Honda OEM Part 91305-028-900 O-RING (9X1.6) (ARAI) This part replaces 91305-028-158.
- Product Code: 91305-028-900
$2.88
- Genuine Honda OEM part
- New in original packaging
- Fits the models listed in the fitment chart
- Easy, no-hassle returns
This product is vehicle specific.
Find your vehicle to make sure this part fits before you order.
Ships in 4 to 9 days
Genuine Honda OEM O-Ring (9X1.6) (ARAI) This Part Replaces 91305-028-158. (part number 91305-028-900) from the Cylinder Head diagram. It fits Honda ATC70A, Z50RA, CT110A, CH80A, TRX90A, CRF50FAC and 17 more built from 1977 to 2026.
Fits these models
- ATC70A: 1978–1982, 1984–1985
- ATC110A: 1979–1980, 1982–1983, 1985
- CB650A: 1979–1982
- Z50RA: 1979–1982, 1984–1987, 1991, 1993, 1999
- C70A: 1980–1983
- CT110A: 1980–1982, 1984, 1986
- ATC125MA: 1984–1985
- CH80A: 1985–1990, 1992–1993, 1999–2000, 2007
- TRX125A: 1985–1986
- TRX70A: 1986–1987
- CT70A: 1991–1994
- TRX90A: 1993–1994, 1998–2000, 2005
- XR70RA: 1999–2000, 2003
- CRF50FAC: 2012–2026
- CRF50F2AC: 2023–2026
- and 8 more models
See the Fitment tab for the full list with model codes.
Need Help Finding the Right Part?
Not sure it fits? Ask before you order — our team will check the part for your machine.
For a faster answer, include:
Year, make and model of your machine
VIN or frame / serial number
OEM part number or a photo of the old part
Find your ride
Check your current ride below to confirm product compatibility.
Honda
1987
2000
1999
1994
1993
1986
- TRX125A (86) FOURTRAX 125, JPN, VIN# JH3TE050-GC100001
- TRX70A (86) FOURTRAX 70, JPN, VIN# JH3TE100-GC000032 TO JH3TE100-GC045787
- CH80A (86) ELITE 80, JPN, VIN# JH2HF030-GS100013 TO JH2HF030-GS121277
- CT110A (86) TRAIL 110, JPN, VIN# JH2JD010-GS500001 TO JH2JD010-GS503962
- Z50RA (86) MOTORCYCLE, JPN, VIN# JH2AB020-GS700001 TO JH2AB020-GS711651
1985
- ATC110A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-FC600001
- ATC125MA (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TE010-EC100001
- ATC70A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-FK000001
- TRX125A (85) FOURTRAX 125, JPN, VIN# JH3TE050-FC000005 TO JH3TE050-FC046927
- CH80A (85) ELITE 80, JPN, VIN# JH2HF030-FS000049 TO JH2HF030-FS014538
- Z50RA (85) MOTORCYCLE, JPN, VIN# JH2AB020-FS600001
1984
1983
1982
- ATC110A (82) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-CC300001 TO JH3TB020-CC352101
- ATC70A (82) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-CC700001 TO JH3TB030-CC717796
- C70A (82) PASSPORT, JPN, VIN# JH2DA010-CS200006 TO JH2DA010-CS213668
- CB650A (82) MOTORCYCLE, JPN, VIN# JH2RC050-CM300003
- CB650SCA (82) NIGHTHAWK 650, JPN, VIN# JH2RC080-CM000013 TO JH2RC080-CM019135
- CT110A (82) TRAIL 110, JPN, VIN# JH2JD010-CS200001 TO JH2JD010-CS206370
- Z50RA (82) MOTORCYCLE, JPN, VIN# JH2AB020-CS300002 TO JH2AB020-CS317543
1981
- ATC70A (81) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-BC600001 TO JH3TB030-BC611215
