REPAIR SHEET
BRAND
DESCRIPTION
25cc String Trimmers
RYOBI
MODEL NO.
MFG. NOS.
RY252CSVNM
RY253SSVNM
095333126, 095333136, 095333142
095333127, 095333137, 095333143
TTI OUTDOOR POWER EQUIPMENT, INC.
P.O. Box 1288, Anderson, SC 29622 1-800-525-2579 www.ryobitools.com
The model number and manufacturing location will be found on a label attached to the product. Always mention this information in all communications regarding this product and when ordering parts.
3-30-22 (Rev:05)
RY252CSVNM/RY253SSVNM
FIGURE A
11
10
9
8
7
4
21
12
5
6
14
13
15
2
3
19
16
5
17
18
1
20
2
RY252CSVNM/RY253SSVNM
PARTS LIST — FIGURE A
QTY.
KEY NO.
PART NO.
Boom Clamp Assembly
1
13
307318001
Throttle Cable and Wire Assembly
1
941851150
Attachment Capable Label
1
14
760961002
On/Stop Switch
1
3
205370001
Upper Boom Assembly (Inc. Key Nos. 1-2 & 21)
1
15
518696020
Trigger
1
4
660563002
Screw (M4 x 20 mm, T20 Torx Hd. S.T.)
4
16
690694002
Trigger Spring
1
5
310831005
Control Handle Assembly (Inc. Key No. 4)
1
17
308991003
Front Handle Assembly (Inc. Key Nos. 18-20)
1
6
518695012
Trigger Lock
1
18
660643008
Screw (1/4-20 x 40 mm, Cap Hex Hd.)
1
7
690140011
Compression Spring
1
19
526764002
Front Handle
1
8
570234010
Rear Handle Grip
1
20
518949001
Wing Nut (1/4-20)
1
9
21
941851277
Warning Icon Label
1
KEY NO.
PART NO.
1
315386001
2
DESCRIPTION
T660697001 Screw (M6 x 30 mm, T27 Torx Button Hd.)
1
10
660925011
Screw (M4 x 8 mm, T20 Torx Pan Hd. S.T.)
1
Not Shown:
11
205044002
Powerhead Assembly w/Labels
1
998000028
12
678029002
Hex Nut (M6 x 1)
1
3
DESCRIPTION
Operator’s Manual
QTY.
RY252CSVNM/RY253SSVNM
FIGURE B
*27
26
26
28
30
29
31
25
32
23
**19
22
16
21
15
1
24
20
18
17
14
40
**37
13
10
**11
4
49
39
46
51
53
5
48
52
8
1
45
36
6
2
47
44
35
9
7
3
43
41
**34
12
46
38
33
42
4
50
RY252CSVNM/RY253SSVNM
PARTS LIST — FIGURE B
QTY.
KEY NO.
PART NO.
Screw w/Washer (M5 x 20 mm, T20 Torx Pan Hd.)
6
29
307157002
Rear Housing and Starter Assembly (Inc. Key Nos. 31-32)
1
940627041
Logo Label (Front)
1
30
660563002
Screw (M4 x 18 mm, T20 Torx Pan Hd. S.T.)
3
3
940654088
Combustion Warning Label
1
31
941788001
Primer Bulb Location Label
1
4
205082001
Front Housing Assembly (Inc. Key Nos. 2-3)
1
32
940627042
Logo Label (Rear)
1
5
660353001
Clutch Shoulder Bolt (M6 x 22.5 mm, Hex Hd.)
2
33
660970002
Shoulder Screw (M4 x 14 mm, T25 Torx Truss Hd. S.T.)
3
6
690696001
Curved Washer
2
34**
903279002
Insulator Gasket
1
7
307091001
Clutch Assembly
1
35
528275001
Heat Dam Insulator
1
8
690695001
Washer (ID6 x OD15 x 1.2t)
2
36
T662210002 Screw (M5 x 30 mm, T25 Torx Pan Hd. S.T.)
2
KEY NO.
PART NO.
1
660344001
2
DESCRIPTION
DESCRIPTION
QTY.
