How To Rebuild the Cylinder Head on a Honda CRF450R/RX

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Blown head gasket or full top end rebuild? Don’t let engine maintenance slow you down! Learn exactly how simple it is to rebuild the cylinder head on your 2025 Honda CRF450R/RX and restore peak performance to your dirt bike. This essential guide walks you through the process (similar for 2017+ CRF450 models) to keep your engine running strong. Remember to always check your specific service manual for precise procedures and specs!

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0:00 – Intro
1:10 – Tools & Parts
2:50 – Solvent Test
3:11 – Disassembly
4:31 – Cleaning Parts
4:58 – Inspecting Parts
17:09 – Assembly
21:39 – Outro