M 21 EMR B - Lawn-Boy Walk-Behind Mower (SN: K00000001 - K99999999) (1991) ENGINE GROUP MODELS: M21ZEMRB, C & D Parts Diagram

Walk-Behind Mower

ENGINE GROUP MODELS: M21ZEMRB, C & D Parts Diagram

  • Title

1

Lawn-Boy 130743

Nut-Flywheel

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$3.49

$

In Stock, Qty 6

0

2

Lawn-Boy 316959

Lockwasher
(Superseded to 325-36)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$0.99

$

In Stock, Qty 20+

0

3

Lawn-Boy 684023

Flywheel (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

4

Lawn-Boy 613208

Screw (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$2.49

$

In Stock, only 2 left!

0

5

Lawn-Boy 684275

Oil Pump Kit w/Oil Lines

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

6

Lawn-Boy 613516

Clamp-Oil Line

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$

$

Not available

8

Lawn-Boy 684561

Wire Harness (EMRB)
(Superseded to 684353)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

Lawn-Boy 684562

Wire Harness (EMRC & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$274.99

$

Usually ships in 3-6 days

0

10

Lawn-Boy 613182

Oil Seal-Crankshaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$23.99

$

Usually ships in 3-6 days

0

11

Lawn-Boy 613183

Retaining Ring

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

12

Lawn-Boy 613265

Retaining Ring

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

13

Lawn-Boy 684022

Bearing-Crankshaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

14

Lawn-Boy 602315

Nut (EMRB, D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$4.99

$

In Stock, only 2 left!

0

Lawn-Boy 613550

Nut (EMRC)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

15

Lawn-Boy 613390

Brake Actuator (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

Lawn-Boy 613529

Shoulder Bolt (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$13.99

$

Usually ships in 3-6 days

0

17

Lawn-Boy 613360

Shoulder Bolt (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

18

Lawn-Boy 613756

Shoulder Bolt (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

19

Lawn-Boy 613386

Brake Spring (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$9.49

$

Usually ships in 3-6 days

0

20

Lawn-Boy 684365

Brake and Switch (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

21

Lawn-Boy 300402

Taper Pin

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

22

Lawn-Boy 613110

Screw

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

23

Lawn-Boy 613111

Screw

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$5.99

$

Usually ships in 3-6 days

0

24

Lawn-Boy 613429

Washer-Governor Shaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

25

Lawn-Boy 613328

Retainer Ring-Governor Shaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$5.99

$

Usually ships in 3-6 days

0

26

Lawn-Boy 613230

Oil Seal-Governor Shaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

27

Lawn-Boy 613274

Choke Rod

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

28

Lawn-Boy 613277

Throttle Rod

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

29

Lawn-Boy 613430

Throttle Wire Retainer
(Superseded to 92-6397)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

30

Lawn-Boy 684437

Governor and Oil Pump Lever Kit

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

31

Lawn-Boy 613269

Screw

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$2.49

$

Usually ships in 3-6 days

0

32

Lawn-Boy 320107

Tie Strap (EMRB, C & D)
(Superseded to 614249)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$1.49

$

In Stock, only 2 left!

0

33

Lawn-Boy 613336

Nut

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

34

Lawn-Boy 613276

Oil Pump Control Rod

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

35

Lawn-Boy 614043

Governor Spring

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

36

Lawn-Boy 613337

Screw

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

37

Lawn-Boy 684090

Governor Bracket Assembly (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$68.99

$

Usually ships in 3-6 days

0

38

Lawn-Boy 613388

Clamp-Throttle Cable to Bracket
(Superseded to 2210-249)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$3.49

$

Usually ships in 3-6 days

0

39

Lawn-Boy 613387

Screw

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

41

Lawn-Boy 613227

Set Screw-Engine Pulley
(Superseded to 105-8875)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$11.99

$

Usually ships in 3-6 days

0

42

Lawn-Boy 613228

Engine Pulley

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

43

Lawn-Boy 613747

Governor Shaft

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

44

Lawn-Boy 684169

Governor Ramp
(Superseded to 684465)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

45

Lawn-Boy 613229

Ball-Governor

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

46

Lawn-Boy 605885

Spark Plug
(Superseded to 614009)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$6.49

$

In Stock, only 2 left!

0

47

Lawn-Boy 683993

Crankshaft and Connecting Rod (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

48

Lawn-Boy 607199

Key-Crankshaft (EMRB, C 8 D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$5.49

$

In Stock, Qty 9

0

49

Lawn-Boy 684272

Piston and Ring Assy. (Standard)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

Lawn-Boy 684307

Piston and Ring Assembly (0.020" Oversize)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

50

Lawn-Boy 613258

Retaining Ring

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$

$

Not available

51

Lawn-Boy 613148

Wrist Pin

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$

$

Not available

52

Lawn-Boy 684273

Ring Set (Standard)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$

$

Not available

52

Lawn-Boy 684309

Ring Set (0.020" Oversize)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$

$

Not available

53

Lawn-Boy 613233

Screw-Cylinder Head to Block

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$4.49

$

Usually ships in 3-6 days

0

54

Lawn-Boy 613197

Cylinder Head

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

55

Lawn-Boy 613382

Head Gasket

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

56

Lawn-Boy 613266

Exhaust Gasket

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

57

Lawn-Boy 684115

Alternator (EMRB, C & D)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$

$

Not available

58

Lawn-Boy 684049

C.D. Ignition Module
(Superseded to 99-2916)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$90.99

$

In Stock, only 3 left!

0

59

Lawn-Boy 684179

High Tension Lead and Cover

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket. NOTE: Parts shown with bullet included with assembly above.

$32.99

$

In Stock, only 1 left!

0

60

Lawn-Boy 510231

Spring Terminal
(Superseded to 684698)

Note: Important Note: Replacement parts may not always be available in matching colors. NOTE: Short Block includes Carburetor Gasket, Carburator Spacer Gasket and Air Filter Base Gasket.

$7.49

$

Usually ships in 3-6 days

0