M 21 BMR B - Lawn-Boy Walk-Behind Mower (SN: K00000001 - K99999999) (1991) ENGINE GROUP MODELS: M21BMRB, C & D Parts Diagram

Walk-Behind Mower

ENGINE GROUP MODELS: M21BMRB, 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(Superseded to 325-36)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 684062

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.

$496.99

$

Usually ships in 3-6 days

0

4

Lawn-Boy 613208

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.

$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

7

Lawn-Boy 613518

Terminal-C.D. Ignition Module

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

9

Lawn-Boy 684369

Wire Harness

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

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

16

Lawn-Boy 614032

Shoulder Bolt

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.

$33.99

$

Usually ships in 3-6 days

0

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
(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, Qty 6

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 684364

Bracket and Switch Assembly

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

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

40

Lawn-Boy 613683

Wire Tie

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

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.

$5.49

$

In Stock, only 3 left!

0

47

Lawn-Boy 684086

Crankshaft and Connecting Rod (BMRB, 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 (BMRB, 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.

$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

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