Bolens 721 manual Models 521

Models 521 and 721

18

24

16

19

5

12 17

9

7

6

1

10

8

13

3

21

23

4

22

15

20

21

14

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REF.	PART
NO.	NO.	DESCRIPTION
1	629-0071	Extension Cord
2	710-0157	Hex Screw, 5/16-24 x .75
3	710-0409	Hex Screw, 5/16-24 x 1.75
4	710-0654A	Self Tapping Screw, 3/8-16 x 1.00
5	710-0751	Hex Screw, 1/4-20 x .62
6	710-1003	Screw, #10-16 x .625
7	712-0324	Hex Nut, 1/4-20 Nylon
8	719-0581	Spacer, Engine 4 Cycle
9	726-0205	Clamp, Hose
10	726-0470	Cable Tie
12	731-2825	Knob, Choke
13	736-0119	Washer, Lock 5/16
14	736-0242	Bell Washer, .340 x .872 x .060
15	736-0337	Flat Washer, 5/8 ID x 1.0 OD
16	747-04169	Support, Wire Gas Tank
17	751-0535	Hose, Fuel Line
18	751-0603	Cap, Fuel
19	751-10023	Tank, Fuel
20	751-0101A	V-Belt 1/2 x 35.0 LG
21	756-04060	Pulley Half, .625 ID x 2.25 OD
22	756-0475	Pulley, 1/2 V 1/2-20 LH x 6.0
23	790-00047	Bracket, Engine 4 Cycle
24	790-00059	Bracket Support Gas Tank 4 Cycle Snow

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