OEM Grade Piston Kit 94.95mm Compatible with KTM 520 SX 2000-2002 525 SX 2003-2006 EXC 525 2003-2006 Polaris Outlaw 525 2007-2010 510cc 4-Stroke SOHC Grade B 59030007000II

APPLICATIONS:
KTM 520/525cc 4-Stroke Motorcycles:
• 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 525cc ATVs:
• Outlaw 525 (2007-2010)
• Outlaw IRS 525 (2008-2011)
• Engine: 510.4cc Liquid-Cooled 4-Stroke SOHC Single Cylinder
• Bore x Stroke: 95.0mm x 72.0mm
• Component: Piston Kit (Grade B, 94.95mm)

REPLACES PART NUMBERS:
• KTM 59030007000II
• Polaris 2203407
• Pro-X 01.6521.B

SPECIFICATIONS:
• Type: 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 Includes: Piston, Rings, Wrist Pin, Circlips
• Material: Cast Aluminum Alloy Piston
• Engine: Liquid-Cooled 4-Stroke SOHC Single Cylinder
• Fitment: Direct Drop-In Replacement

PRODUCT DETAILS:
This Grade B standard bore piston kit is designed for the 510.4cc liquid-cooled 4-stroke SOHC single cylinder engine used in KTM 520/525cc motorcycles and Polaris 525cc ATVs from 2000 through 2011. The 94.95mm Grade B piston provides precise piston-to-wall clearance for optimal ring seal and compression in factory-spec cylinders for the KTM/Polaris liquid-cooled 4-stroke SOHC engine. Each kit includes 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 SOHC engine. Manufactured using premium cast aluminum alloy and precision machined on CNC equipment for consistent dimensions and reliable performance in off-road motocross, enduro, and ATV applications. Fits KTM 520/525 SX, EXC, SMR, XC ATV, and Polaris Outlaw 525 and Outlaw IRS 525 using the shared 510.4cc liquid-cooled 4-stroke SOHC engine.

Verify your part number before purchasing to confirm fitment.