TRACTOR ° oMODEL NUMBER 917.274040 BRmGGSENGmNE-MODELNUMBER407577,TYPENUMBER0284°E1

KEY

PART

 

 

 

 

 

 

 

 

KEY

PART

 

 

 

 

 

 

 

NO.

NO.

 

DESCRmPTmON

 

 

NO.

NO.

 

DESCRIPTION

 

 

1

699751

 

Cylinder

Assembly

 

 

117

698784

 

JebMain

(Standard)

2

499585

 

Kit-Bushing/Seal

 

(Magneto Side)

118

699820

 

JebMain

(High

Altitude)

3

391086

_

Seal_Oil

(Magneto

Side)

121

699814

 

KibCarburetor

 

Overhaul

4

699747

 

Sump_Engine

 

 

 

 

122

699802

 

Spacer-Carburetor

 

5

693998

 

Head-Cylinder

 

(Cylinder

1)

125

699807

 

Carburetor

 

 

 

 

5A

693999

 

Head-Cylinder

 

(Cylinder

2)

127

698810

 

Plug-Welch

 

 

 

7

690962

_+

GaskebCylinder

 

Head

 

130

699809

 

Valve_Throttle

 

 

 

8

499601

 

Breather

Assembly

 

 

131

699812

 

Kit-Throttle

Shaft

 

9

690937

_

Gasket_Breather

 

 

 

133

694914

 

Float-Carburetor

 

 

10

691 !08

 

Screw

(Breather

Assembly)

137

698781

G

Gasket-Float

Bowl

11

690942

 

Tube_Breather

 

 

 

 

141

699811

 

KibChoke

Shaft

 

12

697227

_

GaskebCrankcase

 

 

146

690979

 

Key-Timing

 

 

 

13

690360

 

Screw

(Cylinder

Head)

 

165

693148

 

Nut (Ring

Gear)

 

15

690946

 

Plug_Oil

Drain

 

 

 

 

187

699799

 

Line-Fuel

(Cut

to

Required Length)

16

790137

 

Crankshaft

 

 

 

 

187A

691049

 

Line-Fuel

(Molded)

20

690947

_

Seal_Oil

(PTO

Side)

 

188

691 !08

 

Screw

(Control

 

Bracket)

22

694966

 

Screw

(Engine

 

Sump)

 

188A

691003

 

Screw

(Control

 

Bracket)

23

691053

 

Flywheel

 

 

 

 

 

192

690083

 

AdjusteFRocker

 

Arm

24

222698

 

Key_Flywhee!

 

 

 

 

209

692909

 

Spring-Governor

 

 

25

499588

 

Piston

Assembly

 

(Standard)

21 !

691019

 

Spring-Governed

 

Idle

25

499590

 

Piston

Assembly

 

(.020"

Oversize)

212

699805

 

Link_Throttle

 

 

 

26

499604

 

Ring

Set-Piston

(Standard)

213

691021

 

Bracket-Choke

 

Control

26

499606

 

Ring

Set-Piston

(.020"

Oversize)

216

691022

 

Link_Choke

 

 

 

27

690975

 

Lock-Piston Pin

 

 

219

698231

 

Gear-Governor

 

 

 

28

690229

 

Pin-Piston

 

 

 

 

220

690412

 

Washer

(Governor

Lever)

29

 

 

Rod-Connecting

 

 

 

222

698761

 

Bracket-Control

 

 

 

 

 

 

(See

Reference

16)

 

227

691048

 

Lever-Governor

 

Control

32

690976

 

Screw

(Connecting

Rod)

231

690718

 

Screw

(Choke

Valve)

33

499596

 

Valve-Exhaust

 

 

 

 

240

691035

 

Fiker-Fue!

 

 

 

 

34

499597

 

Valveqntake

 

 

 

 

250

690957

 

RetaineFBreather

 

35

690963

 

Spring-Valve

(Intake)

 

252

690956

 

Collector-Oil

 

 

 

36

690963

 

Spring-Valve

(Exhaust)

 

265

691024

 

Clamp-Casing

 

 

 

42

499586

 

KeepeFValve

 

 

 

 

267

695134

 

Screw

(Casing

 

Clamp)

45

690977

 

TappetWalve

 

 

 

 

276

695410

G+

WasheFSealing

 

 

 

46

699748

 

Camshaft

 

 

 

 

 

287

691108

 

Screw

(Dipstick

Tube)

48

698177

 

Short

Block

 

 

 

 

304

695277

 

Housing-Blower

 

 

 

50

699801

 

Manifoldqntake

 

 

 

 

305

691005

 

Screw

(Blower

 

Housing)

51

690949,

a_

Gasketqntake

 

 

 

 

309

497595

 

Motor-Starter

 

 

 

51A

699800_

G +_Gasketqntake

 

 

 

 

310

690323

 

Bolt_Starter Motor

 

51B

699803_

O +_Gasketqntake

 

 

 

 

311

497608

 

Brush

Set

 

 

 

 

53

690951

 

Stud

(Carburetor)

 

 

332

691059

 

Nut (Flywheel)

 

 

 

54

699816

 

Screw

(Intake

Manifold)

 

333

691060

 

Armature-Magneto

 

73

499439

 

ScreemRotating

 

 

 

334

691061

 

Screw

(Magneto

 

Armature)

74

698425

 

Screw

(Rotating

Screen)

337

691043

 

Plug-Spark

 

 

 

 

75

691056

 

Washer

(Flywhee!)

 

 

358

699823

 

Set-Engine

Gasket

89

690283

 

Plug-Oil

 

 

 

 

 

363

19203

 

Flywheel

Puller

 

 

 

 

 

 

 

 

 

 

 

 

o

Included in Engine Gasket Set, Key. No. 358

 

 

 

 

 

 

 

 

 

 

G

Included

in Carburetor

Overhaul

Kit, Key. No. 121

 

 

 

 

 

 

 

 

 

 

 

Included in Carburetor Gasket Set, Key. No. 977

 

 

 

 

 

 

 

 

 

 

+

Included

in Valve Gasket

Set,

Key. No. 1095

 

 

 

 

 

 

 

 

 

 

NOTE: All component dimensions given in U.S. inches

 

 

 

 

 

 

 

 

 

 

 

1 inch = 25.4

mm

 

 

 

 

 

53

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Craftsman 917.27404 owner manual DESCRmPTmON