04-07 Honda CRF250R 250X 78mm Wiseco 12.9:1 Pump Gas Piston Top End Cylinder Kit
A-CRF250R-0409-78-CG / 4852M07800, 10001,A-CRF250R-0409-78-CG,P400210100008,P400210100009,P400210160006,12100-KRN-670, 4829M07800, 4852M07800, M2042C, C7185, 71014-4, 14401-KRN-671, HC92RH2015104,, VTKTC22983A, 10001-K01, HC92RH2015104, 31.1335, CC001, 06113-KRN-700, 06113-KRN-710, 06113-KSC-700, 12100-KRN-672, 12100-KRN-730, 12100-KRN-731, 12100-KRN-732, 12191-KRN-671, 12191-KRN-731, 12251-KRN-671, 12251-KRN-731, 13011-KRN-670, 13011-KRN-850, 13101-KRN-670, 13101-KRN-850, 13111-KRN-670, 13111-KRN-850, 13115-KM7-700,S4F07800002A,S4F07800002B,S41316099,S4F07800002
FITS ALL HONDA '04-07 CRF250R and '04-17 CRF250X MODELS AND YEARS!
Our focus has always been on offering cylinder kits at a competitive price, without the premium costs associated with Athena products.
We stand behind our rebuild kits and guarantee the same performance, if not better, for a much lower price!
Kit Includes:
BPRATV 78mm Stock Bore Nikasil Cylinder (1 Year Warranty)
Wiseco 12.9:1 78mm Stock Bore Forged Piston Kit (Includes Piston, OEM Spec Rings, Wrist Pin, and Circlips)
Perfect For Pump Gas
*In rare cases, you may receive a CP Carrillo, JE, or Wossner piston if the Wiseco piston is backordered or unavailable.*
*You will always be contacted for approval beforehand.*
Cometic Top End Gasket Kit with MLS Head Gasket
Kibblewhite Hi-Temp RED Viton Valve Stem Seals - INSIST ON THE RED ONES!
1 year warranty for your peace of mind*
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Complete Your Build
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Professional Installation Required
Professional installation by a qualified technician is recommended for best results.
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Notice Regarding Photos: Product photos used in our listings are for example only to show item quality, components, and visual reference. You will receive the correct quantity, size, and fitment for the specific kit listed. Exact brands, finishes, packaging, or small components may vary when equivalent-quality parts are used. Please read the full product description for exact details before purchasing.
Bearing Notice: In some cases, you may receive sealed bearings. If your application requires an open bearing, the seals can be removed when appropriate for the application.
Emissions & Race Use Only: Some products may be exempt from emission standards and requirements under 40 C.F.R. § 1051.620 and/or applicable California law. Certain parts are sold only for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing. Installation may void the vehicle manufacturer's warranty and/or may be illegal in some locations. Buyer is responsible for confirming legal use in their application and location.
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Returns: Returns are accepted within 30 days for eligible items that are 100% complete, brand new, unused, uninstalled, and in original packaging. Items that have been installed, prepped, lubricated, sealed, modified, or used are not eligible. For warranty consideration, parts must be sent back for physical inspection. We do not warranty based on photos, emails, or third-party assessments.
Specialty Warranties: Certain specialty items, such as Cub cylinders or titanium fasteners, may have separate warranty terms. Any warranty does not cover improper tuning, installation, maintenance, or misuse.
Interchangeable Parts: Some kits may include interchangeable components or equivalent-quality substitutions to prevent backorder delays. Prices, included items, and listings are subject to change without notice.
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