4-CYCLE ENGINE

MODELNUMBER143.976600

KEY PART NO. NO.

136177

2 27652

6 36059

7 36005A

9 590568

1036002

1136003 !2 32447

1428277

1536006

I6 36008

1731335

18651018

1936103

20 36010

25 36186

26650802

3O 36185

4036073

4036074

4036075

4136070

4136071

4136072

4236076

4236077

4236078

4320381

4536023A

4632610A

4836030

5O 36031A

5229914

6936032A

7O 36194

7230572

7328833

7536010

8O 30574A

8130590A

8230591

8336057

8536034

86650924

89

611154

90

611155

91

611156

92

650815

93

650816

100

34443A

!0I

610118

103

651007

1t0

36054

119

36061

120

36187

!25

36471

!25

36472

!26

293!4B

126

29315C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEY PART

 

 

 

 

 

 

 

DESCRIPTION

 

 

 

 

 

 

 

NO.

NO.

DESCRIPTION

 

 

Cylinder

 

 

(IncL

2,10,t2,20

 

&

125)

184

36183

Carburetor

Gasket

 

 

Dowel

 

Pin

 

 

 

 

 

 

 

 

 

 

186

36009

Governor

Link

 

 

 

Breather

 

 

Etement

 

 

 

 

 

 

187A

36195

Air Baffle

 

 

 

 

 

"Breather

 

 

Cover

 

& Gasket

 

 

 

190

36013

Brake Lever Ass'y.

 

 

Screw,

 

t0-24

x 3/4"

 

 

 

 

 

191A

36012

Brake Control

Lever

 

 

Breather

 

 

Valve

 

Body

 

 

 

 

 

192

36016

Brake Control

Lever

Link

 

Check

 

Valve

 

 

 

 

 

 

 

 

 

193

36015

Brake Spring

 

 

 

Breather

 

 

Tube

 

 

 

 

 

 

 

 

194

36014

Retaining

Ring

 

 

Flat Washer

 

 

 

 

 

 

 

 

 

195

610973

Terminal

Ass'y.

 

 

Governor

 

 

Rod

(Machined)

 

 

 

198

36017

Brake Control

Lever

Spring

 

Governor

 

 

Lever

 

 

 

 

 

 

 

t99

36018

Brake Lever Bushing

 

 

Governor

 

 

Lever

Clamp

 

 

 

 

202

36482

Compression

Spring

 

 

Screw

 

TorxT-15,

 

8-32

x

19/64"

203

31342

Compression

Spring

 

 

Governor

 

 

Spring

 

 

 

 

 

 

 

204

651029

Screw,

5-40 x 7/16"

 

 

Oil Seal

 

 

 

 

 

 

 

 

 

 

 

 

 

205

651030

Screw,

Torx T-10. 6-32 x 17/32"

 

BJower

 

Housing

 

Baffle

Ass'y.

 

215

36051

Control

Knob

 

 

 

CIncL195)

 

 

 

 

 

 

 

 

 

 

 

239

36048

* Carburetor

To Air Cleaner Gasket

Screw

 

 

1/4-20

x

5/8"

 

 

 

 

 

240

36190

Air Cleaner

Body (1ncl.239 & 350)

Crankshaft

 

 

 

 

 

 

 

 

 

 

 

24.3B

651041

Air Cleaner

Stud

 

 

Piston,Pin,Ring

 

Set

 

(Std.)

 

 

 

245

36046

Air Cleaner

Filter

 

 

Piston,

Pin,Ring

 

Set

 

(.010

QS)

 

250

36191

Air Cleaner

Cover

 

 

Piston,Pin.Ring

 

Set

 

(.020

OS)

 

251

650928

Lock Nut 1/4-20

 

 

Piston

 

& Pin

Ass'y.(Std.)

(Incl.

43)

251A

650933

Wing Nut, 1/4-20

 

 

Piston

 

& Pin

Ass'y.

 

 

 

 

 

 

255

36193

Control

Plate

 

 

 

(.010

OS)(lnct.43)

 

 

 

 

 

 

 

256

650983

Screw,

8-32

x 21/64"

 

 

Piston

 

& Pin

Ass'y.

 

 

 

 

 

 

260

36188

Blower Housing

 

 

(.020

OS)(1ncl.43)

 

 

 

 

 

 

 

261

650737

Screw, I/4-20 x 1/2"

 

 

Ring

Set

(Std,)

 

 

 

 

 

 

 

 

262

650929

Screw, t/4-20 x 11/16"

 

Ring

Set

(.010

OS)

 

 

 

 

 

 

263A

36192

Starter

Grill

 

 

 

 

Ring

Set

(.020

OS)

 

 

 

 

 

 

275

36107

Muffler

 

 

 

 

 

 

Piston

 

Pin

Retaining

 

Ring

 

 

 

276

36043

Locking

Plate

 

 

 

Connecting

 

 

Rod

Ass'y, (Incl.

46)

277

650927

Screw,

5/6-18

x 2-11/32"

 

Connecting

 

 

Rod

Bolt

 

 

 

 

 

285

34449A

Starter

Cup

 

 

 

 

Valve

Litter

 

 

 

 

 

 

 

 

 

287

650926

Screw,

8-32 x 21/64"

 

 

Camshaft

 

 

(MCR)

 

 

 

 

 

 

 

290

34357

Fuel Line

 

 

 

 

 

Oil Pump

Ass'y.

 

 

 

 

 

 

 

292

26460

Fuel Line

Clamp

 

 

* Mounting

 

 

Flange

Gasket

 

 

 

300

36189

Fuel Tank (Incl. 301 )

 

 

Mounting

 

 

Flange

(Inct.

72

thru

85)

30I

36246

Fuel Cap

 

 

 

 

 

Oil Drain

 

Plug(Incl.

