Briggs & Stratton MS6179, 326400 User Manual

Illustrated Parts List

Not for

Reproduction

Model Series

326400

TYPE NUMBERS:
0010 through 0080,
0110 through 0399,

0611, 0620,

0630 through 0799,

0801, 0802, 0803, 0804, 0805,
1160, 2520, 2521, 2522, 2526, 2527,
2528, 2529, 2530, 2550, 2560, 2561,

2562, 2563, 2580, 2581, 2582, 2583, 2596.

REPLACES FORM MS6179−08/23/2007
FILE IN SECT. 2 OF SERVICE MANUAL

FORM MS6179−03/18/2009

326400

All rights reserved. No part of this material may be reproduced or transmitted,
in any form or by any means, electronic or mechanical, including photocopying,
recording or by any information storage and retrieval system, without permission
in writing from Briggs & Stratton Corporation.

COPYRIGHT by BRIGGS & STRATTON CORPORATION

PRINTED IN U.S.A.

326400

Not for

Reproduction

1

871

870

645

724A

724

722

342

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

1 395663 Cylinder Assembly
5 691712 Head−Cylinder
6 691261 Washer

(Cylinder Head)

7 692231 Gasket−Cylinder Head
8 495738 Breather Assembly
9 27803s Gasket−Breather

10 690294 Screw

(Breather Assembly)

11 691512 Tube−Breather
13 691614 Screw

(Cylinder Head)
(1 3/4” Long)

−−−−−−− Note −−−−−
691640 Screw

(Cylinder Head)
(2 1/16” Long)

13A 691441 Screw

(Cylinder Head)
(2 7/16” Long)

14 691690 Stud

(Cylinder Head)

15 692833 Plug−Oil Drain
306 299536 Shield−Cylinder
307 690294 Screw

(Cylinder Shield)

552

626

415

15

724A 221873 Retainer−Seal

8

11

9

10

383

306

307

308 691731 Cover−Cylinder Head

(Used After Code Date

75060800).

−−−−−−− Note −−−−−
221953 Cover−

Cylinder Head
(Used Before Code
Date 75060900).
Used on Type No(s).
0291, 0648.

322 692198 Screw

(Cylinder Head Cover)

337 802592s Plug−Spark
342 298125s Plunger−Breaker
362 793351 Shield−Spark Plug
383 89838 Wrench−Spark Plug
406 690533 Spring−Breather Tube
415 692882 Plug

(Cylinder)

552 393666 Bushing−

Governor Crank

626 690512 Spacer−

Governor Crank

635 66538s Boot−Spark Plug
645 692880 Bushing−Plunger
722 68768 Seal−Plunger
724 93516 Retainer−Seal

406

362

635

337

989A

308

322

5

7

870 691583 Seat−Valve

871 231218 Bushing−Valve Guide
989 690578 Stop Switch−

989A 690633 Stop Switch−

989

(Exhaust)

Spark Plug

−−−−−−− Note −−−−−
293739 Stop Switch−

Spark Plug
Used on Type No(s).

0200.
298926 Stop Switch−
Spark Plug
Used on Type No(s).
0028, 0062, 0138,
0187, 0195, 0220,
0232, 0237, 0238,
0243, 0266, 0295,
0320, 0327, 0658,
0663, 0675, 0680,
0681, 0687, 0691,
0729, 0730, 0735,
2528, 2562.
390785 Stop Switch−
Spark Plug
Used on Type No(s).
0640, 0734.

Spark Plug

13A

6

13

14

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

6179−2 Assemblies include all parts shown in frames. 03/18/2009

2

Valve Gasket Set−Reference 1095

326400

Not for

Reproduction

25

26

27

28

27

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

25 792365 Piston Assembly

(Standard)

−−−−−−− Note −−−−−
792367 Piston

Assembly
(.020 Oversize)

26 792366 Ring Set

(Standard)

−−−−−−− Note −−−−−
792368 Ring Set

(.020 Oversize)

27 691792 Lock−Piston Pin

28 299691 Pin−Piston

29 299632 Rod−Connecting

30 691726 Dipper−

Connecting Rod

31 690396 Lock−Rod Screw

32 692345 Screw

(Connecting Rod)

33 394436 Valve−Exhaust

34 394435 Valve−Intake

35 691597 Spring−Valve

(Intake)

36 691597 Spring−Valve

(Exhaust)

40 691939 Retainer−Valve

−−−−−−− Note −−−−−
690274 Retainer−

Valve
Used on Type No(s).

