CROSS REFERENCE PART NUMBERS:
• KTM 45130007000B
• Pro-X 01.6012.B
ITEM SPECIFICATIONS:
• Component: Piston Kit (Grade B)
• Piston Size: 39.47mm (Grade B Standard)
• Bore x Stroke: 39.5mm x 40.0mm
• Displacement: 49cc (Single Cylinder)
• Kit Contents: Piston, Ring, Wrist Pin, Circlips
• Material: Cast Aluminum Alloy Piston
• Engine: 2-Stroke Single Cylinder
• Model Years: 2001-2008 (KTM 50cc Off-Road)
COMPATIBLE MODELS:
KTM 50cc Motorcycles:
• 50 SX (2007-2008), 50 SX Junior (2007-2008)
• 50 SX Mini (2008)
• 50 Pro Jr. (2001-2007), 50 Pro Sr. (2001-2007)
• 50 Jr. Adventure (2002)
• 50 Mini Adventure (2002-2008)
• 50 Sr. Adventure (2002-2008)
PRODUCT DETAILS:
This Grade B standard bore piston kit is designed for the 49cc 2-stroke single cylinder engine used in KTM 50cc off-road motorcycles from 2001 through 2008. The 39.47mm Grade B piston provides precise piston-to-wall clearance for optimal ring seal and compression in factory-spec cylinders for the KTM 50cc engine. Each kit includes cast aluminum alloy piston, precision-fitted piston ring, hardened wrist pin, and retaining circlips for a complete top-end rebuild of the 49cc 2-stroke single cylinder engine. Manufactured using premium cast aluminum alloy and precision machined on CNC equipment for consistent dimensions and reliable performance in off-road applications. The KTM 50cc is a 2-stroke single cylinder engine with 39.5mm bore and 40.0mm stroke used across KTM 50 SX, Pro Jr., Pro Sr., and Adventure models.
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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