- C70A (81) PASSPORT, JPN, VIN# JH2DA010-BS100003 TO JH2DA010-BS136772
- CB650A (81) MOTORCYCLE, JPN, VIN# JH2RC050-BM200001 TO JH2RC050-BM207746
- CT110A (81) TRAIL 110, JPN, VIN# JH2JD010-BS100002 TO JH2JD010-BS110551
- Z50RA (81) MOTORCYCLE, JPN, VIN# JH2AB020-BS200002 TO JH2AB020-BS211751
1980
- ATC110A (80) ALL TERRAIN CYCLE, JPN, VIN# TB02-2000001 TO TB02-2075225
- ATC70A (80) ALL TERRAIN CYCLE, JPN, VIN# TB03-2000001 TO TB03-2011706
- C70A (80) PASSPORT, JPN, VIN# DA01-1000014 TO DA01-1012613
- CB650A (80) MOTORCYCLE, JPN, VIN# RC05-2100002 TO RC05-2108005
- CT110A (80) TRAIL 110, JPN, VIN# JD01-5000001 TO JD01-5009733
- Z50RA (80) MOTORCYCLE, JPN, VIN# AB02-5100007 TO AB02-5110396
1979
1978
1992
1988
MOTORCYCLE
- CB175K4A MOTORCYCLE, JPN, VIN# CB175-5000001
- CB175K6A MOTORCYCLE, JPN, VIN# CB175-7000001
- CB175K7A MOTORCYCLE, JPN, VIN# CB175-8000001
- CB200A MOTORCYCLE, JPN, VIN# CB200-1000001
- CB200TA MOTORCYCLE, JPN, VIN# CB200T-2000001
- CL175K6A MOTORCYCLE, JPN, VIN# CL175-7000001 TO CL175-7030148
- CL200A MOTORCYCLE, JPN, VIN# CL200-1000001
- SL175K1A MOTORCYCLE, JPN, VIN# SL175-2000001
- ST90A MOTORCYCLE, JPN, VIN# ST90-1000002
2026
2025
2024
2023
2018
2012
2003
1991
- Honda TRX70A (87) FOURTRAX 70, JPN, VIN# JH3TE100-HC100012 CYLINDER HEAD + CYLINDER
- Honda TRX90A (05) SPORTRAX 90, JPN, VIN# JH2TE180-5K000001 CYLINDER HEAD
- Honda TRX90A (00) FOURTRAX 90, JPN, VIN# JH3TE180-YK500001 CYLINDER HEAD
- Honda TRX90A (99) ALL-TERRAIN VEHICLE (ATV), JPN, VIN# JH3TE180-XK400001 CYLINDER HEAD
- Honda TRX90A (98) ALL-TERRAIN VEHICLE (ATV), JPN, VIN# JH3TE180-WK300001 TO JH3TE180-WK303908 CYLINDER HEAD
- Honda TRX90A (94) ALL-TERRAIN VEHICLE (ATV), JPN, VIN# JH3TE180-RT100001 TO JH3TE180-RT102038 CYLINDER HEAD
- Honda TRX90A (93) ALL-TERRAIN VEHICLE (ATV), JPN, VIN# JH3TE180-PT000001 TO JH3TE180-PT007084 CYLINDER HEAD
- Honda TRX125A (86) FOURTRAX 125, JPN, VIN# JH3TE050-GC100001 CYLINDER HEAD + CYLINDER
- Honda TRX70A (86) FOURTRAX 70, JPN, VIN# JH3TE100-GC000032 TO JH3TE100-GC045787 CYLINDER HEAD + CYLINDER
- Honda ATC110A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-FC600001 CYLINDER HEAD + CYLINDER
- Honda ATC110A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-FC600001 GASKET KIT A
- Honda ATC125MA (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TE010-EC100001 CYLINDER HEAD CYLINDER
- Honda ATC70A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-FK000001 CYLINDER HEAD + CYLINDER
- Honda ATC70A (85) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-FK000001 GASKET KIT A
- Honda TRX125A (85) FOURTRAX 125, JPN, VIN# JH3TE050-FC000005 TO JH3TE050-FC046927 CYLINDER HEAD + CYLINDER
- Honda ATC125MA (84) ALL TERRAIN CYCLE, JPN, VIN# JH3TE010-EC000001 CYLINDER HEAD CYLINDER
- Honda ATC70A (84) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-EC900001 GASKET KIT A