0722.

29

30

31

32

755

598

743

1144

1143

219

219A 393720 Gear−Governor

219A

221

42 494553 Keeper−Valve

(Used After Code Date

80111200).

−−−−−−− Note −−−−−
68283 Keeper−Valve

(Used Before Code
Date 80111300).

45 691594 Tappet−Valve
46 692855 Camshaft

219 291192 Gear−Governor

(Used Before Code
Date 78062000).

221 841026 Cup−Governor
225 691357 Shaft−Governor Gear
407 690810 Screw

(Camshaft Bearing)

511 690402 Washer

(Camshaft Bearing)

552 393666 Bushing−

Governor Crank

553 690269 Retainer−Valve Spring
591 691746 Plug−Camshaft

407

511

46

225

591

900A

900

746

742

552

626

598 270516 Shim−End Play

626 690512 Spacer−Governor

742 691080 Retainer−E Ring
743 691153 Gear−Drive
746 691803 Gear−Idler
755 299706 Bearing−Camshaft
900 691767 Shaft−Gear

900A 691768 Shaft−Gear

1143 691081 Screw

1144 690301 Washer

33

553

36

40

42

45

(Camshaft Bearing)
(.009 Thick)

−−−−−−− Note −−−−−
270517 Shim−

End Play
(Camshaft Bearing)
(.007 Thick)
270518 Shim−
End Play
(Camshaft Bearing)
(.005 Thick)

Crank

(Drive Gear Cover)

(Drive Gear Cover)

553

40

34

35

42

45

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

Valve Gasket Set−Reference 1095

6179−3 Assemblies include all parts shown in frames. 03/18/2009

3

326400

Not for

Reproduction

357

17

16

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

16 691797 Crankshaft

−−−−−−− Note −−−−−
690534 Crankshaft

Used on Type No(s).
0237, 0133, 0190,
0252, 0315, 0788,

2582.
261222 Crankshaft
Used on Type No(s).
0139, 0204, 0228,
0328, 0678.
690535 Crankshaft
Used on Type No(s).
0050, 0116, 0130,
0143, 0147, 0149,
0150, 0151, 0156,
0167, 0170, 0172,
0173, 0174, 0185,
0186, 0188, 0192,
0193, 0208, 0219,
0231, 0248, 0257,
0286, 0290, 0310,
0317, 0318, 0329,
0337, 0343, 0371,
0636, 0638, 0666,
0669, 0684, 0690,
0706, 0721, 0751,

2550.
690536 Crankshaft
Used on Type No(s).
0022, 0063, 0114,
0129, 0153, 0175,
0176, 0183, 0198,
0205, 0217, 0224,
0233, 0235, 0236,
0238, 0247, 0255,
0261, 0265, 0266,
0273, 0277, 0278,
0279, 0285, 0287,
0291, 0296, 0303,
0320, 0334, 0338,
0340, 0344, 0345,
0346, 0347, 0348,
0353, 0359, 0361,
0363, 0366, 0367,
0374, 0375, 0383,
0385, 0394, 0396,
0633, 0634, 0648,

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

0650, 0654, 0661,

0671, 0674, 0676,
0680, 0687, 0692,
0693, 0694, 0696,
0698, 0699, 0702,
0703, 0708, 0714,
0718, 0722, 0724,
0729, 0733, 0736,
0746, 0753, 0754,
0757, 0764, 0771,
0772, 0774, 0776,
0782, 0787, 2522,
2563, 2596.

Crankshaft
(NO LONGER
AVAILABLE)

Used on Type No(s).
0158, 0160, 0197,
0216, 0237.
690537 Crankshaft
Used on Type No(s).
0210, 0262, 0630.
690540 Crankshaft
Used on Type No(s).
0062, 0241, 0242,
0243, 0244, 0260,
0269, 0272, 0292,
0295, 0297, 0300,
0302, 0312, 0327,
0352, 0365, 0369,
0373, 0391, 0635,
0670, 0681, 0686,
0691, 0719, 0723,
0726, 0730, 0732,
0735, 0737, 0740,
0744, 0745, 0750,
0755, 0759, 0780,
0786, 2562.
690541 Crankshaft
Used on Type No(s).
0061, 0124, 0246,
0253, 0305, 0308,
0335, 0341, 0342,
0646, 0710, 0711,
0713, 0728, 0781,
0785, 2529, 2561.

