ATHENA P400485100032 Thermal unit cylinder kit
for YAMAHA WR R 4T, WR X 4T, WRZ
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €785.90 Regular Price €924.60The ATHENA Big Bore 290CC Thermal Group is designed for motorcyclists seeking high performance and an exciting riding experience. With a bore of 83 mm, this component significantly increases the displacement to 290 cc, allowing for greater power and a quicker throttle response. The compression ratio of 12.7:1 optimizes engine efficiency, ensuring more complete combustion and increased power delivery.
- Bore: 83 mm
- Displacement: 290 cc
- Compression ratio: 12.7:1
- Included motorcycle ECU (USA version)
- Engine efficiency optimization
- Increased power delivery
- Quicker throttle response
Additionally, the included motorcycle ECU in the USA version ensures perfect integration with the engine management system, allowing you to fully exploit the potential of the thermal group. This kit is ideal for those looking to enhance their motorcycle and improve overall performance, making every ride an unforgettable adventure. With the ATHENA Thermal Group, every curve and straightaway will transform into an unprecedented riding experience.
Race Use Only Product - Not intended for road use
| Bore | 83 |
|---|---|
| Displacement | 290 |
| Compression ratio | 12.7:1 |


