CROSS REFERENCE PART NUMBERS:
• KTM 59030007000II
• Polaris 2203407
• Pro-X 01.6521.B
ITEM SPECIFICATIONS:
• Component: Piston Kit (Grade B)
• Piston Size: 94.95mm (Grade B Standard)
• Bore x Stroke: 95.0mm x 72.0mm
• Displacement: 510.4cc (Single Cylinder)
• Kit Contents: Piston, Rings, Wrist Pin, Circlips
• Material: Cast Aluminum Alloy Piston
• Engine: Liquid-Cooled 4-Stroke SOHC Single Cylinder
• Model Years: 2000-2011 (KTM 520/525 / Polaris Outlaw 525)
COMPATIBLE MODELS:
KTM: 520 SX (2000-2002), EXC 520 (2000-2002), 525 SX (2003-2006), EXC 525 (2003-2006), SMR 525 (2004-2005), XC ATV 525 (2008-2009)
Polaris: Outlaw 525 (2007-2010), Outlaw IRS 525 (2008-2011)
PRODUCT DETAILS:
Direct replacement Grade B piston kit engineered for the 510.4cc liquid-cooled 4-stroke SOHC single cylinder engine shared across KTM 520/525cc motorcycles and Polaris 525cc ATV platforms from 2000 through 2011. The 94.95mm piston delivers factory-spec clearance for reliable ring seal and consistent 4-stroke performance in standard bore cylinders for the KTM/Polaris liquid-cooled SOHC engine. Kit comes complete with cast aluminum alloy piston, precision-fitted piston rings, hardened wrist pin, and retaining circlips for a complete top-end rebuild of the 510.4cc 4-stroke engine. Precision machined on CNC equipment using premium cast aluminum alloy for reliable sealing and power delivery in off-road motocross, enduro, and ATV racing applications. Replaces KTM 59030007000II and Polaris 2203407 piston part numbers for the 510.4cc liquid-cooled 4-stroke SOHC engine used in KTM and Polaris off-road vehicles.
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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