Ryobi 875r User manual

Reissued 7/02
ENGINE PARTS - MODEL 875r
4-CYCLE GAS TRIMMER
PPN - 41CD875A034
1
46
49
50
51
52
54
53
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
45
87

ENGINE PARTS - MODEL 875r
4-CYCLE GAS TRIMMER
PPN - 41CD875A034
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
64 791-182736 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 38, 40-42)
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
Issued 7/02

Issued 7/02
BOOM AND TRIMMER PARTS - MODEL 875r
4-CYCLE GAS TRIMMER
PPN - 41CD875A034
Item Part No. Description
1791-182808 Throttle Housing and Trigger
Assembly (includes 2 & 3)
2791-610314 Throttle Trigger Spring
3791-182385 Throttle Trigger
4753-1231 Throttle Cable Assembly
5753-1247 Upper Drive Shaft Housing Assembly
6791-180687 J-Handle Assembly (includes 7 & 8)
7791-612831 Grip
8791-612021 Tube Closure
9791-683295 Handle Bracket Assembly (includes 10-15)
10 791-181811 Screw
11 791-181812 Upper Handle Clamp
12 791-181813 Middle Handle Clamp
13 791-181814 Lower Handle Clamp
14 791-181815 Nut
15 791-145569 Anti-Rotation Screw
16 791-181616B EZ-Link Coupler (includes 17-20)
17 791-182057 Screw
18 791-181617 Bolt
19 791-181618B Adjustment Knob
20 791-181886 Knob Retaining Nut
21 753-04089 Lower Drive Shaft Housing Assembly
22 791-181166 Lower Flexible Drive Shaft
23 791-153597 Lower Clamp Assembly (includes 24)
24 791-145569 Anti-Rotation Screw
25 791-181470 Gearbox Assembly (includes 24 & 29 - 41)
26 791-180547 Shield Mounting Hardware
27 791-180548 Shield and Blade Assembly (includes 28)
28 791-180553 Blade Assembly
29 791-181457 Outer Spool Assembly (includes 30)
30 791-181458 Retainer
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 & Washer
41 791-181468B Bumb Head Knob Assembly (includes 39 & 40)
Optional Accessories
*791-181472 Replacement Line, 0.080 Diameter
*791-181460B Reel and Line Assembly
*791-682075B Shoulder Strap Assembly
*Items Not Shown
1
18
19
16
20 21
1
8
7
6
9
10
11
13
12
14
15
17
5
4
2
3
24
22
27
23
32
30
33
34
29 31
25
26
28
38
36
35
40
37
39
41