Page 1
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 1 of 6
Boom and Trimmer
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Page 2
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 2 of 6
Boom and Trimmer
Ref # Part Number Qty DescriptionS/P/F
1 753-05192 Throttle Housing Assembly (includes 2-4)1
2 753-04991 Throttle Trigger1 S
3 753-05007 Throttle Trigger Spring1 /P
4 753-05171 Throttle Trigger Lock-Out1 S
5 791-182405 Switch Assembly1 /P
6 753-05172 Throttle Cable Assembly1
7 791-610327 Harness Clip1
8 753-04236 Upper Drive Shaft Housing Assembly1 /P
9 791-181099 J-Handle Assembly1
10 791-683295 Handle Bracket Assembly (includes 11-16)1
11 791-181811 Screw1
12 791-181812 Upper Handle Clamp1
13 791-181813 Middle Handle Clamp1
14 791-181814 Lower Handle Clamp1
15 791-181815 Nut1
16 791-145569 Anti-Rotation Screw1 /P
17 753-1190 Split Boom Coupler (includes 18-21)1 /P
18 791-182057 Screw1
19 791-181617 Bolt1
20 791-181981 Adjustment Knob1
21 753-04386 Knob Retaining Nut1 S
22 791-182541 Lower Drive Shaft Housing Assembly1
23 791-613300 Lower Flexible Drive Shaft1
24 791-182200 Shield Mount Screw Assembly1
25 791-182193 2 piece Gearbox Assembly (includes 26-29)1 /P
26 791-182195 Gearbox Mounting Hardware1
27 791-145569 Anti-Rotation Screw1 /P
28 791-182196 Blade Driver1
29 753-04348 Palnut1 /P
30 791-147492 Blade Shield/Shield Mount1
31 791-683304 Shield Mounting Screw1
32 791-682061 Blade Assembly1
33 791-683299 Shield Assembly (includes 32)1
34 791-147490 Retaining Washer1
35 791-612483 Spool Shaft1
36 791-683301 Outer Spool Assembly1
37 791-612026 Retainer1
38 791-610636B Spring1 /P
39 791-147495 Inner Reel1
40 791-180814B Bump Head Knob Assembly1 /P
41 791-145873B 4-Tooth Blade1 /P
42 791-181699 Nut1 S
791-180014B Blade Retaining Kit (includes 34 & 43) (not
1
shown)
791-613226 Locking Rod Tool (not shown)1
791-682075B Shoulder Harness (not shown)1 /P
753-04216 Replacement Line, 0.105 Diameter Optional
753-1224 Reel and Line Assembly (Optional
1
Accessories) (not shown)
1 /P
Accessories) (not shown)
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Page 3
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 3 of 6
Boom and Trimmer
Ref # Part Number Qty DescriptionS/P/F
753-1161 Bump Head Assembly (includes 35-40)
1 /P
(Optional Accessories) (not shown)
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Page 4
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 4 of 6
Engine
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Page 5
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 5 of 6
Engine
Ref # Part Number Qty DescriptionS/P/F
1 753-04511 Air Cleaner Cover Assembly (includes 2 & 39)1 /P
2 791-180350B Air Cleaner Filter1 /P
3 791-180351 Carburetor Mounting Screw Assembly1
4 791-180226 Wavey Washer1 S
5 791-182202 Choke Knob w/Screw1 /P
6 753-04418 Choke Lever (includes 5)1 /P
7 753-04419 Choke Plate (includes 6)1 /P
8 753-05133 Carburetor Assembly (includes 9 & 20)1
9 791-610675 Carburetor Gasket1
10 791-181860 Carb Mount Screw1
11 791-683974B Primer & Hose Assembly1 /P
12 753-1196 Carb Mount Assembly (includes 10, 13 & 14)1 /P
13 791-684451 Reed Assembly1
14 753-1208 Carburetor Mount Gasket1 /P
15 753-04401 Crankcase Service Assembly (includes 10)1
16 791-612134 Rear Mounting Pad1
17 753-04307 Fuel Tank Assembly (includes 18-20)1 /P
18 791-182529 Fuel Cap Assembly1
19 791-181086 Fuel Return Line1 /P
20 753-04233 Fuel Line Assembly1
21 791-145308 Front Mounting Pad1
22 753-04409 Shroud Extension & Stand (includes 39)1 S
23 791-182736 Flywheel Assembly1 S
24 791-181525 Spacer1
25 753-04459 Recoil Pulley Assembly (includes 26, 28 & 30)1 /P
26 753-04286 Recoil Spring1
27 753-1200 Rope Guide1
28 753-04288 Pulley Retainer1 /P
29 791-181079 Pull Handle1 S
30 791-613103 Rope1
31 753-04417 Pressure Plate Assembly (includes 32)1 /P
32 753-1202 Plate Screw1
33 753-04402 Starter Housing Assembly (includes 25-32,
1
34 & 39)
34 791-181862 Housing Screw1 /P
35 791-182396 Clutch Washer1 S
36 791-182369 Clutch Rotor Assembly1 S
37 791-153592 Clutch Drum Assembly1 /P
38 753-04403 Clutch Cover Assembly (includes 39-42)1
39 791-181345 Cover Screw1 /P
40 791-182519 Anti-Rotation Screw1
41 753-04003 Clamping Screw1
42 791-180217 Clamping Nut1 S
43 753-05025 Wire Leads and Sleeve1 /P
44 791-611063 Ground Tab1 /P
45 753-04336 Module Assembly1
46 791-610311B Spark Plug1 /P
47 753-05169 Muffler Assembly (includes 48, 49 & spark
48 753-04619 Exhaust Gasket1 /P
49 753-04620 Muffler Mounting Bolts1 S
50 753-04814 Cylinder Assembly (includes 52 & 53)1 /P
1 /P
arrestor)
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Page 6
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
TB90BC 41BDT90C711 Page 6 of 6
Engine
Ref # Part Number Qty DescriptionS/P/F
51 753-04367 Piston and Rod Assembly1 /P
52 753-04182 Cylinder Gasket1
53 791-182723 Cylinder Bolt1
753-1209 Piston Ring Set (not shown)1
753-04812 Short Block Assembly (includes 10, 15, 46 &
791-181599 Clutch Springs (Qty. 2) (not shown)1
1 /P
50-53) (not shown)
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