- Honda ATC110A (83) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-DC400008 TO JH3TB020-DC453423 CYLINDER HEAD + CYLINDER
- Honda ATC110A (82) ALL TERRAIN CYCLE, JPN, VIN# JH3TB020-CC300001 TO JH3TB020-CC352101 CYLINDER HEAD + CYLINDER
- Honda ATC70A (82) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-CC700001 TO JH3TB030-CC717796 CYLINDER HEAD + CYLINDER
- Honda ATC70A (81) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-BC600001 TO JH3TB030-BC611215 CYLINDER HEAD + CYLINDER
- Honda ATC70A (81) ALL TERRAIN CYCLE, JPN, VIN# JH3TB030-BC600001 TO JH3TB030-BC611215 GASKET KIT A
- Honda ATC110A (80) ALL TERRAIN CYCLE, JPN, VIN# TB02-2000001 TO TB02-2075225 CYLINDER HEAD + CYLINDER
- Honda ATC110A (80) ALL TERRAIN CYCLE, JPN, VIN# TB02-2000001 TO TB02-2075225 GASKET KIT A
- Honda ATC70A (80) ALL TERRAIN CYCLE, JPN, VIN# TB03-2000001 TO TB03-2011706 CYLINDER HEAD + CYLINDER
- Honda ATC110A (79) ALL TERRAIN CYCLE, JPN, VIN# ATC110-2000005 TO ATC110-2069494 CYLINDER HEAD + CYLINDER
- Honda ATC70A (79) ALL TERRAIN CYCLE, JPN, VIN# ATC70-2100001 TO ATC70-2114685 CYLINDER HEAD + CYLINDER
- Honda ATC70A (78) ALL TERRAIN CYCLE, JPN, VIN# ATC70-2000036 TO ATC70-2010823 CYLINDER HEAD + CYLINDER
- Honda CH80A (07) ELITE 80, MEX, VIN# 3H1HF030-7D200001 CYLINDER HEAD
- Honda CH80A (00) ELITE 80, MEX, VIN# 3H1HF030-YD500001 CYLINDER HEAD
- Honda CH80A (99) ELITE 80, MEX, VIN# 3H1HF030-XD400001 CYLINDER HEAD
- Honda CH80A (93) ELITE 80, MEX, VIN# 3H1HF030-PD800001 TO 3H1HF030-PD803100 CYLINDER HEAD
- Honda CH80A (92) ELITE 80, MEX, VIN# 3H1HF030-ND700001 CYLINDER
- Honda CH80A (90) ELITE 80, MEX, VIN# 3H1HF030-LD500001 TO 3H1HF030-LD503000 CYLINDER
- Honda CH80A (89) ELITE 80, MEX, VIN# 3H1HF030-KD400001 TO 3H1HF030-KD404900 CYLINDER
- Honda CH80A (88) ELITE 80, JPN, VIN# JH2HF030-JS300001 TO JH2HF030-JS302354 CYLINDER
- Honda CH80A (87) ELITE 80, JPN, VIN# JH2HF030-HS200001 TO JH2HF030-HS209407 CYLINDER
- Honda CH80AC (87) ELITE 80, JPN, VIN# JH2HF031-HS200001 TO JH2HF031-HS205744 CYLINDER
- Honda CH80A (86) ELITE 80, JPN, VIN# JH2HF030-GS100013 TO JH2HF030-GS121277 CYLINDER
- Honda CH80A (85) ELITE 80, JPN, VIN# JH2HF030-FS000049 TO JH2HF030-FS014538 CYLINDER
- Honda CB175K4A MOTORCYCLE, JPN, VIN# CB175-5000001 CAMSHAFT + VALVE
- Honda CB175K6A MOTORCYCLE, JPN, VIN# CB175-7000001 CAMSHAFT + VALVE
- Honda CB175K7A MOTORCYCLE, JPN, VIN# CB175-8000001 CAMSHAFT + VALVE
- Honda CB200A MOTORCYCLE, JPN, VIN# CB200-1000001 CYLINDER + CYLINDER HEAD
- Honda CB200TA MOTORCYCLE, JPN, VIN# CB200T-2000001 CYLINDER + CYLINDER HEAD
- Honda CL175K6A MOTORCYCLE, JPN, VIN# CL175-7000001 TO CL175-7030148 CAMSHAFT + VALVE
- Honda CL200A MOTORCYCLE, JPN, VIN# CL200-1000001 CYLINDER + CYLINDER HEAD
- Honda SL175K1A MOTORCYCLE, JPN, VIN# SL175-2000001 CAMSHAFT + VALVES
- Honda ST90A MOTORCYCLE, JPN, VIN# ST90-1000002 CYLINDER + CYLINDER HEAD
- Honda CRF50F2AC (26) MOTORCYCLE, CHN, VIN# LALAE041-T3100002 TO LALAE041-T3199999 CYLINDER HEAD
