Issued 12/02
ENGINE PARTS - MODEL YM300
2-CYCLE GAS TRIMMER
PPN- 41BDY30G401
Item Part No. Description
1 791-182059 Air Cleaner/Muffler Cover Assembly
(includes 2 & 34)
2 791-180350 Air Cleaner Filter
3 791-180351 Carburetor Mounting Screw Assembly
4 791-180226 Wavey Washer
5 753-1182 Choke Lever Assembly (includes 6)
6 753-1183 Choke Knob and Screw
7 753-1184 Choke Lever and Plate (includes 5 & 6)
8 753-04320 Carburetor Assembly (includes 9 & 20)
9 791-610675 Carburetor Gasket
10 791-181860 Carb Mount Screw
11 753-1185 Primer and Hose Assembly
12 753-1196 Carb Mount Assembly (includes 10, 13 & 14)
13 791-684451 Reed Assembly
14 753-1208 Carburetor Mount Gasket
15 753-04321 Crank Case Service Assembly
(includes 10)
16 791-612134 Rear Mounting Pad
17 791-181152 Fuel Tank Assembly (includes 18-20)
18 753-1187 Fuel Cap Assembly
19 791-181168 Fuel Return Line
20 791-682039 Fuel Line Assembly
21 791-145308 Front Mounting Pad
22 791-182064 Shroud Extension and Stand
23 791-182736 Flywheel Assembly
24 791-610303 Square Nut Drive
25 753-04232 Recoil Pulley Assembly
26 791-613102 Recoil Spring
27 791-611061 Rope Guide
Item
Part No. Description
28 791-181889 Pulley Retainer Assembly
29 753-04241 Switch Assembly (includes 36)
30 791-181079 Pull Handle
31 791-613103 Rope
32 753-04244 Starter Housing Assembly
(includes 25-31, 33 & 34)
33 791-181862 Housing Screw
34 791-181345 Cover Screw
35 791-153597 Upper Clamp Assembly
36 753-04242 Wire Lead
37 753-04324 Module Assembly (includes 46)
38 791-610311 Spark Plug
39 753-04159 Exhaust Gasket
40 791-182066 Muffler Assembly (includes 39, 41 & 47)
41 791-147575 Muffler Mounting Bolt Assembly
42 753-04323 Cylinder Assembly (includes 44 & 45)
43 753-1207 Piston and Rod Assembly
44 753-1197 Cylinder Gasket
45 791-182723 Cylinder Bolt
46 791-611063 Ground Tab
47 791-182747 Spark Arrestor
* 753-04134 Engine Gasket Kit
* 791-180602 O.E.M. Carburetor Repair Kit (Walbro)
* 791-181069 Gasket Diaphragm Repair Kit (Walbro)
* 753-1209 Piston Ring
* 753-04322 Short Block Assembly
(includes 10, 38, 42-45)
* Items Not Shown
34
1
2
3
8
10
12
3
4
5
7
6
11
13
14
15
43
44
21
45
19
16
17
18
20
23
24
25
28
29
27
30
31
33
34
35
32
22
36
37
42
38
39
41
26
9
46
47
40
Issued 12/02
BOOM AND TRIMMER PARTS - MODEL YM300
2-CYCLE GAS TRIMMER
PPN- 41BDY30G401
Item Part No. Description
1 791-182069 Throttle Housing and Trigger Assembly
(includes 2-4)
2 791-610314 Throttle Trigger Spring
3 791-181556 Throttle Trigger
4 791-145888 Throttle Housing Screws
5 791-182068 Throttle Cable
6 753-04280 Flexible Drive Shaft
7 753-04281 Drive Shaft Housing Assembly
(includes 6 & 13)
8 791-153064 D-Handle Assembly (includes 9)
9 791-153317 D-Handle Hardware
10 753-04282 Guard Mounting Hardware
11 753-04283 Guard
12 791-180553 Blade Assembly
13 753-04284 Outer Reel w/Retainer
14 791-610317 Spring
15 791-610318 Inner Reel
16 791-153066 Bump Knob
Optional Accessories
* 791-153577 Inner Reel and Line
* 791-682075 Shoulder Strap Assembly
* Items Not Shown
1
5
6
1
4
3
2
9
9
8
7
10
12
12
11
10
14
15
16
13
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