yard-man YM90 owners Manual
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ENGINE PARTS - MODEL YM90 |
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3 |
2-CYCLE GAS TRIMMER/BRUSHCUTTER |
37 |
PPN 41ADY90C401 |
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48 |
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49 |
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Item |
Part No. |
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Description |
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Item |
Part No. |
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Description |
1 |
753-1192 |
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Air Cleaner/Muffler Cover Assembly |
31 |
753-04335 |
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Starter Housing Assembly |
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(includes 2 & 41) |
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(includes 23-30 & 32) |
2 |
791-180350B |
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Air Cleaner Filter |
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32 |
791-181862 |
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Housing Screw |
3 |
791-180351 |
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Carburetor Mounting Screw Assembly |
33 |
791-182368 |
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Clutch Washer |
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4 |
753-04227 |
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Choke Extension |
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34 |
791-182369 |
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Clutch Rotor Assembly |
5 |
753-1194 |
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Choke Plate |
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35 |
791-153592 |
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Clutch Drum Assembly |
6 |
753-04338 |
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Carburetor Assembly (includes 7 & 18) |
36 |
753-1204 |
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Clutch Cover Assembly |
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7 |
791-610675 |
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Carburetor Gasket |
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(includes 41-44) |
8 |
791-181860 |
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Carb Mount Screw |
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37 |
791-181345 |
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Cover Screw |
9 |
791-181558 |
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Primer and Hose Assembly |
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38 |
791-182519 |
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Anti-Rotation Screw |
10 |
791-182063 |
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Carb Mount Assembly (includes 8 & 11) |
39 |
753-04003 |
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Clamping Screw |
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11 |
791-684451 |
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Reed Assembly |
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40 |
791-180217 |
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Clamping Nut |
12 |
753-1208 |
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Carburetor Mount Gasket |
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41 |
791-182798 |
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Wire Leads and Sleeve |
13 |
753-04332 |
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Crank Case Service Assembly |
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42 |
791-611063 |
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Ground Tab |
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(includes 10) |
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43 |
753-04337 |
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Module Assembly |
14 |
791-612134 |
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Rear Mounting Pad |
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44 |
791-610311B |
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Spark Plug |
15 |
753-04307 |
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Fuel Tank Assembly (includes 16-18) |
45 |
791-182066 |
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Muffler Assembly (includes 47-49) |
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16 |
791-182612 |
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Fuel Cap Assembly |
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46 |
791-182747 |
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Spark Arrestor Screen |
17 |
791-181168 |
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Fuel Return Line |
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47 |
753-04159 |
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Exhaust Gasket |
18 |
753-04233 |
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Fuel Line Assembly |
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48 |
791-147575 |
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Muffler Mounting Bolt Assembly |
19 |
791-145308 |
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Front Mounting Pad |
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49 |
753-04323 |
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Cylinder Assembly (includes 52) |
20 |
791-182064 |
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Shroud Extension and Stand |
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50 |
753-1207 |
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Piston and Rod Assembly |
21 |
791-182736 |
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Flywheel Assembly |
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51 |
753-1197 |
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Cylinder Gasket |
22 |
791-181065 |
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Spacer |
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52 |
791-182723 |
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Cylinder Bolt |
23 |
753-1199 |
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Recoil Pulley Assembly |
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* |
791-180090 |
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O.E.M. Carburetor Repair Kit (Zama) |
24 |
753-04286 |
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Recoil Spring |
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* |
791-180091 |
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Gasket Diaphragm Repair Kit (Zama) |
25 |
753-1200 |
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Rope Guide |
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* |
753-1209 |
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Piston Ring Set |
26 |
753-04288 |
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Pulley Retainer |
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* |
753-04334 |
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Short Block Assembly |
27 |
791-181079 |
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Pull Handle |
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(includes 8, 12, 14, 22, 48, 51-56) |
28 |
791-613103 |
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Rope |
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* |
791-181599 |
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Clutch Springs (Qty. 2) |
29 |
753-1201 |
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Pressure Plate Assembly |
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* |
753-04134 |
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Eng Gasket Kit |
30 |
7531202 |
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Plate Screw |
