ATHENA Big Bore Cylinder Kit P400485100034 182cc for Yamaha WR
for YAMAHA WR R 4T, WR X 4T, YZF R
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The Big Bore cylinder kit of 182cc is specifically designed for the Yamaha WR, offering a significant increase in your engine's performance. Made from high-quality aluminum alloys, this cylinder is the result of over ten years of innovation and technological development. Thanks to an advanced manufacturing process, the cylinders are cast in steel molds and machined with CNC machines, ensuring micron tolerances at every stage.
The features of the cylinder include optimized water channels for enhanced cooling capacity and sleeves made from a special composite of silicone carbide and nickel for exceptional durability. Each cylinder is tested at controlled internal temperatures, ensuring maximum precision in the holes and surfaces, which are perfectly flat for a flawless fit.
With a bore of 63 mm and a stroke of 58.6 mm, the cylinder reaches a displacement of 182.2 cc and a compression ratio of 11.4:1, delivering a maximum power of 17.1 HP at 8,800 RPM. This kit is the ideal choice for those looking to improve the performance of their Yamaha WR, combining reliability and power in a single product.
- Bore: 63 mm
- Stroke: 58.6 mm
- Displacement: 182.2 cc
- Compression ratio: 11.4:1
- Maximum power: 17.1 HP at 8,800 RPM
- Material: high-quality aluminum alloys
- Optimized water channels for cooling
- Sleeves in silicone carbide and nickel
- Tested at controlled internal temperatures
- Guaranteed micron tolerances