- Honda CRF50FAC (26) MOTORCYCLE, CHN, VIN# LALAE041-T3100001 TO LALAE041-T3199999 CYLINDER HEAD
- Honda CRF50F2AC (25) MOTORCYCLE, CHN, VIN# LALAE041-S3900001 TO LALAE041-S3999999 CYLINDER HEAD
- Honda CRF50FAC (25) MOTORCYCLE, CHN, VIN# LALAE041-S3900001 TO LALAE041-S3999999 CYLINDER HEAD
- Honda CRF50F2AC (24) MOTORCYCLE, CHN, VIN# LALAE041-R3800001 TO LALAE041-R3899999 CYLINDER HEAD
- Honda CRF50FAC (24) MOTORCYCLE, CHN, VIN# LALAE041-R3800001 TO LALAE041-R3899999 CYLINDER HEAD
- Honda CRF50F2AC (23) MOTORCYCLE, CHN, VIN# LALAE041-P3700001 TO LALAE041-P3799999 CYLINDER HEAD
- Honda CRF50FAC (23) MOTORCYCLE, CHN, VIN# LALAE041-P3700001 TO LALAE041-P3799999 CYLINDER HEAD
- Honda CRF50FAC (22) MOTORCYCLE, CHN, VIN# LALAE041-N3600001 TO LALAE041-N3699999 CYLINDER HEAD
- Honda CRF50FAC (21) MOTORCYCLE, CHN, VIN# LALAE04C-M3200001 TO LALAE04C-M3299999 CYLINDER HEAD
- Honda CRF50FAC (20) MOTORCYCLE, CHN, VIN# LALAE04C-L3100001 CYLINDER HEAD
- Honda CRF50FAC (19) MOTORCYCLE, CHN, VIN# LALAE04C-K3000001 TO LALAE04C-K3099999 CYLINDER HEAD
- Honda CRF50FA (18) MOTORCYCLE, CHN, VIN# LALAE044-J3000001 CYLINDER HEAD
- Honda CRF50FAC (18) MOTORCYCLE, CHN, VIN# LALAE041-J3500001 TO LALAE041-J3599999 CYLINDER HEAD
- Honda CRF50FAC (17) MOTORCYCLE, CHN, VIN# LALAE041-H3400001 TO LALAE041-H3499999 CYLINDER HEAD
- Honda CRF50FAC (16) CRF50F, CHN, VIN# LALAE041-G3300001 TO LALAE041-G3399999 CYLINDER HEAD
- Honda CRF50FAC (15) CRF50F, CHN, VIN# LALAE041-F3200001 TO LALAE041-F3299999 CYLINDER HEAD
- Honda CRF50FAC (14) CRF50F, CHN, VIN# LALAE041-E3100001 TO LALAE041-E3199999 CYLINDER HEAD
- Honda CRF50FAC (13) CRF50F, CHN, VIN# LALAE041-D3000001 TO LALAE041-D3099999 CYLINDER HEAD
- Honda CRF50FAC (12) CRF50F, JPN, VIN# JH2AE031-CK000001 CYLINDER HEAD
- Honda CRF70FAC (12) CRF70F, JPN, VIN# JH2DE021-CK000001 CYLINDER HEAD
- Honda XR50RA (03) MOTORCYCLE, JPN, VIN# JH2AE030-3K300001 CYLINDER HEAD
- Honda XR70RA (03) MOTORCYCLE, JPN, VIN# JH2DE020-3K600001 CYLINDER HEAD
- Honda XR70RA (00) MOTORCYCLE, JPN, VIN# JH2DE020-YK300001 TO JH2DE020-YK399999 CYLINDER HEAD
- Honda XR70RA (99) MOTORCYCLE, JPN, VIN# JH2DE020-XK200001 TO JH2DE020-XK299999 CYLINDER HEAD
- Honda Z50RA (99) MOTORCYCLE, JPN, VIN# JH2AB020-XK800001 CYLINDER HEAD
- Honda CT70A (94) MOTORCYCLE, JPN, VIN# JH2DB010-RK300001 CYLINDER HEAD
- Honda CT70A (93) MOTORCYCLE, JPN, VIN# JH2DB010-PK200001 CYLINDER HEAD
- Honda Z50RA (93) MOTORCYCLE, JPN, VIN# JH2AB020-PK200001 CYLINDER
- Honda CT70A (92) MOTORCYCLE, JPN, VIN# JH2DB010-NK100001 TO JH2DB010-NK101762 CYLINDER HEAD
- Honda CT70A (91) MOTORCYCLE, JPN, VIN# JH2DB010-MS000005 TO JH2DB010-MS002310 CYLINDER HEAD
- Honda CT70A (91) MOTORCYCLE, JPN, VIN# JH2DB010-MS000005 TO JH2DB010-MS002310 GASKET KIT A
- Honda Z50RA (91) MOTORCYCLE, JPN, VIN# JH2AB020-MS000004 TO JH2AB020-MS005474 CYLINDER
- Honda ZB50A (88) MOTORCYCLE, JPN, VIN# JH2AB220-JS000006 TO JH2AB220-JS003064 CYLINDER
