Ryobi TB25ET Parts List
Issued 10/03
Item
Part No. Description
31 753-04402 Starter Housing Assembly (includes 25-32 & 37)
32 791-181862 Housing Screw
33 791-182368 Clutch Washer
34 791-182369 Clutch Rotor Assembly
35 791-153592 Clutch Drum Assembly
36 753-04403 Clutch Cover Assembly (includes 37-40)
37 791-181345 Cover Screw
38 791-182519 Anti-Rotation Screw
39 753-04003 Clamping Screw
40 791-180217 Clamping Nut
41 791-182798 Wire Leads & Sleeve
42 791-611063 Ground Tab
43 753-04337 Module Assembly
44 791-610311B Spark Plug
45 791-182066 Muffler Assembly (includes 46-48)
46 791-182747 Spark Arrestor Screen
47 753-04159 Exhaust Gasket
48 791-147575 Muffler Mounting Bolt Assembly
49 753-04323 Cylinder Assembly (includes 51 & 52)
50 753-04367 Piston and Rod Assembly
51 753-1197 Cylinder Gasket
52 791-182723 Cylinder Bolt
* 791-180090 O.E.M. Carburetor Repair Kit
* 791-180091 Gasket Diaphragm Repair Kit
* 753-1209 Piston Ring Set
* 753-04397 Short Block Assembly
(includes 8, 13, 44, 49-52)
* 791-181599 Clutch Springs (Qty. 2)
* Items Not Shown
37
1
2
3
6
8
10
3
4
5
9
11
12
13
50
51
19
52
17
14
15
16
33
34
35
21
22
29
23
24
27
25
40
31
20
42
43
49
44
47
45
48
7
41
38
37
36
46
Item Part No. Description
1 753-1192 Air Cleaner/Muffler Cover Assembly
(includes 2 & 37)
2 791-180350B Air Cleaner Filter
3 791-180351 Carburetor Mounting Screws
4 753-1193 Choke Extension
5 753-1194 Choke Plate
6 753-04338 Carburetor Assembly (includes 7 & 18)
7 791-610675 Carburetor Gasket
8 791-181860 Carb Mount Screw
9 791-683974B Primer & Hose Assembly
10 753-1196 Carb Mount Assembly (includes 8 & 11)
11 791-684451 Reed Assembly
12 753-1208 Carburetor Mount Gasket
13 753-04401 Crank Case Service Assembly (includes 8)
14 791-612134 Rear Mounting Pad
15 753-04307 Fuel Tank Assembly (includes 16-18)
16 753-04084 Fuel Cap Assembly
17 791-181086 Fuel Return Line
18 753-04233 Fuel Line Assembly
19 791-145308 Front Mounting Pad
20 791-182064 Shroud Extension & Stand (includes 37)
21 791-182736 Flywheel Assembly
22 791-181065 Spacer
23 753-04459 Spring Assist Pulley Assembly
24 753-04286 Recoil Spring
25 753-1200 Rope Guide
26 791-181247 Pulley Retainer
27 791-181079 Pull Handle
28 791-613103 Rope
29 753-1201 Pressure Plate Assembly
30 753-1202 Plate Screw
30
26
28
37
39
ENGINE PARTS - MODEL TB25ET
2-CYCLE GAS TRIMMER - ENGINE
PPN 41ADT2EC066
18
32
37
BOOM AND TRIMMER PARTS - MODEL TB25ET
2 CYCLE TRIMMER - BOOM
PPN - 41ADT2EC066
Item Part No. Description
1 753-04118 Throttle Housing and Trigger Assembly
(includes 2-4, & 44)
2 753-04119 Throttle Trigger
3 791-182690 Throttle Trigger Spring
4 791-182405 Switch Assembly
5 791-182877 Throttle Cable
6 791-180687 J-Handle Assembly
7 791-683295 Handle Bracket Assembly (includes 8-13)
8 791-181811 Screw
9 791-181812 Upper Handle Clamp
10 791-181813 Middle Handle Clamp
11 791-181814 Lower Handle Clamp
12 791-181815 Nut
13 791-145569 Anti-Rotation Screw
14 791-610327 Harness Clip
15 753-04236 Upper Drive Shaft Housing Assembly
16 753-1190 Split Boom Coupler (includes 17-20)
17 791-182057 Screw
18 791-181617 Bolt
19 791-181981 Adjustment Knob (includes 20)
20 791-181886 Knob Retaining Nut
21 791-180340 Lower Drive Shaft Housing Assembly
22 791-181852 Lower Flexible Drive Shaft
23 791-153597 Lower Clamp Assembly
24 791-145569 Anti-Rotation Screw
25 791-180531 Shield Mounting Hardware
26 791-181659 Shield Assembly (includes 28)
27 791-181823 Blade Assembly
28 791-181857 Bushing Housing Assembly
29 791-181457 Outer Spool Assembly (includes 31)
30 791-181458 Retaining Ring
31 791-181561 Thrust Washer
32 791-181459 Small Spring
33 753-04257 Slider
34 791-181532 E-Clip
35 791-181531 Spring
36 791-181462 Plunger
37 791-181463 C-Clip
38 791-181464 Inner Reel
39 791-181465B Large Spring
40 791-181467 Foam Seal
41 791-181468B Bump Head Knob Assembly
(includes 40 & 41)
42 791-181469B Complete Cutting Head Assembly
43 791-00041 Throttle Trigger Lock-Out
Optional Accessories
* 791-180120 Replacement Line, 0.095 Diameter
* 753-04218 Reel and Line Assembly
* 791-682075 Shoulder Strap Assembly
* Items Not Shown
Issued 10/03
29
37
35
33
30
31
32
34
36
38
39
40
41
43
5
1
2
3
4
1
6
8
7
9
10
11
12
13
14
15
17
18
19
16
21
20
27
26
25
23
22
24
28
43
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