9
690689001
Flywheel Nut
1
37**
903034001
Gasket
1
10
307156001
Flywheel
1
38
307160011
Carburetor Assembly (Inc. Key No. 39)
1
11**
630002032
Muffler Gasket
1
39
563841001
Carburetor O-Ring
1
12
300748043
Muffler Assembly (Inc. Key Nos. 13-14)
1
40
307191001
Airbox Base Assembly (Inc. Key Nos. 41-45)
1
13
638268001
Screen
1
41
591442001
Choke Lever
1
14
660870001
Screw (6-20 x 1/4 in., T20 Torx Pan Hd. S.T.)
3
42
940864004
Fuel Mixture Label
1
15
638027002
Heat Shield
1
43
591440001
Air Box Base
1
590946001
Choke Plate
1
16
660347001
Screw (M5 x 50 mm, T25 Torx Pan Hd.)
2
44
17
307192001
Crankcase Assembly
1
45
660345001
Screw (M4 x 12 mm, T20 Torx Pan Hd. S.T.)
1
18
308004003
Starter Cup
1
46
660454020
Shoulder Screw (M5 x 45 mm, T25 Torx Pan Hd.)
2
19**
900709007
Gasket
1
47
560873001
Air Filter
1
20
290143002
Lead Wire (Red)
1
48
940647111
Choke Position Label
1
21
660968004
Screw w/Washer (M4 x 22 mm, T20 Torx Pan Hd. S.T.)
2
49
308649003
Airbox Cover (Inc. Key Nos. 48 & 50)
1
22
290143001
Lead Wire (Black)
1
50
940686168
Starting Instructions Label
1
23
291337008
Digital Module Assembly
1
51
308682055
Fuel Tank and Cap Assembly (Inc. Key Nos. 42 and 52-53)
1
24
690969001
Washer (ID4.2 x OD10 x 1t)
2
52
310976001
Fuel Filter
1
25
590462001
Spacer (Phenolic)
2
53
310816018
Fuel Cap Assembly
1
26
660342001
Screw (M5 x 22 mm, Soc. Hd.)
2
Not Shown:
27*
870174002
Spark Plug (Torch L7RTC)
1
000998930
Spark Arrestor Kit (Inc. Key Nos. 13-14)
28
642368001
Cylinder
1
120900307
High Altitude Kit (Not Included)
* Standard Hardware Item – May Be Purchased Locally
** Non-Reuseable Parts = Keys 11, 19, 34 & 37
5
RY252CSVNM/RY253SSVNM
18
11
12
16
8
8
13
7
12
6
14
9
17
9
7
6
15
16
5
11
5
4
10
4
10
13
3
3
15
2
2
14
1
PARTS LIST — RY253SSVNM
PARTS LIST — RY252CSVNM
KEY NO.
PART NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
314608001
537189001
530455002
530670001
529803001
679958001
662569001
314796001
660647001
638001001
940657165
518019004
205371001
308744010
205012001
532048003
DESCRIPTION
Trimmer Head Assembly (.095) (Inc. Key Nos. 2-8)
Bump Head
Bump Knob (Green)
Spool
String Guide
Compression Spring
Hex Nut (M8)
Locking Assembly
Screw (#10-32 x 3/8 in., Hex Washer Hd. S.T.)
Clamp
Warning Icon Label
Storage Hanger Cap
Curved Shaft Assembly (Inc. Key Nos. 9-12)
Grass Deflector Assembly (Inc. Key No. 15)
Fastener Kit
Crank Handle
1
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
KEY NO.
PART NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
314608002
537189001
530455002
530670001
529803001
679958001
662568002
314796001
532048003
678011001
308210009
660642001
660736001
308473004
660738002
205372001
940657165
518019004
DESCRIPTION
Trimmer Head Assembly (.095) (Inc. Key Nos. 2-8)
Bump Head
Bump Knob (Green)
Spool
String Guide
Compression Spring
Hex Nut (M8, L.H. Thread)
Locking Assembly
Crank Handle
Flanged Washer
Gear Case Assembly
Screw (1/4-20 x 1-1/4 in., Hex Washer Hd. S.T.)
Screw (10-24 x 5/8 in., Hex Washer Hd. S.T.)
Grass Deflector Assembly (Inc. Key No. 15)
Screw (1/4-20 x 7/8 in., Hex Hd.)
Straight Shaft Assembly (Inc. Key Nos. 17-18)
Warning Icon Label
Storage Hanger Cap
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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