Athena Engine parts Yamaha WRF250/YZF250

Replacement piston 9466DA, or DB. Whatever the level of preparation of your machine, you will find the cylinder kit ATHENA that suits you. With or without an increase in cylinder capacity, these kits are delivered complete and will bring you performance and reliability. Below are some of the technical solutions adopted by these high-quality products:

• Aluminium cylinder, treated with nickel-carbide
• Special design increasing the volume of the cooling liquid
• High-performance exhaust valves
• Bronze cylinder head dome
• Forged piston, skirts coated with a molybdenum disulphide treatment
• Spare parts: Piston 9466DB/DA - Rings: 276275 - Top-end gaskets: 604290

Delivered complete, with piston, rings, circlips, pin, gasket set and, in some cases, the cylinder head and exhaust valves. Pistons, rings and gaskets are also available as spare parts.

Specifications:

• weight (g): 1560
• width (mm): 210
• height (mm): 160
• length (mm): 320
• volume (cm³): 10752