New Piston Kit Size B Compatible With Honda Cr85r 85 2003-2007 Cr85rb Expert 85 2003-2007 85Cc

CROSS REFERENCE PART NUMBERS:
• Honda 13120-GBF-B00
• Honda 13120-GBF-B40
• Pro-X 01.1113.B

ITEM SPECIFICATIONS:
• Component: Piston Kit Size B (Standard Bore)
• Piston Size: 47.45mm (Size B for Standard 47.5mm Bore)
• Bore x Stroke: 47.5mm x 47.8mm
• Displacement: 84.7cc
• Compression Ratio: 8.4:1
• Kit Contents: Piston, Rings, Wrist Pin, Circlips
• Material: Cast Aluminum Alloy Piston
• Engine: 84.7cc Liquid-Cooled Single-Cylinder 2-Stroke Reed Valve
• Model Years: 2003-2007

COMPATIBLE MODELS:
Honda CR85R Motocross Motorcycle:
• CR85R 85 (2003-2007)
Honda CR85RB Expert Motocross Motorcycle:
• CR85RB Expert 85 (2003-2007)

PRODUCT DETAILS:
Direct replacement piston kit engineered for Honda 84.7cc liquid-cooled single-cylinder 2-stroke reed valve motocross motorcycles including the CR85R 85 and CR85RB Expert 85 from 2003 through 2007 model years. The Size B piston at 47.45mm provides factory-specified piston-to-wall clearance within the standard 47.5mm bore for optimal ring seal, compression, and 2-stroke performance across the full RPM range. Kit comes complete with cast aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips for a comprehensive top-end rebuild on Honda CR85 motocross machines. Precision machined on state-of-the-art CNC equipment using low-expansion piston alloy for reliable sealing and consistent power delivery in competitive motocross conditions. This precision piston kit ensures proper fit and dependable performance across all compatible Honda CR85R and CR85RB Expert motocross models from 2003 through 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