BRIGGS & STRATTON

4-CYCLE

 

ENGINE

 

MODEL NUMBER 125To2-1045-B1

KEY

PART

 

 

 

 

 

 

 

KEY

PART

 

 

 

 

 

NO.

NO.

 

DESCRIPTION

 

 

 

NO.

NO.

DESCRIPTION

 

 

1

697322

 

Cylinder Assembly

 

125

794304

Carburetor

 

 

 

2

399269

 

Kit-Bushing/Sea_

 

 

127

694468

_ Plug-Welch

 

 

 

3

299819s

Seal-Oil

(Magneto

Side)

130

696564

Valve-Throttle

 

 

 

4

493279

 

Sump-Engine

 

 

 

133

398187

Float-Carburetor

 

5

691160

 

Head-Cylinder

 

 

 

134

398188

O Valve-Needle/Seat

 

7

692249

Gasket-Cylinder

Head

137

693981

0:[: Gasket-Float

Bowl

 

8

695250

 

Breather Assembty

 

163

272653s ,05 Gasket-Air Cleaner

 

9

696125

 

Gasket-Breather

 

 

 

187

791766

Line-Fue! (Cut to Required

10

691125

 

Screw (Breather

 

Assembly)

 

 

Length)

 

 

 

11

691781

 

Tube-Breather

 

 

 

188

693399

Screw

(Control Bracket)

12

692232

Gasket_Crankcase

 

190

690940

Screw

(Fuel Tank)

 

13

690912

 

Screw (Cylinder

 

Head)

202

691829

Link-Mechanical

Governor

15

691680

 

Plug-Oil Drain

 

 

 

209

699056

Spring-Governor

 

16

691450

 

Crankshaft

 

 

 

 

222

791128

Bracket-Control

 

 

20

399781s

Seal-Oil

(PTO Side)

227

690783

Control

Lever-Governor

22

691092

 

Screw (Engine Sump)

23I

691636

Screw

(Choke Valve)

23

691987

 

Flywheel

 

 

 

 

276

271716

O:1:Sealing Washer

 

 

24

222698s

 

Key-Flywheel

 

 

 

287

690940

Screw

(Dipstick Tube)

25

790359

 

Piston Assembly

 

(Standard)

291

790830

Thermostat

 

 

 

26

790360

 

Ring Set-Piston

 

(Standard)

300

790828

Muffler

 

 

 

 

27

691866

 

Lock-Piston

Pin

 

 

 

304

791383

Housing-Blower

 

 

28

499423

 

Pin-Piston

 

 

 

 

305

691108

Screw

(Blower

Housing)

29

499424

 

Rod-Connecting

 

 

 

306

790836

Shield-Cylinder

 

 

32

691664

 

Screw (Connecting

Rod)

307

690345

Screw

(Cylinder Shield)

32A

695759

 

Screw (Connecting

Rod)

332

690662

Nut (Flywheel)

 

 

33

262651s

 

Valve-Exhaust

 

 

 

333

790817

Armature-Magneto

 

34

262652s

 

Valve-Intake

 

 

 

 

334

691061

Screw

(Armature Magneto)

35

691270

 

Spring-Valve

(Intake)

337

802592s

Piug-Spark

 

 

 

36

691270

 

Spring-Valve

(Exhaust)

356

692390

Wire-Stop

 

 

 

37

694086

 

Guard-Flywheel

 

 

 

358

794307

Engine GasketSet

 

40

692194

 

Retainer-Valve

 

 

 

363

19069

Flywheel Puller

 

 

43

691997

 

Slinger-Governor/Oil

 

365

692524

Screw

(Carburetor)

 

45

690548

 

Tappet-Valve

 

 

 

 

383

89838s

Wrench-Spark

Plug

 

46

691449

 

Camshaft

 

 

 

 

404

690272

Washer

(Governor

Crank)

48

792741

 

Short Block

 

 

 

 

425

690670

Screw

(Air Cleaner

Cover)

50

794305

 

Manifold-Intake

 

 

 

443

692523

Screw

(Air Cleaner

Primer

51

794306

,

Gasket-Intake

 

 

 

 

 

Base)

 

 

 

 

54

691650

 

Screw (Intake Manifold)

445

49158Bs

Filter-Air Cleaner Cartridge

55

691421

 

Housing-Rewind

 

Starter

455

791960

Cup-Flywheel

 

 

 

58

697316

 

Rope-Starter

(Cut to

456

692299

Plate-Pawt Friction

 

 

 

 

Required Length)

 

459

281505s

PawI-Ratchet

 

 

 

60

795426

 

Grip-Starter

Rope

 

505

691251

Nut(GovernorControlLever)

65

690837

 

Screw (Rewind Starter)

523

499621

Dipstick

 

 

 

78

691 108

 

Screw (Flywheel

 

Guard)

524

692298

Seal-Dipstick Tube

 

81

691740

 

Lock-Muffler

Screw

 

525

495265

Tube-Dipstick

 

 

 

95

691636

 

Screw (Throttle

Valve)

529

691923

Grommet

 

 

 

97

698565

 

Shaft-Throttle

 

 

 

562

691119

Bolt (GovernorControl Lever)

t04

691242

O

Pin-Float Hinge

 

 

 

554

698589

Screw

(Control

Cover.)

108

790844

 

Valve-Choke

 

 

 

 

584

697734

Cover-Breather

Passage

109

790843

 

Shaft-Choke

 

 

 

 

585

691879

Gasket-Breather Passage

117

691428

 

Jet-Main (Standard)

592

690800

Nut (Rewind

Starter)

118

498977

 

Jet-Main (High Altitude)

597

691696

Screw

(Pawl Friction Plate)

121

498260

 

Kit-CarburetorOverhaul

601

791850

Clamp-Hose

 

 

 

46

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Image 46
Craftsman 917.37646 owner manual Briggs & Stratton Cycle Engine