ATHENA Big Bore Cylinder Kit P400270100007 290cc for KTM
for KTM EXC F 4T, SX F 4T, XCF 4T, XCF W 4T
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
The Big Bore 290cc cylinder kit is specifically designed to optimize the performance of Ktm motorcycles, offering a significant increase in power and torque. This engine unit is the result of over a decade of innovation and research, made with cutting-edge technologies that ensure excellent reliability and durability.
Made from high-quality aluminum alloy, the cylinder is coated with a special nickel-silicon alloy, which enhances its wear resistance and longevity. Each cylinder undergoes rigorous quality control, ensuring that it meets the highest performance standards. Thanks to a flexible production department, it is possible to create custom batches and prototypes, thus responding to the specific needs of each customer.
The technical features of this kit include:
- Stroke: 80 mm
- Stroke: 55 mm
- Total displacement: 276.46 cc
- Compression ratio: 13.5:1
- Maximum power: 34.8 HP at 10,100 rpm
- Torque: 27.6 Nm at 7,800 rpm
- Redesigned water channels to increase cooling capacity
- Cylinder sleeves made from a special blend of silicon carbide and nickel