24

17

690543 Crankshaft

Used on Type No(s).
0259, 0293, 0647,

0756.

691806 Crankshaft
(Used After Code Date

77072410).
Used on Type No(s).
0021, 0112, 0128,
0181, 0189, 0203,
0209, 0254, 0256,
0258, 0314, 0321,
0357, 0362, 0368,
0395, 0656, 0668,
0675, 0709, 0717,
0739, 0743, 0752,
0765, 0778, 0779,
0784, 0789, 0790,
0792, 0793, 0794,
0801, 0802, 0804,
2521, 2526, 2530.

Crankshaft

(Used Before Code
Date 77072510).

(NO LONGER
AVAILABLE)

Used on Type No(s).
0021, 0112, 0128,
0181, 0189, 0203,
0209, 0254, 0256,
0258, 0314, 0321,
0357, 0362, 0368,
0395, 0656, 0668,
0675, 0709, 0717,
0739, 0743, 0752,
0765, 0778, 0779,
0784, 0789, 0790,
0792, 0793, 0794,
0801, 0802, 0804,
2521, 2526, 2530.

690546 Crankshaft
Used on Type No(s).
0682, 2560.
261944 Crankshaft
Used on Type No(s).
0720, 0758, 0788.

17 691938 Bearing−Ball
24 222698s Key−Flywheel

357 691483 Key−Drive Pulley

Valve Gasket Set−Reference 1095

6179−4 Assemblies include all parts shown in frames. 03/18/2009

4

567

Not for

Reproduction

326400

568

998A

569

21

15A

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

15A 690946 Plug−Oil Drain
15B 691680 Plug−Oil Drain

21 281658s Cap−Oil Fill
567 691104 Screw

(Engine Base)

568 294751 Base−Engine

Used on Type No(s).
0020, 0023, 0050,
0139, 0145, 0150,
0151, 0152, 0155,
0159, 0175, 0191,
0199, 0203, 0206,
0208, 0212, 0218,
0219, 0226, 0356,
0804, 2527, 2583.

−−−−−−− Note −−−−−
291404 Base−

Engine
Used on Type No(s).
0134, 0135.

568 294751 Base−Engine

Used on Type No(s).
0062, 0120, 0121,
0123, 0126, 0127,
0133, 0135, 0136,
0140, 0144, 0149,
0157, 0158, 0162,
0163, 0164, 0165,
0169, 0170, 0172,
0173, 0174, 0178,
0180, 0182, 0183,
0184, 0185, 0186,
0190, 0192, 0198,
0201, 0204, 0205,
0210, 0215, 0222,
0223, 0227, 0228,
0230, 0234, 0235,
0240, 0246, 0248,
0252, 0253, 0254,
0255, 0259, 0262,
0283, 0284, 0291,
0293, 0306, 0308,
0310, 0311, 0312,
0315, 0316, 0326,
0328, 0331, 0333,
0341, 0351, 0354,
0360, 0384, 0392,
0630, 0638, 0647,
0648, 0649, 0659,
0660, 0669, 0673,
0678, 0679, 0686,
0705, 0712, 0723,
0724, 0725, 0726,
0732, 0735, 0737,
0740, 0744, 0750,
0755, 0756, 0759,
0780, 0781, 0786,
2562, 2581, 2582.

15B

998

569 691569 Gasket−Engine Base

998 690307 Pipe−Oil

998A 690502 Pipe−Oil

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

6179−5 Assemblies include all parts shown in frames. 03/18/2009

5

Valve Gasket Set−Reference 1095

326400

Not for

Reproduction

593

571

571A

571B

593A

1141

228

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

20 691948 Seal−Oil

20A 291675s Seal−Oil

228 691681 Screw

228A 691058 Screw

571 391062 Support−Bearing

571A 291665 Support−Bearing

228A

(PTO Side)

(PTO Side)

(Bearing Support)

(Bearing Support)

