MTD 510r User Manual

1

49

64

52

53

54

55

57

56

50
51

58

59

61

63

68

62

71

76

77

78

75

74

73

70

79

80

81

83

82

72

84

85

86

87

85

88

69

67

66

65

60

2

3

16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

33

4

5

8

11

6

7

9

10

13

42

12

15

14

43

41

44

45

46

47

48

29

32

35

36

37

38

39

40

34

Issued 7/02

ENGINE PARTS - MODEL 510r

4-CYCLE GAS CULTIVATOR

PPN- 21BK515G034

Part Numbers On Following Page

91

89

90

ENGINE PARTS - MODEL 510r
4-CYCLE GAS CULTIVATOR

PPN- 21BK515G034

Issued 7/02

Item

Part No. Description

49 791-181247 Palnut/Retaining Ring
50 791-182748 Recoil Pulley
51 753-1236 Recoil Spring
52 791-182366 Nut Clip
53 791-181079 Pull Handle
54 791-611061 Rope Guide
55 791-613103 Rope
56 791-181020 Starter Housing Screw
57 753-04160 Starter Housing Assembly (includes 49-56)
58 791-182537 Wire Grommet
59 791-182368 Clutch Washer
60 753-1238 Clutch with Washer
61 791-153592 Clutch Drum
62 753-1239 Clutch Cover
63 791-181345 Clutch Cover Screw
64 791-182665 Switch Wire Assembly
65 753-04040 Ignition Module with Screws
66 791-181065 Spacer
67 791-182736 Flywheel
68 791-181861 Screw
69 791-182743 Shroud Assembly with Screws (includes 68)
70 791-182376 Crankcase Assembly (includes 71 & 72)
71 791-182375 90° Elbow
72 791-182379 Breather Hose
73 791-181015 Cam Gear
74 753-1242 Cam Follower
75 791-181013 Cam Bracket
76 791-181012 Cam Bracket Screw
77 791-181040 Valves, Intake and Exhaust
78 791-182374 Cylinder Gasket
79 791-181018 Oil Pan Gasket
80 791-182377 Oil Pan (includes 79 & 81)
81 791-181020 Oil Pan Screw
82 791-182378 Dipstick Assembly (includes 83)
83 791-182290 O-Ring
84 791-181009 Connecting Rod
85 791-181008 Wrist Pin Button
86 753-1243 Piston
87 791-181006 Wrist Pin
88 791-181005 Piston Ring Set
89 791-145569 Anit-Rotation Screw
90 753-1240 Screw
91 753-04092 Nut

* 791-180852 Spark Plug
* 753-04087 Short Block Assembly (includes 5-17, 70-88)
* 791-180142 Starter Pawl Repair Kit
* 753-04014 Carburetor Repair Kit
* 753-1248 Gasket/Diaphragm Repair Kit

* Parts not shown

Item Part No. Description

1 753-04028 Engine Cover
2 791-182339 Engine Cover Screws
3 791-182651 Starter Rope Eyelet
4 791-182652 Eyelet Nut
5 791-181025 Valve Cover Screw
6 791-182098 Valve Cover
7 791-182099 Valve Cover Gasket
8 791-182340 Rocker Adjustment Nut

9 791-182101 Rocker Arm Pivot
10 791-182100 Rocker Arm
11 791-182341 Rocker Arm Stud
12 791-182103 Valve Spring Retainer
13 791-181038 Valve Spring
14 791-182102 Push Rod Guide
15 791-181033 Push Rod
16

791-182745 Cylinder Assembly

(includes 11-14, 16, 18 & 78)
17 791-182344 Cylinder Screw
18 753-1226 Intake Baffle
19 791-182749 Carburetor Mount Gasket
20 791-181034 Nut
21 753-04029 Carburetor Mount (includes 20)
22 791-182348 Carburetor Mount Screw
23 791-182732 Carburetor Gasket
24 791-182654 Carburetor with Primer
25 753-04030 Air Filter Gasket
26 791-182655 Air Filter Cover Assembly

(includes 27, 28, 31-33)
27 791-182097 Breather Tube Assembly
28 791-182656 Grommet Washer
29 791-182409 Washer
30 753-04031 Air Filter Mounting Screw
31 791-182657 Air Filter Plate
32 791-182658 Air Filter
33 791-182659 Air Filter Cover
34 791-182271 Fuel Cap
35 791-182352 Fuel Return Line
36 791-182353 Fuel Pick-Up Line with Filter
37 791-181080 Screw
38 791-182354 Washer
39 791-182660 Fuel Tank Assembly (includes 34-36)
40 791-182356 Fuel Tank Shield
41 753-1232 Muffler Baffle
42 791-181048 Muffler Gasket
43 753-04036 Muffler (includes 42, 44-46)
44 791-180890 Spark Arrestor Screen
45 791-181045 Screen Cover
46 791-181046 Screw
47 791-182361 Muffler Mounting Screw
48 753-04092 Muffler Cover