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Honda OEM Part 91305-KRM-840 O-RING (31.7X2.4)
- Product Code: 91305-KRM-840
$1.34
- 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 (31.7X2.4) (part number 91305-KRM-840) from the Gasket Kit B diagram. It fits Honda CRF150FAC, CRF250RAC, CRF250FA, CRF250FAC, CRF250RXAC, CRF250RWEAC and 3 more built from 2009 to 2026.
Fits these models
- CRF150FA: 2009
- CRF150FAC: 2012–2017
- CRF250RAC: 2018–2026
- CRF250FA: 2019–2025
- CRF250FAC: 2019–2025
- CRF250RXAC: 2019–2026
- XR150LEAC: 2023, 2025
- XR150LE2AC: 2024
- CRF250RWEAC: 2025–2026
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
Email Us
(630) 886-1221Find your ride
Check your current ride below to confirm product compatibility.
Honda
2026
2025
- CRF250FA (25) MOTORCYCLE, BRA, VIN# 9C2ME134-SR400001
- CRF250FAC (25) MOTORCYCLE, BRA, VIN# 9C2ME131-SR100001
- CRF250RAC (25) MOTORCYCLE, JPN, VIN# JH2ME123-SK700001 TO JH2ME123-SK799999
- CRF250RWEAC (25) MOTORCYCLE, JPN, VIN# JH2ME153-SK000001 TO JH2ME153-SK099999
- CRF250RXAC (25) MOTORCYCLE, JPN, VIN# JH2ME12C-SK600001 TO JH2ME12C-SK699999
- XR150LEAC (25) MOTORCYCLE, MEX, VIN# 3H1KD131-SD200001 TO 3H1KD131-SD299999
2024
- CRF250FA (24) MOTORCYCLE, BRA, VIN# 9C2ME134-RR400001 TO 9C2ME134-RR499999
- CRF250FAC (24) MOTORCYCLE, BRA, VIN# 9C2ME131-RR100001 TO 9C2ME131-RR199999
- CRF250RAC (24) MOTORCYCLE, JPN, VIN# JH2ME123-RK600001
- CRF250RXAC (24) MOTORCYCLE, JPN, VIN# JH2ME12C-RK500001
- XR150LE2AC (24) MOTORCYCLE, MEX, VIN# 3H1KD131-RD100001 TO 3H1KD131-RD199999
2023
- CRF250FA (23) MOTORCYCLE, BRA, VIN# 9C2ME134-PR400001 TO 9C2ME134-PR499999
- CRF250FAC (23) MOTORCYCLE, BRA, VIN# 9C2ME131-PR100001 TO 9C2ME131-PR999999
- CRF250RAC (23) MOTORCYCLE, JPN, VIN# JH2ME123-PK500001 TO JH2ME123-PK599999
- CRF250RXAC (23) MOTORCYCLE, JPN, VIN# JH2ME12C-PK400001 TO JH2ME12C-PK499999
- XR150LEAC (23) MOTORCYCLE, MEX, VIN# 3H1KD131-PD000001 TO 3H1KD131-PD099999
2022
- CRF250FA (22) MOTORCYCLE, BRA, VIN# 9C2ME134-NR400001 TO 9C2ME134-NR499999
- CRF250FAC (22) MOTORCYCLE, BRA, VIN# 9C2ME131-NR100001 TO 9C2ME131-NR199999
- CRF250RAC (22) MOTORCYCLE, JPN, VIN# JH2ME123-NK400001 TO JH2ME123-NK499999
- CRF250RXAC (22) MOTORCYCLE, JPN, VIN# JH2ME12C-NK300001 TO JH2ME12C-NK399999
2021
2020
