You are here: Home > MORE .... > Ryobi > Ryobi Chain Saws > Ryobi RY10521 46cc Chain Saw
Ryobi RY10521
Ryobi RY10521
Model: RY10521 46cc Chain Saw Add to My Models

Ryobi RY10521

1. Lock Nut (10-24) RY-678027002
2. Screw (10-14 x 5/8 in., Torx Pan Hd.) RY-660632001
3. Spike Bar. RY-631039001
4. Screw (10-24 x 5/8 in., Torx Pan Hd.) RY-660625001
5. Filter Cover. RY-310995001
6. Inner Guide Plate. RY-631036001
7. Screw (6-19 x 1/2 in., T.F.) RY-T660619001
8. 18 in. Guide Bar w/SAFE-T-TIP (Inc. Key Nos. 45-46, Model RY10519 & RY10519A) RY-310628003
xx. 20 in. Guide Bar w/SAFE-T-TIP (Inc. Key Nos. 45-46, Model RY10521 & RY10521A) RY-310629003
9. Screw (10-14 x 1/2 in., Torx Truss Hd. T.F.) RY-660614001
10. Guide Bar Nut (5/16-18) RY-678339003
11. Logo Label. RY-940635069
12. Chain Cover Assembly RY-300957019
13. E-Ring RY-671103001
14. Cupped Washer RY-631060001
15. Sprocket Drum and Bearing Assembly(.325 chain) RY-300958002
16. Chain Brake Label RY-941511001
17. Chain (.325 x 72 link, 18 in., Model RY10519 & RY10519A) RY-901430001
xx. Chain (.325 x 78 link, 20 in., Model RY10521 & RY10521A) RY-900920027
18. Warning Label (Model RY10519 & RY10519A) RY-940637013
xx. Warning Label (Model RY10521 & RY10521A) RY-940637012
19. Screw (10-16 x 1-1/2 in. Special) RY-660636001
20. Combustion Label RY-940654088
21. Top Cover RY-518042022
22. Spark Plug (Champion RCJ6Y) RY-870174001
23. Screw (8-16 x 5/8 in., Torx T.F.) RY-660617001
24. Air Filter. RY-518049001
25. Phone Number Label RY-940487006
26. Screw (10-14 x 1/2 in., T.F.) RY-660621001
27. Combination Wrench RY-631055005
28. Starting Instruction Label. RY-940734085
29. Fuel Cap Assembly RY-300948005
30. Fuel Filter. RY-310976001
31. Fan Housing Baffle. RY-518055002
32. Starter Cover Assembly. RY-308067008
33. C4618 Label (Model RY10519 & RY10519A) RY-940968017
xx. C4620 Label (Model RY10521 & RY10521A) RY-940968018
34. Screw (10-14 x 7/8 in., Torx Truss Hd.) RY-660637001
35. Prefilter RY-900844001
36. Oil Cap Assembly. RY-300949004
37. Heat Shield. RY-638455002
38. Chain Catcher. RY-631035003
39. Bolt (Square Hd.) RY-660626002
40. Muffler Gasket. RY-900848003
41. Lock Nut (10-32) RY-671079001
42. Muffler Plate. RY-900888002
43. Muffler Deflector RY-638513005
44. Muffler Assembly (Includes Key Nos. RY-309310006
45. Screw w/Washer (8-32 x 7/16 in., Hex RY-660640001
46. SAFE-T-TIP. RY-308944001
xx. 18 in. Scabbard (Model RY10519 & RY10519A) RY-518061012
xx. 20 in. Scabbard (Model RY10521 & RY10521A) RY-518061013
xx. Carrying Case (Scabbard Not Included) RY-308280003
xx. Operatorís Manual (RY10519 & RY10521) RY-988000565
xx. Operatorís Manual(RY10519A & RY10521A, 2012) RY-990000019
xx. Operatorís Manual(RY10519A & RY10521A, 2013) RY-990000486

Ryobi RY10521


1. Heat Reflector Tape RY-901421003
2. Spacer Insert RY-671087001
3. Oil Outlet Grommet RY-570226001
4. Guide Bar Bolt RY-660628001
5. Speed Nut ("U"-Type) RY-671077001
6. Duck Bill Valve RY-560955001
7. Element RY-671088001
8. Washer RY-671080001
9. Screw (10-24 X 2 In.) RY-660622001
10. Hose Clamp RY-690765001
11. Chassis RY-300951016
12. Speed Nut ("U"-Type) RY-671077002
13. Inlet Tubing (166 mm) RY-562967005
14. Return Tubing (220 mm) RY-570259046
15. Spring RY-638024001
16. Retaining Ring RY-671075001
17. Hand Guard RY-300985007
18. Hand Guard Actuating Pin RY-620282001
19. Brake Band RY-631063002
20. Spring Pin RY-671095001
21. Spring RY-678113001
22. Chain Brake Cover RY-511720002
23. Screw (8-16 X 5/16 In.) RY-660634001
24. Chain Brake Link Assembly RY-300954001
25. Spring Pin (Small) RY-671099001
26. Screw (8-32 X 5/8 In.) RY-660635001
27. Pivot (Right Hand) RY-671096001
28. Pivot (Left Hand) RY-671097001
29. Hair Pin RY-631034002
30. Throttle Cable RY-900885001
31. Primer Bulb RY-308088003
32. Rubber Tubing (64 mm) RY-570259051
33. Split Grommet RY-570227001
34. Control Panel RY-518044004
35. Front Handle RY-511724005
36. Screw (12-14 X 1-1/2 In.) RY-660631001
37. Rear Handle RY-511721008
38. Spring RY-671101005
39. Screw (10-14 X 5/8 In., T.F.) RY-660632001
40. Screw (10-14 X 1/2 In., T.F.) RY-660618001
41. Limiter (Upper Isolator Spring) RY-308776005
42. Trigger Release RY-518051007
43. Screw (10-14 X 3/4 In., T.F.) RY-660629001
44. Screw (10-14 X 5/8 In., T.F.) RY-660719001
45. Spring Retainer RY-631050003
46. Screw (10-14 X 1-3/8 In.) RY-660633001
47. Handle Cover RY-511722009
48. Torsion Spring RY-678037001
49. Trigger RY-518052003
50. Plug RY-518050003
51. Isolator Plate RY-631051001
52. Isolator Spring RY-671098003
53. Screw (10-24 X 5/8 In., T.F.) RY-660630001
54. Screw (8-32 X 3/4 In., T.F.) RY-660639001
55. Ignition Switch Assembly RY-290298002
56. Ignition Kit RY-309261003
57. Spring RY-671101006
58. Spring Retainer RY-631050004
59. Baffle RY-631370001
60. Choke Lever RY-511709007
61. Stop Switch RY-760338002

