Ryobi 890r User manual

1
46
49
50
51
52
53
54
47
48
55
57
58
61
86
59
60
67
72
73
74
71
70
69
66
75
76
77
79
78
68
80
81
82
83
81
84
65
64
63
62
56
2
316 17 19
20 21 22 23
24 25
26 27
85 28
29
31
32
34
37
4
5
8
10
6
7
9
13
11
38
12
15
14
39
18
40
41 42
43
44
30
33
36
35
Reissued 6/02
ENGINE PARTS - MODEL 890r
4-CYCLE GAS TRIMMER
PPN-41CD890G034
Part Numbers On Following Page
45
88

ENGINE PARTS - MODEL 890r
4-CYCLE GAS TRIMMER
PPN-41CD890G034
Reissued 6/02
Item Part No. Description
46 791-181247 Pal Nut Retaining Ring
47 753-1199 Recoil Pulley
48 753-1236 Recoil Spring
49 791-182366 Nut Clip
50 791-181079 Pull Handle
51 791-611061 Rope Guide
52 791-613103 Rope
53 791-181020 Starter Housing Assembly
(includes 46-52 & 54)
54 753-04154 Starter Housing Screw
55 791-182368 Clutch Washer
56 753-1238 Clutch with Spacer
57 791-153592 Clutch Drum
58 753-1239 Clutch Cover
59 791-145569 Anti-Rotation Screw
60 753-1240 Screw
61 791-181345 Clutch Cover Screw
62 791-182725 Ignition Module with Screws
63 791-181065 Spacer
64 791-181867 Flywheel
65 791-182743 Shroud Assembly with Screws
(includes 86)
66 791-182376 Crankcase Assembly
67 791-182375 90˚ Elbow
68 791-182379 Breather Hose
69 791-181015 Cam Gear
70 753-1242 Cam Follower
71 791-181013 Cam Bracket
72 791-181012 Cam Bracket Screw
73 791-181040 Valves, Intake and Exhaust
74 791-182374 Cylinder Gasket
75 791-181018 Oil Pan Gasket
76 791-182377 Oil Pan (includes 75 & 77)
77 791-181020 Oil Pan Screw
78 791-182378 Dipstick Assembly (includes 79)
79 791-182290 O-Ring
80 791-181009 Connecting Rod
81 791-181008 Wrist Pin Button
82 753-1243 Piston
83 791-181006 Wrist Pin
84 791-181005 Piston Ring Set
85 791-182409 Washer
86 791-181861 Screw
87 791-182365 Ignition Switch Assembly w/ Leads
*791-180852B Spark Plug
*753-04087 Short Block Assembly
(includes 3-15, & 66-84)
*791-180142 Starter Pawl Repair Kit
*753-04014 Carburetor Repair Kit
*791-182745
Cylinder Assembly (includes 9, 12, 14, 74)
*Parts not shown
Item Part No. Description
1753-1222 Engine Cover
2791-182339 Engine Cover Screws
3791-181025 Valve Cover Screw
4791-182098 Valve Cover
5791-182099 Valve Cover Gasket
6791-182340 Rocker Adjustment Nut
7791-182101 Rocker Arm Pivot
8791-182100 Rocker Arm
9791-182341 Rocker Arm Stud
10 791-182103 Valve Spring Retainer
11 791-181038 Valve Spring
12 791-182102 Push Rod Guide
13 791-181033 Push Rod
14 791-182653 Cylinder Head Assembly
15 791-182344 Cylinder Screw
16 753-1226 Intake Baffle
17 791-182749 Carburetor Mount Gasket
18 753-1232 Muffler Baffle
19 791-181034 Nut
20 791-182347 Carburetor Mount (includes 19)
21 791-182348 Carburetor Mount Screw
22 791-182732 Carburetor Gasket
23 753-1225 Carburetor with Primer
24 791-181751 O-Ring, Carburetor
25 791-182350 Air Filter/Choke Cover Assembly
(includes 28 & 29)
26 791-182097 Breather Tube
27 791-181750 Air Filter Mounting Screw
28 791-181757 Air Filter
29 791-182351 Air Filter Cover
30 791-182271 Fuel Cap
31 791-182352 Fuel Return Line
32 791-182353 Fuel Pick-Up Line with Filter
33 791-181080 Screw
34 791-182354 Washer
35 791-182355 Fuel Tank Assembly (includes 30-32)
36 791-182356 Fuel Tank Shield
37 753-1231 Throttle Cable
38 791-181048 Muffler Gasket
39 791-182359 Muffler (includes 40, 42-44)
40 791-180890 Spark Arrestor Screen
41 791-181045 Screen Cover
42 791-181046 Screw
43 791-182361 Muffler Mounting Screw
44 753-04092 Muffler Cover
45 753-1241 Nut

