OEM PART NUMBERS:
• Honda: 91008-KAE-731 / 91008KAE731 (Bearing Ball #63/28-CS30 Koyo — Crank Main, qty 2 per kit, both LH/MAG and RH/PTO sides)
• Honda: 91003-KA4-771 / 91003KA4771 (superseded by 91008-KAE-731)
• Honda: 91003-KAE-731 / 91003KAE731 (variant cross-reference)
• Honda: 91205-KZ3-861 / 91205KZ3861 (Crank Oil Seal LH/MAG — 20x37x7mm)
• Honda: Crank Oil Seal RH/PTO (matched seal included in kit)
SPECIFICATIONS:
• Type: Crankshaft Main Bearing and Oil Seal Kit
• Kit Contents: 2 Main Bearings + 2 Crankshaft Oil Seals
• Main Bearings: Koyo / NTN / SKF Radial Ball Bearing #63/28-CS30 Series (28mm bore x 68mm OD x 18mm width)
• Bearing Brand Source: Koyo factory original (per Honda OEM spec)
• Oil Seal Material: Nitrile (NBR) with Sealing Lip
• Engine: 249cc Liquid-Cooled 2-Stroke Single-Cylinder Reed-Valve Motocross
• Engine Code: KAE / KZ3 Generations
• Power Valve: Honda Power Port (HPP) / RC Valve System
• ProX Cross-Reference: 23.6328C3 (#6328 series with C3 clearance)
• Condition: New
APPLICATIONS:
• Honda CR250R 249cc Liquid-Cooled 2-Stroke Motocross (1992-2007)
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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