O‑Seal Powervalve Adjuster (DA31153) KTM 65 SX 2009‑2025

The VHM SK31153A O‑seal Power valve Adjuster kit is a high‑precision sealing component engineered for the KTM 65 SX (model years 2009 through 2025) when using the VHM DA31153 power valve adjuster. This kit includes durable O‑ring seals, designed to maintain optimal sealing within the power valve adjuster assembly, preventing leaks, preserving proper power valve function and ensuring consistent engine performance in demanding motocross conditions. Installation is straightforward, typically during power valve adjuster servicing or upgrade, and the kit is matched to VHM’s adjuster specifications for a reliable fit. With the broad year‑range coverage, it is ideal for racing machines, rebuilds or performance upgrades — helping to maintain peak throttle response and smooth engine behavior.

• Complete O‑seal kit designed specifically for use with the VHM DA31153 power valve adjuster for the KTM 65 SX (2009‑2025)

• High‑quality seals built to withstand harsh motocross and off‑road conditions

• Restores perfect sealing of the power valve adjuster mechanism, preventing blow‑by and timing inconsistencies

• Compatible with OEM and VHM adjuster bases for flexible service and upgrade options 

• Broad model year fitment (2009‑2025) ensures availability for current and future rebuilds