CROSS REFERENCE PART NUMBERS:
• Honda 13101-MAC-680
• Honda 13101-ML3-000
• Honda 13101-ML3-680
• Honda 13101-ML3-681
• Pro-X 01.1408.100
ITEM SPECIFICATIONS:
• Component: Piston Kit (1.0mm Oversize)
• Piston Size: 89.5mm (1.0mm Oversize)
• Bore x Stroke: 89.0mm x 79.0mm
• Displacement: 491cc
• Compression Ratio: 6.8:1
• Kit Contents: Piston, Rings, Wrist Pin, Circlips
• Material: Cast Aluminum Alloy Piston
• Engine: 491cc Liquid-Cooled Single-Cylinder 2-Stroke Reed Valve
• Model Years: 1984-2001
COMPATIBLE MODELS:
Honda CR500R Motocross Motorcycle:
• CR500R (1984-2001)
PRODUCT DETAILS:
Direct replacement piston kit engineered for the Honda CR500R 491cc liquid-cooled single-cylinder 2-stroke motocross motorcycle from 1984 through 2001 model years. The 1.0mm oversize piston at 89mm provides proper piston-to-wall clearance within the 90mm overbored cylinder for optimal ring seal 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 the Honda CR500R. Precision machined on CNC equipment using low-expansion piston alloy for reliable sealing and consistent power delivery in competitive motocross and off-road conditions. The CR500R features Honda's legendary 491cc 2-stroke engine platform with 89.0mm bore and 79.0mm stroke delivering unmatched power in the open class motocross category. This piston kit ensures proper fit and dependable performance for all 1984-2001 Honda CR500R motocross motorcycles.
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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