Used on Type No(s).
0022, 0050, 0062,
0063, 0112, 0113,
0114, 0116, 0130,
0143, 0147, 0149,
0150, 0151, 0153,
0156, 0160, 0167,
0171, 0172, 0173,
0174, 0175, 0176,
0183, 0185, 0186,
0188, 0192, 0193,
0196, 0197, 0198,
0205, 0208, 0209,
0216, 0217, 0219,
0224, 0233, 0235,
0236, 0241, 0242,
0244, 0247, 0255,
0256, 0257, 0260,
0261, 0265, 0266,
0269, 0272, 0273,
0277, 0278, 0279,
0285, 0286, 0287,
0290, 0291, 0292,
0296, 0297, 0302,
0303, 0304, 0310,
0312, 0318, 0327,
0329, 0334, 0337,
0338, 0340, 0344,
0345, 0347, 0357,

20

20A

0359, 0361, 0368,
0373, 0374, 0383,
0385, 0395, 0396,
0634, 0636, 0648,
0650, 0656, 0661,
0666, 0670, 0671,
0674, 0675, 0684,
0686, 0690, 0692,
0693, 0696, 0698,
0699, 0702, 0703,
0706, 0708, 0709,
0714, 0717, 0721,
0724, 0726, 0732,
0733, 0735, 0737,
0739, 0740, 0743,
0744, 0745, 0746,
0750, 0751, 0752,
0753, 0754, 0755,
0757, 0759, 0771,
0776, 0780, 0783,
0784, 0789, 0794,
0801, 0802, 2522,
2550, 2562, 2563,

2596.

−−−−−−− Note −−−−−
291710 Support−

Bearing
Used on Type No(s).
0647, 0668, 0682,
0713, 0717, 0755,
0772, 0782, 0788,
0790, 0792, 0793,
0801, 0804, 2521,

2530.

571B 299705 Support−Bearing

(Magneto Side)

593 691311 Gasket−

Bearing Support

593A 270513 Gasket−

Bearing Support
(.015 Thick)

−−−−−−− Note −−−−−
270514 Gasket−

Bearing Support
(.010 Thick)
270515 Gasket−
Bearing Support
(.005 Thick)

1141 690402 Washer

(Bearing Support)

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

Valve Gasket Set−Reference 1095

6179−6 Assemblies include all parts shown in frames. 03/18/2009

6

326400

Not for

Reproduction

523A

338

1054

665

665A

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

749A

3

749

3

758

758

276

366

399A

523

525

524

3

399

704

3

587

3 691948 Seal−Oil

(Magneto Side)

276 690258 Washer−Sealing
338 690270 Gasket−Dipstick
366 690304 Screw

(Timing Hole Plug)

399 691310 Gasket−

Counterweight Cover
(Magneto Side)

399A 692914 Gasket−

Counterweight Cover
(PTO Side)

523 691352 Dipstick

523A 690620 Dipstick

524 281370s Seal−Dipstick Tube

525 690622 Tube−Dipstick

−−−−−−− Note −−−−−
690623 Tube−Dipstick

Used on Type No(s).
0121, 0144, 0157,
0158, 0164, 0165,
0169, 0170, 0182,
0184, 0192, 0198,
0210, 0222, 0234,
0235, 0240, 0248,
0262, 0266, 0309,
0312, 0316, 0331,
0338, 0341, 0351,
0358, 0630, 0638,
0679, 0705, 0707,
0724, 0744, 0750,
0755, 0770, 1160,

2581.

587 690389 Clamp−Cable
665 298860 Minder−Oil

665A 692939 Minder−Oil

704 691083 Screw

(Counterweight Cover)

749 391061 Cover−Counterweight

749A 391361 Cover−Counterweight

(Used on Alternator
Equipped Engines)

758 393164 Counterweight

1054 280275 Tie−Cable

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

6179−7 Assemblies include all parts shown in frames. 03/18/2009

7

Valve Gasket Set−Reference 1095

326400

Not for

Reproduction

90

SEE PAGE 9

FOR ADDITIONAL

SERVICE PART
INFORMATION

134

1227

109

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

90 391065 Carburetor

−−−−−−− Note −−−−−
391068 Carburetor

Used on Type No(s).
0121, 0144, 0157,
0158, 0164, 0165,
0169, 0170, 0184,
0192, 0240, 0331.
391070 Carburetor
Used on Type No(s).
0127, 0133, 0134,
0135, 0136, 0139,
0140, 0149, 0162,
0163, 0166, 0172,
0173, 0180, 0185,
0186, 0201, 0204,
0206, 0211, 0212,
0213, 0226, 0227,
0228, 0229, 0249,
0251, 0271, 0298,
0326, 0328, 0332.
392035 Carburetor
Used on Type No(s).
0182, 0210, 0222,

0309.
393431 Carburetor
Used on Type No(s).
0262, 0630.

