CROSS REFERENCE PART NUMBERS:
• Yamaha 2GU-11631-00-94
• Pro-X 01.2020.250
ITEM SPECIFICATIONS:
• Component: Piston Kit (2.5mm Oversize, Per Cylinder)
• Piston Size: 66.5mm (2.5mm Oversize)
• Bore x Stroke: 64.0mm x 54.0mm
• Displacement: 347cc (Twin-Cylinder)
• Compression Ratio: 6.5:1
• Kit Contents: Piston, Ring, Wrist Pin, Circlips (Per Cylinder)
• Material: Cast Aluminum Alloy Piston
• Engine: 347cc Liquid-Cooled 2-Stroke Twin-Cylinder
• Model Years: 1987-2006
COMPATIBLE MODELS:
Yamaha YFZ350 Banshee 350 Sport ATV:
• Banshee 350 (1987-2006)
• Banshee 350 LE (2003-2004)
• Banshee 350 SE (2005-2006)
PRODUCT DETAILS:
Direct replacement piston kit engineered for the Yamaha YFZ350 Banshee 350 347cc liquid-cooled 2-stroke twin-cylinder sport ATV from 1987 through 2006 model years. The 2.5mm oversize piston at 66.5mm provides factory-specified piston-to-wall clearance within the 66.5mm 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 ring, hardened wrist pin, and retaining circlips for a comprehensive top-end rebuild on one cylinder of the Yamaha Banshee 350. Precision machined on CNC equipment using low-expansion piston alloy for reliable sealing and consistent power delivery in sport ATV and off-road riding conditions. The Banshee 350 features Yamaha's legendary liquid-cooled 2-stroke twin-cylinder engine platform providing exhilarating power for trail and dune riding. This piston kit ensures proper fit and dependable performance for all 1987-2006 Yamaha Banshee 350 including LE and SE editions.
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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