Troy-Bilt 21C 64M1066 Bronco CRT Roto Tiller Parts manual (2009)

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 1 of 20
Drive System

www.mymowerparts.com

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 2 of 20
Drive System

Ref # Part Number Qty DescriptionS/P/F

1 684-04168 Idler Pulley Assembly, 1.917 OD1
2 710-0151 Hex Head Screw, 3/8-24 x 2.001 /P
3 710-0170 Hex Head Screw, 5/16-24 x .6251
4 710-0502A Screw, 3/8-16 x 1.2501 /P
5 710-0599 Screw, 1/4-20 x 0.5001 /P
6 710-0606 Hex Head Screw, 1/4-20 x 1.501 /P
7 710-0672 Hex Head Screw, 5/16-24 x 1.251 /P
8 710-1880 Hex Head Screw, 5/16-18 x .75, Patch1

9 710-3008 Hex Head Screw, 5/16-18 x .75, Std.1 /P
10 712-04064 Flangelock Nut, 1/4-201 /P
11 712-0700 Flange Nut, 9/16-181 /P
12 718-04407 Pulley Hub, 5/8 SPLINE1
13 732-04085 Extension Spring, .480 OD x 5.00 LG1 /P
14 732-04276A Extension Spring, LT5 PTO1 /P
15 936-0119 Washer, Lock, 5/161 /P
16 736-0173 Washer, Flat, .28 x .74 x .0631 /P
17 736-0315 Washer, Flat, .760 x 1.50 x .1201 /P
18 736-0343 Washer, Flat, .330 x 1.25 x .1201 /P
19 936-0452 Washer, Bell, .396 x 1.140 x .0951 /P
20 753-06042 Transmission Assembly 2/23/09 & Before1 S
20 618-04816 Transmission Assembly 2/23/09 & After1 S
21 736-3092 Washer, Flat, .265 x 1.0 x .0301 /P
22 738-0924A Screw, Shoulder, 1/4-28 x .340 x .3351 /P
23 748-04087A Forward Idler Pivot Spacer1 /P
24 750-04571 Spacer, Shoulder, .260 x .785 x .5381
25 750-04907 Reverse Idler Pivot Spacer1
26 1916657 V Belt, 4L x 25.375 LG1 /P
27 1916658 V Belt, 3L x 29.125 LG1 /P
28 756-04198A Engine Pulley, 3L & 4L1
29 756-04355 Transmission Pulley1
30 756-0625 Cable Roller1
31 786-04312 Forward Idler Bracket1
32 786-04343-0638 Cover Mounting Plate1
33 786-04346 Reverse Idler Bracket1
34 786-04357-0638 Pulley Mounting Bracket1
35 786-04367-0638 LH Mount Frame1
36 786-04368-0638 RH Mount Frame1
37 786-04371-0638 Pulley Shield1
38 934-04232 Wheel, 13 x 5 x 61 /P
38 934-04453 Wheel Assembly, 11 x 4-4 Model 21C-64M1 /P
39 714-0143A Klik Pin, .25 DIA x 1.561
40 721-04271 Oil Plug1

www.mymowerparts.com

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 3 of 20
Engine Assembly 170-T0A

www.mymowerparts.com

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 4 of 20
Engine Assembly 170-T0A

Ref # Part Number Qty DescriptionS/P/F

1 710-04917 Bolt1 S

2 951-11054A Valve Cover1 /P

2 951-11054A Valve Cover Furnish 951-11063A, Valve

3 731-07059 Breather Hose1

4 726-04101 Breather Hose Clamp1

5 951-11565 Valve Cover Gasket1 /P

5 951-11565 Valve Cover Gasket Furnish 951-10798A,

1 /P

Cover Gasket Kit

1 /P

Short Block

5 951-11565 Valve Cover Gasket Furnish 951-11063A,

5 951-11565 Valve Cover Gasket Furnish 951-10799,

5 951-11565 Valve Cover Gasket Furnish 951-10819,

5 951-11565 Valve Cover Gasket Furnish 951-10802A,

6 751-11124 Nut, Pivot Locking1

7 751-11123 Valve Adjusting Nut1

7 751-11123 Valve Adjusting Nut Furnish 951-10799,

8 N/A Rocker Arm Furnish 951-10799, Cylinder

9 710-04902 Rocker Arm Stud1

9 710-04902 Rocker Arm Stud Furnish 951-10799,

10 N/A Push Rod Guide Furnish 951-10799,

1 /P

Valve Cover Gasket Kit

1 /P

Cylinder Head Assembly

1 /P

Cylinder Head Service Kit

1 /P

Gasket Kit Complete

2

Cylinder Head Assembly

2

Head Assembly

2

Cylinder Head Assembly

1

Cylinder Head Assembly

11 N/A Valve Spring Retainer-Intake Furnish

12 N/A Exhaust Valve Adjustor Furnish 951-10799,

13 N/A Valve Spring Retainer-Exhaust Furnish

14 N/A Valve Spring Furnish 951-10799, Cylinder

15 N/A Valve Seal Furnish 951-10819, Cylinder

16 710-05100 Cylinder Head Bolt1
16 710-05100 Cylinder Head Bolt Furnish 951-10819,