Reissued 6/02
BOOM AND TRIMMER PARTS - MODEL 890r
4-CYCLE GAS TRIMMER
PPN-41CD890G034
Item Part No. Description
1791-182801 Throttle Housing &
Trigger Assembly (includes 2-4)
2791-182802 Throttle Trigger Lock-Out
3791-182803 Throttle Trigger
4791-182690 Throttle Trigger Spring
5753-1231 Throttle Cable Assembly
6791-182804 Lead Wire Assembly
7791-182805 Switch Assembly (includes 6)
8791-610327 Harness Clip
9753-1247 Upper Drive Shaft Housing Assembly
10 791-181099 J-Handle Assembly (includes 11 & 12)
11 791-612831 Grip
12 791-612021 Tube Closure
13 791-683295 Handle Bracket Assembly (includes 14-19)
14 791-181811 Screw
15 791-181812 Upper Handle Clamp
16 791-181813 Middle Handle Clamp
17 791-181814 Lower Handle Clamp
18 791-181815 Nut
19 791-145569 Anti-Rotation Screw
20 791-181616B Click-Link Coupler (includes 21-24)
21 791-182057 Screw
22 791-181617 Bolt
23 791-181618B Adjustment Knob
24 791-181886 Knob Retaining Nut
25 791-182541 Lower Drive Shaft Housing Assembly
26 791-613300 Lower Flexible Drive Shaft
27 791-182200 Shield Mount Screw Assembly
28 791-182193 2 piece Gearbox Assembly (includes 27, 29 & 30)
29 791-182195 Gearbox Mounting Hardware
30 791-145569 Anti-Rotation Screw
31 791-147492 Blade Shield/Shield Mount
32 791-182196 Blade Driver
33 791-683304 Shield Mounting Screw
34 791-683299 Shield and Blade Assembly (includes 35)
35 791-682061 Blade Assembly
36 791-147490 Retaining Washer
37 791-612483 Spool Shaft
38 791-683301 Outer Spool Assembly
39 791-612026 Retainer
40 791-610636B Spring
41 791-147495 Inner Reel
42 791-180814B Bump Head Knob Assembly
43 791-145873B 4-Tooth Blade
44 791-181699 Nut
45 753-04348 Palnut
*791-180014B Blade Retaining Kit
(includes 36 & 45)
*791-613226 Locking Rod Tool
*791-682075 Shoulder Harness
19
25
26
27
27
32
32
29
29
30
33
31
35 28
28
34
39
37
43
38
36
35
24
41
40
36
42
44
1
1
5
7
6
15
16
17
18
14
13
12
10
9
8
11
4
3
2
49
50
46
47
30
48
51
20
21
22 23
29
2Piece Gearbox Assembly Parts –Item 28
46 791-182191 Left Housing
47 791-182192 Right Housing
48 791-182194 Pinion Gear Assembly
49 791-182199 Output Shaft Bushing
50 791-182198 Output Shaft Gear
51 791-182197 Output Shaft Assembly
(includes 49 & 50)
45
45