 

73)

 

 

 

 

305

36063

Oil Fill Tube

 

 

 

 

Drain

Plug

Gasket

 

 

 

 

 

 

307

35499

"O" Ring

 

 

 

 

 

Oil Sea!

 

 

 

 

 

 

 

 

 

 

 

 

308

36040

Fill Tube

Clip

 

 

 

Governor

 

 

Shaft

 

 

 

 

 

 

 

 

310

36064

Dipstick

 

 

 

 

 

 

Washer

 

 

 

 

 

 

 

 

 

 

 

 

 

346A

28763

Screw.

10-32 x 35/64"

 

Governor

 

 

Gear

Ass'y. (fncL81)

 

347

650898A

Screw,

10-32 x 27/32"

 

Governor

 

 

Spool

 

 

 

 

 

 

 

350

36045

Primer

 

 

 

 

 

 

'dler Gear

 

 

 

 

 

 

 

 

 

 

 

370A

36261

Lubrication

Decat

 

 

Screw.

 

1/4-20

x

1-9/16"

 

 

 

 

370B

36155

Control

Decal

 

 

 

=lywheel

 

Key

 

 

 

 

 

 

 

 

3700

36861

Primer

Decal

 

 

 

Flywheel

 

 

 

 

 

 

 

 

 

 

 

 

380

632671A

Carburetor

(IncL 184.239)

 

:lywheel

 

 

Fan

 

 

 

 

 

 

 

 

390

590702

Rewind

Starter

 

 

Belleville

 

 

Washer

 

 

 

 

 

 

 

400

36062C

Gasket

Set

 

 

 

 

Hywheel

 

 

Nut

 

 

 

 

 

 

 

 

 

 

(IncL Items

Marked * in Notes)

 

Solid

State

 

:gnition

 

 

 

 

 

 

416

36085

Spark Arrestor

Kit

 

 

Spark

Plug

 

Cover

 

 

 

 

 

 

 

 

(Incl. 417)(Optional)

 

 

Screw,

Torx

T-15.

t0-24

 

x 15/16"

417

650760

Screw, 8-32 x 3/8" (Optional)

 

Ground

 

Wire

 

 

 

 

 

 

 

 

 

900

--

Replacement

Engine

75079219

order

* Cylinder

 

 

Head

Gasket

 

 

 

 

 

 

from 71-999

 

 

 

 

Cylinder

 

 

Head

 

 

 

 

 

 

 

 

900

--

Replacement

SiB 750797. order

from

Exhaust

 

Valve

(Std.)

(incl.

t51)

 

 

 

71-999

 

 

 

 

 

 

Exhaust

 

Valve

(1/32"

OS)

 

 

 

 

 

RPM High 2900 to 3200

 

intake Valve (Std,) (lncl, 151 )

 

 

 

RPM Low 2450 to 2750

 

Intake

Valve

(1/32"

OS)

 

 

 

 

 

 

 

 

 

 

 

 

 

130

6021A

135

35395

150

31672

151

31673

151A

40016

169

27234A

172

32755

174

30200

177

650925A

Screw. 5/16-18 x t-1/2"

Resistor Spark Plug (RJ ! 9LM)

Valve Spring

Lower Valve Spring Cap

Intake Valve Seal

*Valve Spring Box Gasket Valve Spring Box Cover Screw, 10-24 x 9/16"

Carburetor Mounting Stud

(NOTE: This engine could have been built with 590739 starter. Refer to the design of the rope pulley strength ribs for part identification. Individual starter parts do not interchange.). Incl. part #'s27234A (1),28833 (1), 36005A (1), 36032A (1), 36035 (1), 36048 (1), 36061 (1), 36183 (2), 696088 nstruction sheet (1)

NOTE: All component dimensions given _nU.S inches 1 inch = 25.4 mm

27

Page 27
Image 27
Craftsman 917.3773 manual KEY Part NO. no

917.3773 specifications

The Craftsman 917.3773 is a powerful and versatile riding lawn mower designed for homeowners who seek efficient lawn care solutions. Renowned for its durability and performance, this model offers a blend of advanced technologies and user-friendly features tailored to meet diverse lawn care needs.

One of the standout characteristics of the Craftsman 917.3773 is its robust engine. Powered by a reliable Briggs & Stratton 19 HP engine, it delivers exceptional performance, allowing users to tackle various mowing tasks with ease. The engine offers a consistent and strong power output, enabling smooth cutting through thick grass and uneven terrain. This ensures a tidy finish, making it suitable for medium to large lawns.

Equipped with a 42-inch cutting deck, the Craftsman 917.3773 allows for efficient mowing. This size strikes an ideal balance between maneuverability and coverage, making it easy to navigate around obstacles such as trees and flower beds while still covering significant ground quickly. Additionally, the deck is adjustable, offering multiple cutting height settings to accommodate different grass types and conditions, ensuring a clean cut every time.

User comfort is another key focus of the Craftsman 917.3773. It features an ergonomic seating design that provides ample support during longer mowing sessions. The controls are easily accessible, allowing for straightforward operation. The model also incorporates a tight turning radius, enhancing its agility and making it simpler to trim around edges and navigate tight spaces in the yard.

In terms of maintenance, this riding mower comes with a detachable deck that simplifies cleaning and repair tasks. Regular maintenance is essential for longevity, and Craftsman has made it easy for users to keep the mower in top shape.

Moreover, this model emphasizes safety with features such as an automatic shut-off function that activates when the operator leaves the seat. This added layer of security ensures that users can feel confident while operating the mower.

Overall, the Craftsman 917.3773 stands out as a reliable choice for homeowners looking for a powerful riding lawn mower. It combines a robust engine, a user-friendly design, and essential safety features, making it an excellent investment for keeping lawns well-manicured and tidy.