- Honda Z50RA (87) MOTORCYCLE, JPN, VIN# JH2AB020-HS800001 TO JH2AB020-HS803002 CYLINDER
- Honda CT110A (86) TRAIL 110, JPN, VIN# JH2JD010-GS500001 TO JH2JD010-GS503962 CYLINDER HEAD + CYLINDER
- Honda Z50RA (86) MOTORCYCLE, JPN, VIN# JH2AB020-GS700001 TO JH2AB020-GS711651 CYLINDER
- Honda Z50RA (85) MOTORCYCLE, JPN, VIN# JH2AB020-FS600001 CYLINDER CYLINDER HEAD
- Honda CT110A (84) TRAIL 110, JPN, VIN# JH2JD010-ES400001 TO JH2JD010-ES407001 CYLINDER HEAD + CYLINDER
- Honda Z50RA (84) MOTORCYCLE, JPN, VIN# JH2AB020-ES500001 TO JH2AB020-ES517905 CYLINDER CYLINDER HEAD
- Honda C70A (83) PASSPORT, JPN, VIN# JH2DA010-DS300004 TO JH2DA010-DS308543 CYLINDER + CYLINDER HEAD
- Honda C70A (82) PASSPORT, JPN, VIN# JH2DA010-CS200006 TO JH2DA010-CS213668 CYLINDER + CYLINDER HEAD
- Honda CB650A (82) MOTORCYCLE, JPN, VIN# JH2RC050-CM300003 CAMSHAFT + VALVE
- Honda CB650A (82) MOTORCYCLE, JPN, VIN# JH2RC050-CM300003 GASKET KIT A
- Honda CB650SCA (82) NIGHTHAWK 650, JPN, VIN# JH2RC080-CM000013 TO JH2RC080-CM019135 CAMSHAFT + VALVE
- Honda CB650SCA (82) NIGHTHAWK 650, JPN, VIN# JH2RC080-CM000013 TO JH2RC080-CM019135 GASKET KIT A
- Honda CT110A (82) TRAIL 110, JPN, VIN# JH2JD010-CS200001 TO JH2JD010-CS206370 CYLINDER HEAD + CYLINDER
- Honda Z50RA (82) MOTORCYCLE, JPN, VIN# JH2AB020-CS300002 TO JH2AB020-CS317543 CYLINDER CYLINDER HEAD
- Honda C70A (81) PASSPORT, JPN, VIN# JH2DA010-BS100003 TO JH2DA010-BS136772 CYLINDER + CYLINDER HEAD
- Honda CB650A (81) MOTORCYCLE, JPN, VIN# JH2RC050-BM200001 TO JH2RC050-BM207746 GASKET KIT A
- Honda CT110A (81) TRAIL 110, JPN, VIN# JH2JD010-BS100002 TO JH2JD010-BS110551 CYLINDER HEAD + CYLINDER
- Honda Z50RA (81) MOTORCYCLE, JPN, VIN# JH2AB020-BS200002 TO JH2AB020-BS211751 CYLINDER CYLINDER HEAD
- Honda C70A (80) PASSPORT, JPN, VIN# DA01-1000014 TO DA01-1012613 CYLINDER + CYLINDER HEAD
- Honda CB650A (80) MOTORCYCLE, JPN, VIN# RC05-2100002 TO RC05-2108005 CAMSHAFT + VALVE
- Honda CB650A (80) MOTORCYCLE, JPN, VIN# RC05-2100002 TO RC05-2108005 GASKET KIT A
- Honda CT110A (80) TRAIL 110, JPN, VIN# JD01-5000001 TO JD01-5009733 CYLINDER HEAD + CYLINDER
- Honda Z50RA (80) MOTORCYCLE, JPN, VIN# AB02-5100007 TO AB02-5110396 CYLINDER CYLINDER HEAD
- Honda CB650A (79) MOTORCYCLE, JPN, VIN# RC03-2002472 CAMSHAFT + VALVE
- Honda CT90A (79) TRAIL 90, JPN, VIN# CT90-5000001 CYLINDER HEAD + CYLINDER
- Honda Z50RA (79) MOTORCYCLE, JPN, VIN# AB02-5000009 TO AB02-5024801 CYLINDER CYLINDER HEAD
- Honda CT90A (78) TRAIL 90, JPN, VIN# CT90-1900001 CYLINDER HEAD + CYLINDER
- Honda Z50AA (78) MINI TRAIL 50, JPN, VIN# Z50A-6300003 CYLINDER + CYLINDER HEAD
- Honda Z50AA (77) MINI TRAIL 50, JPN, VIN# Z50A-6200003 TO Z50A-6219155 CYLINDER + CYLINDER HEAD
Part Details
| Brand | Honda |
| Sku | 91305-028-900 |
| Name | O-RING (9X1.6) (ARAI) This part replaces 91305-028-158. |
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