- CRF250FA (20) MOTORCYCLE, BRA, VIN# 9C2ME134-LR400001 TO 9C2ME134-LR499999
- CRF250FAC (20) MOTORCYCLE, BRA, VIN# 9C2ME131-LR100001 TO 9C2ME131-LR199999
- CRF250RAC (20) MOTORCYCLE, JPN, VIN# JH2ME123-LK200001 TO JH2ME123-LK299999
- CRF250RXAC (20) MOTORCYCLE, JPN, VIN# JH2ME12C-LK100001 TO JH2ME12C-LK199999
2019
- CRF250FA (19) MOTORCYCLE, BRA, VIN# 9C2ME134-KR000001 TO 9C2ME134-KR099999
- CRF250FAC (19) MOTORCYCLE, BRA, VIN# 9C2ME131-KR100001 TO 9C2ME131-KR199999
- CRF250RAC (19) MOTORCYCLE, JPN, VIN# JH2ME123-KK100001 TO JH2ME123-KK199999
- CRF250RXAC (19) MOTORCYCLE, JPN, VIN# JH2ME12C-KK000001 TO JH2ME12C-KK099999
- Honda CRF250RAC (26) MOTORCYCLE, JPN, VIN# JH2ME123-TK800001 TO JH2ME123-TK899999 GASKET KIT B
- Honda CRF250RAC (26) MOTORCYCLE, JPN, VIN# JH2ME123-TK800001 TO JH2ME123-TK899999 LEFT CRANKCASE COVER (CRF250R/CRF250RX)
- Honda CRF250RWEAC (26) MOTORCYCLE, JPN, VIN# JH2ME153-TK100001 TO JH2ME153-TK199999 GASKET KIT B
- Honda CRF250RWEAC (26) MOTORCYCLE, JPN, VIN# JH2ME153-TK100001 TO JH2ME153-TK199999 LEFT CRANKCASE COVER (CRF250RWE)
- Honda CRF250RXAC (26) MOTORCYCLE, JPN, VIN# JH2ME12C-TK700001 TO JH2ME12C-TK799999 GASKET KIT B
- Honda CRF250RXAC (26) MOTORCYCLE, JPN, VIN# JH2ME12C-TK700001 TO JH2ME12C-TK799999 LEFT CRANKCASE COVER (CRF250R/CRF250RX)
- Honda CRF250FA (25) MOTORCYCLE, BRA, VIN# 9C2ME134-SR400001 GASKET KIT B
- Honda CRF250FA (25) MOTORCYCLE, BRA, VIN# 9C2ME134-SR400001 LEFT CRANKCASE COVER
- Honda CRF250FAC (25) MOTORCYCLE, BRA, VIN# 9C2ME131-SR100001 GASKET KIT B
- Honda CRF250FAC (25) MOTORCYCLE, BRA, VIN# 9C2ME131-SR100001 LEFT CRANKCASE COVER
- Honda CRF250RAC (25) MOTORCYCLE, JPN, VIN# JH2ME123-SK700001 TO JH2ME123-SK799999 GASKET KIT B
- Honda CRF250RAC (25) MOTORCYCLE, JPN, VIN# JH2ME123-SK700001 TO JH2ME123-SK799999 LEFT CRANKCASE COVER (CRF250R/CRF250RX)
- Honda CRF250RWEAC (25) MOTORCYCLE, JPN, VIN# JH2ME153-SK000001 TO JH2ME153-SK099999 GASKET KIT B
- Honda CRF250RWEAC (25) MOTORCYCLE, JPN, VIN# JH2ME153-SK000001 TO JH2ME153-SK099999 LEFT CRANKCASE COVER (CRF250RWE)
- Honda CRF250RXAC (25) MOTORCYCLE, JPN, VIN# JH2ME12C-SK600001 TO JH2ME12C-SK699999 GASKET KIT B
- Honda CRF250RXAC (25) MOTORCYCLE, JPN, VIN# JH2ME12C-SK600001 TO JH2ME12C-SK699999 LEFT CRANKCASE COVER (CRF250R/CRF250RX)
- Honda XR150LEAC (25) MOTORCYCLE, MEX, VIN# 3H1KD131-SD200001 TO 3H1KD131-SD299999 GASKET KIT B