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* |
Items Not Shown |
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Issued 11/02
BOOM AND TRIMMER PARTS - MODEL YM90 2-CYCLE GAS TRIMMER/BRUSHCUTTER
PPN 41ADY90C401
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1 |
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47 |
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5 |
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46 |
48 |
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11 |
10 |
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28 |
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6 |
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28 |
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13 |
9 |
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1 |
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8 |
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49 |
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14 |
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12 |
45 |
50 |
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2 |
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4 |
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Item |
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3 |
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Part No. |
Description |
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1 |
753-04339 |
Throttle Housing and Trigger |
7 |
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20 |
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Assembly (includes 2-4) |
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27 |
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2 |
753-04340 |
Throttle Trigger Lock-Out |
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16 |
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22 |
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3 |
791-00058 |
Throttle Trigger |
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4 |
791-182690 |
Throttle Trigger Spring |
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17 |
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5 |
791-182405 |
Switch Assembly |
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6 |
753-04278 |
Throttle Cable Assembly |
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19 |
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7 |
791-610327 |
Harness Clip |
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8 |
753-04236 |
Upper Drive Shaft Housing Assembly |
23 |
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24 |
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9 |
791-181099 |
J-Handle Assembly (includes 10 & 11) |
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10 |
791-612831 |
Grip |
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25 |
26 |
11 |
791-612021 |
Tube Closure |
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12 |
791-683295 |
Handle Bracket Assembly (includes 13-18) |
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13 |
791-181811 |
Screw |
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34 |
32 |
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14 |
791-181812 |
Upper Handle Clamp |
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15 |
791-181813 |
Middle Handle Clamp |
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16 |
791-181814 |
Lower Handle Clamp |
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33 |
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17 |
791-181815 |
Nut |
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18 |
791-145569 |
Anti-Rotation Screw |
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29 |
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19 |
791-182928 |
Click-Link Coupler (includes 20-23) |
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20 |
791-182057 |
Screw |
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21 |
791-181617 |
Bolt |
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22 |
791-181618 |
Adjustment Knob |
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23 |
791-181886 |
Knob Retaining Nut |
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24 |
791-180804 |
Lower Drive Shaft Housing Assembly |
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25 |
791-613300 |
Lower Flexible Drive Shaft |
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34 |
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26 |
791-182200 |
Shield Mount Screw Assembly |
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27 |
791-182193 |
2 piece Gearbox Assembly (includes 28-30) |
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28 |
791-182195 |
Gearbox Mounting Hardware |
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42 |
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29 |
791-145569 |
Anti-Rotation Screw |
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30 |
791-182196 |
Blade Driver |
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31 |
791-147492 |
Blade Shield/Shield Mount |
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32 |
791-683304 |
Shield Mounting Screw |
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33 |
753-1191 |
Shield and Blade Assembly (includes 34) |
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35 |
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34 |
791-682061 |
Blade Assembly |
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35 |
791-147490 |
Retaining Washer |
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36 |
791-612483 |
Spool Shaft |
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37 |
791-683301 |
Outer Spool and Eyelet Assembly |
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35 |
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38 |
791-612026 |
Retainer |
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39 |
791-610636B |
Spring |
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43 |
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40 |
791-147495 |
Inner Reel |
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41 |
791-180814B |
Bump Head Knob Assembly |
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42 |
791-145873B |
4-Tooth Blade |
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43 |
791-181699 |
Nut |
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* |
791-180014B |
Blade Retaining Kit (includes 35 & 43) |
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* |
791-613226 |
Locking Rod Tool |
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* |
791-682075B |
Shoulder Harness |
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2 Piece Gearbox Assembly Parts – Item 27 |
Optional Accessories |
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44 |
791-182191 |
Left Housing |
* |
753-1160 |
Reel and Line Assembly |
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45 |
791-182192 |
Right Housing |
* |
753-1161 |
Bump Head Assembly |
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46 |
791-182194 |
Pinion Gear Assembly |
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(includes 36-41) |
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47 |
791-182199 |
Output Shaft Bushing |
* |
791-682075B |
Shoulder Harness |
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48 |
791-182198 |
Output Shaft Gear |
* |
Items Not Shown |
41 |
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49 |
791-182197 |
Output Shaft Assembly |
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(includes 46 & 47) |
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50 |
753-04348 |
Palnut |
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Issued 11/02
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