Wiseco W6633 Top End Gasket Kit for KTM 125/144/150 SX (2007-2011)

Keep your KTM’s top end sealed under aggressive riding with the Wiseco W6633 Top End Gasket Kit, engineered specifically for KTM 125, 144 and 150 SX models built from 2007 through 2011. This kit provides all essential gaskets for a complete top‑end rebuild, including the cylinder head gasket, base gasket, and exhaust gasket, helping restore proper compression and preventing leaks where heat and pressure are highest. The system is designed to align with OEM specifications, offering a reliable seal under demanding riding conditions.

• Includes head gasket, base gasket, and exhaust gasket
• Wiseco part number W6633
• Direct fit for KTM 125 SX, 144 SX, and 150 SX (model years 2007–2011)

Wiseco top‑end gasket kits are built to endure the heat, pressure, and wear of high‑rev operation, delivering durability and consistent sealing when you’re rebuilding or refreshing the engine. Packaged in Wiseco branding as shown, this kit is a trusted choice for both professional mechanics and experienced DIY enthusiasts.

Top End Gasket Kit

Includes head, base and exhaust gasket

The Wiseco Gasket Kit Part W6633 is designed specifically for KTM 125, 144, and 150 SX models manufactured between 2007 and 2011. This comprehensive gasket kit includes all necessary components to ensure a secure and reliable seal during engine repairs or rebuilds. Crafted with precision, it helps prevent leaks and maintain optimal engine performance over time. The kit's high-quality materials resist heat and pressure, providing durability and long-lasting performance in demanding riding conditions.

Installation of this gasket kit is straightforward, making it suitable for professional mechanics and experienced enthusiasts alike. Ensuring proper sealing in critical engine areas, the Wiseco W6633 gasket kit contributes to the overall longevity and efficiency of your motorcycle. Whether you're performing routine maintenance or a full engine rebuild, this gasket kit offers an excellent combination of quality and value to keep your KTM running smoothly. Trust Wiseco for dependable parts designed to meet or exceed OEM specifications, delivering peace of mind on every ride.

Features:

• Designed specifically for KTM 125/144/150 SX models from 2007 to 2011

• Includes all necessary gaskets for complete engine sealing

• High-quality materials resist heat, pressure, and wear

• Easy to install for both professionals and experienced DIY enthusiasts

• Durable construction ensures long-lasting performance and reliability