- Honda XR150LEAC (25) MOTORCYCLE, MEX, VIN# 3H1KD131-SD200001 TO 3H1KD131-SD299999 LEFT CRANKCASE COVER
- Honda CRF250FA (24) MOTORCYCLE, BRA, VIN# 9C2ME134-RR400001 TO 9C2ME134-RR499999 GASKET KIT B
- Honda CRF250FA (24) MOTORCYCLE, BRA, VIN# 9C2ME134-RR400001 TO 9C2ME134-RR499999 LEFT CRANKCASE COVER
- Honda CRF250FAC (24) MOTORCYCLE, BRA, VIN# 9C2ME131-RR100001 TO 9C2ME131-RR199999 GASKET KIT B
- Honda CRF250FAC (24) MOTORCYCLE, BRA, VIN# 9C2ME131-RR100001 TO 9C2ME131-RR199999 LEFT CRANKCASE COVER
- Honda CRF250RAC (24) MOTORCYCLE, JPN, VIN# JH2ME123-RK600001 GASKET KIT B
- Honda CRF250RAC (24) MOTORCYCLE, JPN, VIN# JH2ME123-RK600001 LEFT CRANKCASE COVER
- Honda CRF250RXAC (24) MOTORCYCLE, JPN, VIN# JH2ME12C-RK500001 GASKET KIT B
- Honda CRF250RXAC (24) MOTORCYCLE, JPN, VIN# JH2ME12C-RK500001 LEFT CRANKCASE COVER
- Honda XR150LE2AC (24) MOTORCYCLE, MEX, VIN# 3H1KD131-RD100001 TO 3H1KD131-RD199999 GASKET KIT B
- Honda XR150LE2AC (24) MOTORCYCLE, MEX, VIN# 3H1KD131-RD100001 TO 3H1KD131-RD199999 LEFT CRANKCASE COVER
- Honda CRF250FA (23) MOTORCYCLE, BRA, VIN# 9C2ME134-PR400001 TO 9C2ME134-PR499999 GASKET KIT B
- Honda CRF250FA (23) MOTORCYCLE, BRA, VIN# 9C2ME134-PR400001 TO 9C2ME134-PR499999 LEFT CRANKCASE COVER
- Honda CRF250FAC (23) MOTORCYCLE, BRA, VIN# 9C2ME131-PR100001 TO 9C2ME131-PR999999 GASKET KIT B
- Honda CRF250FAC (23) MOTORCYCLE, BRA, VIN# 9C2ME131-PR100001 TO 9C2ME131-PR999999 LEFT CRANKCASE COVER
- Honda CRF250RAC (23) MOTORCYCLE, JPN, VIN# JH2ME123-PK500001 TO JH2ME123-PK599999 GASKET KIT B
- Honda CRF250RAC (23) MOTORCYCLE, JPN, VIN# JH2ME123-PK500001 TO JH2ME123-PK599999 LEFT CRANKCASE COVER
- Honda CRF250RXAC (23) MOTORCYCLE, JPN, VIN# JH2ME12C-PK400001 TO JH2ME12C-PK499999 GASKET KIT B
- Honda CRF250RXAC (23) MOTORCYCLE, JPN, VIN# JH2ME12C-PK400001 TO JH2ME12C-PK499999 LEFT CRANKCASE COVER
- Honda XR150LEAC (23) MOTORCYCLE, MEX, VIN# 3H1KD131-PD000001 TO 3H1KD131-PD099999 GASKET KIT B
- Honda XR150LEAC (23) MOTORCYCLE, MEX, VIN# 3H1KD131-PD000001 TO 3H1KD131-PD099999 LEFT CRANKCASE COVER
- Honda CRF250FA (22) MOTORCYCLE, BRA, VIN# 9C2ME134-NR400001 TO 9C2ME134-NR499999 GASKET KIT B
- Honda CRF250FA (22) MOTORCYCLE, BRA, VIN# 9C2ME134-NR400001 TO 9C2ME134-NR499999 LEFT CRANKCASE COVER