Ryobi RY10521


1. Cylinder RY-640200015
2. Piston Ring RY-678747003
3. Piston RY-640350012
4. Retaining Ring RY-678053001
5. Piston Pin RY-620392001
6. Crankshaft Assembly RY-309160007
7. Shaft Seal RY-570220004
8. Screw (8-32 X 5/8 In.) RY-660627001
9. Ball Bearing RY-671089002
10. Crankcase RY-640843002
11. Short Block Assembly (Inc. Key Nos. 1-10) RY-309890007
12. Lock Nut (M8) RY-678067001
13. Washer RY-631049001
14. Flywheel Assembly RY-309010005
15. Oil Intake Tube Assembly RY-300950001
16. Oil Pump Assembly RY-300945001
17. Left Hand Worm RY-T610389001
18. Thrust Washer RY-631061001
19. Clutch Assembly RY-300960003
20. Wire Clamp RY-671267001
21. Intake Boot RY-570243001
22. Carburetor Adaptor Seal RY-518047001
23. Carburetor Adapter RY-308081002
24. Washer RY-671072001
25. Screw (10-14 X 3/4 In., T.F.) RY-660629001
26. Carburetor Plate RY-518045001
27. Carburetor Gasket RY-900886002
28. Carburetor Assembly RY-309360002
29. Air Filter Base RY-518048001
30. Screw (8-16 X 5/16 In.) RY-660634001
31. Screw (10-32 X 1 3/4 In.) RY-660655001
32. Grommet RY-570242002
.-xx. = Not shown on schematic.
Sort By:
Page of 8
Ryobi/Homelite Screw Thread Form #RY-660629001 Ryobi/Homelite Screw Pan Hd. ( 8-3 #RY-660627001
Ryobi/Homelite Screw Thread Form #RY-660629001
Our Price: $3.61
Sale Price: $3.01
You save $0.60!
Ryobi/Homelite Screw Pan Hd. ( 8-3 #RY-660627001
Our Price: $3.56
Sale Price: $2.97
You save $0.59!
Usually ships within 3 days Usually ships within 3 days
Ryobi/Homelite Clamp, Wire #RY-690765001 Ryobi/Homelite Clutch Assembly #RY-300960003
Ryobi/Homelite Clamp, Wire #RY-690765001
Our Price: $3.79
Sale Price: $3.16
You save $0.63!
Ryobi/Homelite Clutch Assembly #RY-300960003
Our Price: $14.72
Sale Price: $12.27
You save $2.45!
Usually ships within 3 days Usually ships Same Day / Next Day
Ryobi/Homelite Ignition Kit #RY-309261003 Ryobi/Homelite Flywheel Assembly #RY-309010005
Ryobi/Homelite Ignition Kit #RY-309261003
Our Price: $19.70
Sale Price: $16.42
You save $3.28!
Ryobi/Homelite Flywheel Assembly #RY-309010005
Our Price: $17.39
Sale Price: $14.49
You save $2.90!
Usually ships within 3 days Usually ships within 3 days
Ryobi/Homelite Screw, # 8-16X5/16" Torx Thd Fo #RY-660634001 Ryobi/Homelite Primer Bulb #RY-308088003
Ryobi/Homelite Screw, # 8-16X5/16" Torx Thd Fo #RY-660634001
Our Price: $3.79
Sale Price: $3.16
You save $0.63!
Ryobi/Homelite Primer Bulb #RY-308088003
Our Price: $11.65
Sale Price: $9.71
You save $1.94!
Usually ships within 3 days Usually ships within 3 days
Ryobi/Homelite Carburetor Ruixing #RY-309360002 Ryobi/Homelite Front Handle #RY-511724005
Ryobi/Homelite Carburetor Ruixing #RY-309360002
Our Price: $40.81
Sale Price: $34.01
You save $6.80!
Ryobi/Homelite Front Handle #RY-511724005
Our Price: $14.95
Sale Price: $12.46
You save $2.49!
Usually ships within 3 days Usually ships within 3 days