17 N/A Cylinder Head Furnish 951-10799, Cylinder

18 951-10292 Spark Plug1 /P
19 710-04911 Muffler Stud1

1

951-10799, Cylinder Head Assembly

1

Cylinder Head Assembly

1

951-10799, Cylinder Head Assembly

2

Head Assembly

1

Head Service Kit

4

Cylinder Head Service Kit

1

Head Assembly

www.mymowerparts.com

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 5 of 20
Engine Assembly 170-T0A

Ref # Part Number Qty DescriptionS/P/F

19 710-04911 Muffler Stud Furnish 951-10657, Muffler Stud

2

Assembly

20 N/A Exhaust Pipe Gasket Furnish 951-10798A,

20 N/A Exhaust Pipe Gasket Furnish 951-10799,

20 N/A Exhaust Pipe Gasket Furnish 951-10801A,

20 N/A Exhaust Pipe Gasket Furnish 951-10802A,

21 712-04214 Nut1
22 951-10793 Muffler Assembly1 /P
23 710-05002 Bolt1
24 710-05101 Carburetor Stud1
25 751-11567 Carburetor Insulator Gasket1 S
25 751-11567 Carburetor Insulator Gasket Furnish

25 751-11567 Carburetor Insulator Gasket Furnish

25 751-11567 Carburetor Insulator Gasket Furnish

1

Short Block

1

Cylinder Head Assembly

1

Gasket Kit External

1

Gasket Kit Complete

1 S

951-10798A, Short Block

1 S

951-10799, Cylinder Head Assembly

1 S

951-10801A, Gasket Kit External

25 751-11567 Carburetor Insulator Gasket Furnish

26 951-11568 Carburetor Insulator1 /P
26 951-11568 Carburetor Insulator Furnish 951-10798A,

26 951-11568 Carburetor Insulator Furnish 951-10799,

26 951-11568 Carburetor Insulator Furnish 951-10802A,

27 951-11569 Carburetor Gasket1 /P
27 951-11569 Carburetor Gasket Furnish 951-10801A,

27 951-11569 Carburetor Gasket Furnish 951-10802A,

28 951-10797 Carburetor Assembly (Incl. Ref No. a-x)1 /P
29 951-11571 Carburetor Gasket Plate1 /P
29 951-11571 Carburetor Gasket Plate Furnish

29 951-11571 Carburetor Gasket Plate Furnish

1 S

951-10802A, Gasket Kit Complete

1 /P

Short Block

1 /P

Cylinder Head Assembly

1 /P

Gasket Kit Complete

1 /P

Gasket Kit External

1 /P

Gasket Kit Complete

1 /P

951-10798A, Short Block

1 /P

951-10802A, Gasket Kit Complete

30 951-10806 Air Cleaner Housing1 /P
31 712-04213 Nut1 /P
32 951-11067 Throttle Control Knob1 /P
33 710-05102 Self-Tapping Bolt1

www.mymowerparts.com

For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983

21C-64M1066 Bronco CRT Roto-Tiller (2009) Page 6 of 20
Engine Assembly 170-T0A

Ref # Part Number Qty DescriptionS/P/F

35 N/A Lower Housing Furnish 951-10818, Air

1

Cleaner Housing Assembly

36 N/A Air Cleaner Foam Wrap Furnish 951-10794,

37 N/A Air Cleaner Element Furnish 951-10794, Air

38 N/A Upper Housing Furnish 951-10818, Air

39 951-11572 Cylinder Head Gasket1 /P
39 951-11572 Cylinder Head Gasket Furnish 951-10798A,

39 951-11572 Cylinder Head Gasket Furnish 951-10799,

39 951-11572 Cylinder Head Gasket Furnish 951-10819,

39 951-11572 Cylinder Head Gasket Furnish 951-10802A,

40 951-10648 Push Rod Kit1 /P
41 N/A Valve Lifter Furnish 951-10798A, Short Block2
42 715-04090 Dowel Pin1
42 715-04090 Dowel Pin Furnish 951-10799, Cylinder Head

1

Air Cleaner

1

Cleaner

1

Cleaner Housing Assembly

1 /P

Short Block

1 /P

Cylinder Head Assembly

1 /P

Cylinder Head Service Kit

1 /P

Gasket Kit Complete

2

Assembly

43 N/A Exhaust Valve Furnish 951-10799, Cylinder

43 N/A Exhaust Valve Furnish 951-10647, Valve Kit1
44 N/A Intake Valve Furnish 951-10799, Cylinder

44 N/A Intake Valve Furnish 951-10647, Valve Kit1
45 951-11253 Piston Ring Set1 /P
45 951-11253 Piston Ring Set Furnish 951-10798A, Short

46 N/A Piston Pin Clip Furnish 951-10798A, Short

47 N/A Piston Furnish 951-10798A, Short Block1
48 N/A Piston Pin Furnish 951-10798A, Short Block1
49 710-04915 Bolt1
50 951-11113 Air Shield1 /P
51 951-11573 Connecting Rod Assembly1 /P
51 951-11573 Connecting Rod Assembly Furnish

52 951-11356 Governor Arm Shaft1 /P
52 951-11356 Governor Arm Shaft Furnish 951-10798A,

1

Head Assembly

1

Head Assembly

1 /P

Block

2

Block

1 /P

951-10798A, Short Block

1 /P

Short Block

52 951-11356 Governor Arm Shaft Furnish 951-11588,

1 /P

Crankcase Kit

www.mymowerparts.com