- Honda CRF250FAC (22) MOTORCYCLE, BRA, VIN# 9C2ME131-NR100001 TO 9C2ME131-NR199999 GASKET KIT B
- Honda CRF250FAC (22) MOTORCYCLE, BRA, VIN# 9C2ME131-NR100001 TO 9C2ME131-NR199999 LEFT CRANKCASE COVER
- Honda CRF250RAC (22) MOTORCYCLE, JPN, VIN# JH2ME123-NK400001 TO JH2ME123-NK499999 GASKET KIT B
- Honda CRF250RAC (22) MOTORCYCLE, JPN, VIN# JH2ME123-NK400001 TO JH2ME123-NK499999 LEFT CRANKCASE COVER
- Honda CRF250RXAC (22) MOTORCYCLE, JPN, VIN# JH2ME12C-NK300001 TO JH2ME12C-NK399999 GASKET KIT B
- Honda CRF250RXAC (22) MOTORCYCLE, JPN, VIN# JH2ME12C-NK300001 TO JH2ME12C-NK399999 LEFT CRANKCASE COVER
- Honda CRF250FA (21) MOTORCYCLE, BRA, VIN# 9C2ME134-MR400001 TO 9C2ME134-MR499999 GASKET KIT B
- Honda CRF250FA (21) MOTORCYCLE, BRA, VIN# 9C2ME134-MR400001 TO 9C2ME134-MR499999 LEFT CRANKCASE COVER
- Honda CRF250FAC (21) MOTORCYCLE, BRA, VIN# 9C2ME131-MR100001 TO 9C2ME131-MR199999 GASKET KIT B
- Honda CRF250FAC (21) MOTORCYCLE, BRA, VIN# 9C2ME131-MR100001 TO 9C2ME131-MR199999 LEFT CRANKCASE COVER
- Honda CRF250RAC (21) MOTORCYCLE, JPN, VIN# JH2ME123-MK300001 GASKET KIT B
- Honda CRF250RAC (21) MOTORCYCLE, JPN, VIN# JH2ME123-MK300001 LEFT CRANKCASE COVER
- Honda CRF250RXAC (21) MOTORCYCLE, JPN, VIN# JH2ME12C-MK200001 GASKET KIT B
- Honda CRF250RXAC (21) MOTORCYCLE, JPN, VIN# JH2ME12C-MK200001 LEFT CRANKCASE COVER
- Honda CRF250FA (20) MOTORCYCLE, BRA, VIN# 9C2ME134-LR400001 TO 9C2ME134-LR499999 GASKET KIT B
- Honda CRF250FA (20) MOTORCYCLE, BRA, VIN# 9C2ME134-LR400001 TO 9C2ME134-LR499999 LEFT CRANKCASE COVER
- Honda CRF250FAC (20) MOTORCYCLE, BRA, VIN# 9C2ME131-LR100001 TO 9C2ME131-LR199999 GASKET KIT B
- Honda CRF250FAC (20) MOTORCYCLE, BRA, VIN# 9C2ME131-LR100001 TO 9C2ME131-LR199999 LEFT CRANKCASE COVER
- Honda CRF250RAC (20) MOTORCYCLE, JPN, VIN# JH2ME123-LK200001 TO JH2ME123-LK299999 GASKET KIT B
- Honda CRF250RAC (20) MOTORCYCLE, JPN, VIN# JH2ME123-LK200001 TO JH2ME123-LK299999 LEFT CRANKCASE COVER
- Honda CRF250RXAC (20) MOTORCYCLE, JPN, VIN# JH2ME12C-LK100001 TO JH2ME12C-LK199999 GASKET KIT B
- Honda CRF250RXAC (20) MOTORCYCLE, JPN, VIN# JH2ME12C-LK100001 TO JH2ME12C-LK199999 LEFT CRANKCASE COVER
- Honda CRF250FA (19) MOTORCYCLE, BRA, VIN# 9C2ME134-KR000001 TO 9C2ME134-KR099999 GASKET KIT B
- Honda CRF250FA (19) MOTORCYCLE, BRA, VIN# 9C2ME134-KR000001 TO 9C2ME134-KR099999 LEFT CRANKCASE COVER
