Big Bore Cylinder Kit Ø 67 mm, 240 cc
Sensitive increase in performance without compromising engine reliability
No crankcase machining needed
Cylinder made of a special light aluminum alloy with Cast Iron Cylinder Liner
Race Use Only Product - Please check details on the "Race use only" footer's section
WARNING: the cylinder head and base gaskets contained in the kit are specifically developed for Athena cylinders kits. Whenever the cylinder kit is disassembled, replace the gaskets with the specific Athena spare gasket kit: DO NOT use OE replacement gaskets.
Description
Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance. All the cylinders are entirely engineered in Italy by Athena’s R&D Department which has a strong internal know-how and cutting-edge tools to design and test each piece.
Athena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.
Athena’s Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.
The kit includes the high-quality aluminum alloy cylinder with cast iron cylinder liner with increased bore, the complete piston with the piston pin and rings, and all the necessary gaskets.
All the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.
This cylinder kit can be installed without making any changes to the engine crankcase.
Technical features
Bore Diameter (mm) | 67.00 |
Compression Ratio | 11.9:1 |
Displacement (cc) | 233.40 |
Net Weight (Kg) | 0.21 |
Vehicle compatibility
HONDA CRF F 230 cc 2007/2016 |
Downloads
Downloads
Mounting instructions Cylinder Kit Honda CRF 240 Big bore_ENG | Download |
- Net Weight (Kg): 0.05
- Bore Diameter (mm): 67.50
- Big End Pin Diameter (mm): ø15
- Piston Type: Cast
- Bore Diameter (mm): 67.25
- Big End Pin Diameter (mm): ø15
- Piston Type: Cast
- Bore Diameter (mm): 82.00
- Displacement (cc): 280.00
- Compression Ratio: 13.5:1
- Net Weight (Kg): 1.90
- Bore Diameter (mm): 82.00
- Displacement (cc): 280.00
- Compression Ratio: 13.1:1
- Net Weight (Kg): 1.90
- Bore Diameter (mm): 83.00
- Displacement (cc): 290.00
- Compression Ratio: 12.8:1
- Net Weight (Kg): 1.39
- Bore Diameter (mm): 83.00
- Displacement (cc): 290.00
- Compression Ratio: 12.5:1
- Net Weight (Kg): 1.70
- Bore Diameter (mm): 83.00
- Displacement (cc): 290.00
- Compression Ratio: 12.5:1
- Net Weight (Kg): 1.54
- Compression Ratio: 12.6:1
- Net Weight (Kg): 1.38
- Bore Diameter (mm): 83.00
- Displacement (cc): 290.00
- Compression Ratio: 13.6:1
- Net Weight (Kg): 1.60
- Bore Diameter (mm): 80.00
- Displacement (cc): 290.00
- Compression Ratio: 13.5:1
- Net Weight (Kg): 1.80
- Net Weight (Kg): 0.06
- Oil Seal Height (mm): 11.00
- Oil Seal External Diameter (mm): 54.00
- Oil Seal Internal Diameter (mm): 41.00
- Net Weight (Kg): 0.40
- Net Weight (Kg): 0.06
- Oil Seal Height (mm): 10.50
- Oil Seal External Diameter (mm): 53.00
- Oil Seal Internal Diameter (mm): 41.00
- Net Weight (Kg): 0.29
- Net Weight (Kg): 0.05
- Oil Seal Height (mm): 10.50
- Oil Seal External Diameter (mm): 52.00
- Oil Seal Internal Diameter (mm): 40.00
- Net Weight (Kg): 0.05
- Oil Seal Height (mm): 11.00
- Oil Seal External Diameter (mm): 54.00
- Oil Seal Internal Diameter (mm): 43.00
- Net Weight (Kg): 0.05
- Oil Seal Height (mm): 11.00
- Oil Seal External Diameter (mm): 48.00
- Oil Seal Internal Diameter (mm): 35.00