Vhm Cyl. Head Yamaha Yz85 `02-18

Key Features ✔ Compatible with Yamaha YZ85 (2002–2018) and YZ80 (1999–2001) ✔ Interchangeable combustion chamber for performance customization ✔ Improved heat dissipation through optimized water ducts ✔ High-quality alloy construction with O-ring for reliable sealing Product Description The VHM AA33041 cylinder head is designed to enhance the performance of Yamaha YZ85 (2002–2018) and YZ80 (1999–2001) engines. Made from high-quality alloy, it features an interchangeable combustion chamber that allows riders to tailor engine characteristics to their specific needs. The optimized water ducts ensure better heat dissipation, reducing the risk of detonation and maintaining consistent performance throughout the race. The head comes with one O-ring for reliable sealing. Inserts must be ordered separately: AE32059-K (standard, 8.40cc), AE32059-H (8.20cc), AE32059-L (8.60cc), AE32059-A (blind insert for custom machining), and AE32059-X (custom insert made to customer specifications). Technical Specifications - Product code: AA33041 - Compatibility: Yamaha YZ85 (2002–2018), YZ80 (1999–2001) - Material: High-quality alloy - Color: Gold anodized - Interchangeable combustion chamber - Includes: 1 cylinder head, 1 O-ring - Compatible inserts (sold separately):   - AE32059-K (8.40cc, standard)   - AE32059-H (8.20cc)   - AE32059-L (8.60cc)   - AE32059-A (blind insert for custom machining)   - AE32059-X (custom insert made to customer specifications)