4,9)

261

29212

Bolt,

Connecting

rod

274

"30081A

Lifter,

Valve

275

30996

Dipper,

Oil

277

650493

Camshaft

(Compression

Release)

284

30997

Gasket,

Cylinder

cover

284A

650665

Cover, Cylinder tinct Nos 75, 80, 311

285

34694

E 3t2)

Plug, Pipe (1/4-18)

287

65O884

Seal,

Oil

29O

29774

Shaft,

Mechanical

governor

292

2646O

Washer,

Flat

298

65O665

Gear, Governor (Incl No 81)

Spool,

Governor

3OO

32660A

Ring,

Retaining

301

';

33032

Screw,

Hex

hd.

Seres,

1/4-20

x

1-1/4

31t

i

27625

Key,

Flywheel

312

I

*29673

Flywheel

313

t

34O80

Washer,

Betleville

327

I

35392

Nut,

Flywheel

339

I

28212

Solid

_;tate

Assy.

34O

I

32681

Stud,

Solid

state

mounting

345

I

32664

Screw,

Torx

hex

washer

hd

Sems,

370

I

35344

t0-24 x 1

370A

I

34346

Wire,

Ground

370B

I

3415O

Gasket,

Cylinder

head

38O

I

632208

Head,

Cylinder

(Inclo

No. 131)

39O

!

5£0642

Valve,

Exhaust

(Std.)

(ncL

No. 151)

4O0

t

33233A

Valve, Exhaust (1/32" overisize) (Incl°

No. 151)

Valve, Intake (Std.) (Incl. No.. 151)

Valve,

Intake

(1/32"

oversize)

(Incl.

No_ 151)

Screw,

Hex flange hd., 5/16-18

x 1-1/2

Screw,

Hex

flange

hd.. 5/16-18

x

2

Washer,

Flat

Plug,

Spark

(Champion

J-8C or

equivalent)

Part Name

Spring, Valve Cap, Valve spring Gasket, Breather

Body, Valve cover Element, Breather

Cover, Breather

Tube, Breather

Screw, Hex hd° Sems, 10-24 x 1/2

Nut 8. Lockwasher, 1/4-28 Clip, Ground wire Extension, Baffle

Screw, Hex washer hd., 8-32 x 1/2 Screw, Hex hd., !/4-28 x 7/8 Gasket, Carburetor

Pipe, Intake

Link, Governor to throttle

Control Assy., Speed (Incl. Nos,. 203 thru 206, 25A 8- 258)

Spring, Compression

Screw, Fil. hd, 5-40 x 7/16

Terminal Assy.. Knob, Speed control

Screw, Hex hd. Seres, 1/4-20 x t Gasket, Intake to cylinder

Screw, Hex washer hd. shoulder, 10-32 x 49/64

Gasket, Air cleaner

Filter, Air cleaner (paper) Collar, Air cleaner Cover, Air cleaner Housing, Blower

Screw, Hex hd. Seres, 1/4-28 x 7/16 Gasket, Exhaust

Muffler

Screw, Hex hd Same, 1/4-20 x 1-3/4 Cover, Muffler

Screw, Hex washer hd thread cutting, 1/4-15 x 7/8

Cup, Starter

Screw, Hex washer hd., 8-32 x 1/2 Line, Fuel

Clamp, Fuel iine

Screw, Hex washer hd. thread cutting, 114-15x 718

Tank Assy, Fuel fincl Nos, 292 8- 301) Cap Assy., Fuel

PIug Assy., Oil (IncL No. 3t2) Gasket, Oil plug

Spacer, Flywheel key Plug, Starter

Spacer, Tank bracket

Bracket, Fuel tank mounting Baffle, Heat

Decal, Throttle Decal, Lubrication Decal, Choke

Carburetor (Incl. No. t84) Starter, Re,Mnd

Gasket Set (IncL items marked *) RPM Setting:

Low 1850; High 3450

*indicates Parts Included in Gasket Set, Ref. No. 400_

tin original production, the speed con- trol assembly is riveted to the blower

housing baffle, Replacement speed control assembly includes screws and

nuts for mounting, Replacemenl baffle has threaded holes.

22