Vertex Top End Gasket Set - KTM 450 SX-F FACTORY EDITION 15, SX-F 450 16, XC-F 450 16

The Vertex Top End Gasket Set provides the sealing components required for a top end rebuild on the KTM 450 SX-F Factory Edition (2015), KTM SX-F 450 (2016), and KTM XC-F 450 (2016). Vertex is a specialist manufacturer of pistons, gaskets, and engine sealing components for powersports, producing parts engineered to OEM specifications.

This kit suits experienced home mechanics and workshop technicians undertaking scheduled engine maintenance or performance rebuilds on these specific KTM motocross and off-road competition models.

• Application-specific fitment for KTM 450 SX-F Factory Edition 2015, SX-F 450 2016, and XC-F 450 2016
• Manufactured by Vertex, a specialist powersports engine components brand
• Provides the sealing components required for a complete top end rebuild
• Engineered to OEM specifications for reliable sealing performance

Ensure the engine is completely cool and the fuel system depressurised before beginning any top end disassembly.
Clean all mating surfaces thoroughly before fitting new gaskets; remove all traces of old gasket material without scoring or gouging aluminium surfaces.
Do not reuse gaskets or seals from this kit once they have been compressed — replace the full set each time the top end is opened.
Apply manufacturer-recommended assembly lubricant or clean engine oil to o-rings and seals prior to installation to prevent dry-assembly damage.
Torque all fasteners to the engine manufacturer's specified values using a calibrated torque wrench; refer to the KTM service manual for model-specific torque sequences and clearance specifications.
After reassembly, perform a cold leak check before starting the engine, then run a short heat cycle and inspect all joints for seepage.
Change the engine oil and filter after the first run following a top end rebuild to flush any assembly debris from the lubrication system.
Store unused gasket sets flat, away from heat, UV light, and petroleum-based chemicals to preserve seal integrity.