- Honda CRF250FAC (19) MOTORCYCLE, BRA, VIN# 9C2ME131-KR100001 TO 9C2ME131-KR199999 GASKET KIT B
- Honda CRF250FAC (19) MOTORCYCLE, BRA, VIN# 9C2ME131-KR100001 TO 9C2ME131-KR199999 LEFT CRANKCASE COVER
- Honda CRF250RAC (19) MOTORCYCLE, JPN, VIN# JH2ME123-KK100001 TO JH2ME123-KK199999 GASKET KIT B
- Honda CRF250RAC (19) MOTORCYCLE, JPN, VIN# JH2ME123-KK100001 TO JH2ME123-KK199999 LEFT CRANKCASE COVER
- Honda CRF250RXAC (19) MOTORCYCLE, JPN, VIN# JH2ME12C-KK000001 TO JH2ME12C-KK099999 GASKET KIT B
- Honda CRF250RXAC (19) MOTORCYCLE, JPN, VIN# JH2ME12C-KK000001 TO JH2ME12C-KK099999 LEFT CRANKCASE COVER
- Honda CRF250RAC (18) MOTORCYCLE, JPN, VIN# JH2ME123-JK000001 TO JH2ME123-JK099999 GASKET KIT B
- Honda CRF250RAC (18) MOTORCYCLE, JPN, VIN# JH2ME123-JK000001 TO JH2ME123-JK099999 LEFT CRANKCASE COVER
- Honda CRF150FAC (17) MOTORCYCLE, BRA, VIN# 9C2KE021-HR100001 GASKET KIT B
- Honda CRF150FAC (17) MOTORCYCLE, BRA, VIN# 9C2KE021-HR100001 LEFT CRANKCASE COVER
- Honda CRF150FAC (16) MOTORCYCLE, BRA, VIN# 9C2KE021-GR100001 TO 9C2KE021-GR199999 GASKET KIT B
- Honda CRF150FAC (16) MOTORCYCLE, BRA, VIN# 9C2KE021-GR100001 TO 9C2KE021-GR199999 LEFT CRANKCASE COVER
- Honda CRF150FAC (15) MOTORCYCLE, BRA, VIN# 9C2KE021-FR100001 TO 9C2KE021-FR199999 GASKET KIT B
- Honda CRF150FAC (15) MOTORCYCLE, BRA, VIN# 9C2KE021-FR100001 TO 9C2KE021-FR199999 LEFT CRANKCASE COVER
- Honda CRF150FAC (14) MOTORCYCLE, BRA, VIN# 9C2KE021-ER100001 TO 9C2KE021-ER199999 GASKET KIT B
- Honda CRF150FAC (14) MOTORCYCLE, BRA, VIN# 9C2KE021-ER100001 TO 9C2KE021-ER199999 LEFT CRANKCASE COVER
- Honda CRF150FAC (13) MOTORCYCLE, BRA, VIN# 9C2KE021-DR100001 TO 9C2KE021-DR199999 GASKET KIT B
- Honda CRF150FAC (13) MOTORCYCLE, BRA, VIN# 9C2KE021-DR100001 TO 9C2KE021-DR199999 LEFT CRANKCASE COVER
- Honda CRF150FAC (12) MOTORCYCLE, BRA, VIN# 9C2KE021-CR100001 TO 9C2KE021-CR199999 GASKET KIT B
- Honda CRF150FAC (12) MOTORCYCLE, BRA, VIN# 9C2KE021-CR100001 TO 9C2KE021-CR199999 LEFT CRANKCASE COVER
- Honda CRF150FA (09) MOTORCYCLE, BRA, VIN# 9C2KE020-9R000001 TO 9C2KE020-9R199999 GASKET KIT B
- Honda CRF150FA (09) MOTORCYCLE, BRA, VIN# 9C2KE020-9R000001 TO 9C2KE020-9R199999 LEFT CRANKCASE COVER (2)
Part Details
| Brand | Honda |
| Sku | 91305-KRM-840 |
| Name | O-RING (31.7X2.4) |
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