392235 Carburetor
Used on Type No(s).
0198, 0234, 0235,
0248, 0266, 0312,
0316, 0338, 0341,
0351, 0358, 0707,
0724, 0744, 0750,
0759, 0770.

109 691353 Shaft−Choke

−−−−−−− Note −−−−−
690617 Shaft−Choke

Used on Type No(s).
0121, 0127, 0133,
0134, 0135, 0136,
0139, 0140, 0144,
0149, 0157, 0158,
0162, 0163, 0164,
0165, 0166, 0169,
0170, 0172, 0180,
0184, 0185, 0186,
0192, 0201, 0204,
0206, 0211, 0212,
0213, 0226, 0227,
0228, 0229, 0249,
0251, 0271, 0298,
0326, 0328, 0332,
2581, 2582.

134 394681 Kit−Needle/Seat

−−−−−−− Note −−−−−
394682 Kit−Needle/

Seat
(Includes Brass Seat)
394683 Kit−Needle/
Seat
(Includes Brass Seat)
(For Use With Impulse
Pump)

1227 99525s Valve−High Speed

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

6179−8 Assemblies include all parts shown in frames. 03/18/2009

8

Valve Gasket Set−Reference 1095

326400

Not for

Reproduction

90

142

107

1227

150

110

108

127

109

231

689A

971

1146

91

130

95

102

104

97

134

133

51

94

98

689

132

186

158

800

267

101

54

50

54

51A

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

50 691152 Manifold−Intake

−−−−−−− Note −−−−−
692525 Manifold−

Intake
Used on Type No(s).
0248, 0308, 0358,
0638, 0707, 0770.

51 27381 Gasket−Intake

51A 692214 Gasket−Intake

54 691681 Screw

(Intake Manifold)

90 Carburetor

(See Previous Page)

91 299687 Body−

Upper Carburetor

−−−−−−− Note −−−−−
391067 Body−

Upper Carburetor
Used on Type No(s).
0121, 0144, 0157,
0158, 0164, 0165,
0169, 0170, 0182,
0184, 0192, 0240,
0309, 0331, 0630,
0707, 0724, 0770.

94 292681 Kit−Idle Mixture
95 691437 Screw

(Throttle Valve)

97 691944 Shaft−Throttle

98 693942 Kit−Idle Speed
101 691616 Pin−Shaft
102 692215 Gasket−

Carburetor Body

104 691775 Pin−Float Hinge
107 391069 Body−

Lower Carburetor

108 690621 Valve−Choke
109 Shaft−Choke

(See Previous Page)

110 691186 Washer

(Choke Shaft)

127 690627 Plug−Welch
130 691727 Valve−Throttle
132 691708 Stop−Throttle
133 692265 Float−Carburetor
134 Kit−Needle/Seat

(See Previous Page)

142 691966 Nozzle−Carburetor

(Standard)
(Labeled B)
(Used After Code Date

81090800).

−−−−−−− Note −−−−−
390950 Nozzle−

Carburetor
(Standard)
(Labeled 40)
(Used Before Code
Date 81090900).

150 691610 Gasket−Nozzle
158 27590 Plug−

Carburetor Filter/Drain

186 691764 Connector−Hose
231 691437 Screw

(Choke Valve)

267 691082 Screw

(Casing Clamp)

689 691591 Spring−Friction

689A 691590 Spring−Friction

800 Retainer−

Carburetor Drain

(NO LONGER
AVAILABLE)

971 691090 Screw

(Air Cleaner Base
to Carburetor)

1146 691587 Screw

(Choke Shaft)

1227 Valve−High Speed

(See Previous Page)

Engine Gasket Set−Reference 358
Carburetor Overhaul Kit−Reference 121

Valve Gasket Set−Reference 1095

6179−9 Assemblies include all parts shown in frames. 03/18/2009

9