Standard Bore Cylinder Kit Ø 78 mm, 250 cc with Gaskets
Race Use Only Product – Not intended for street use – 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
Restore the Original Performance of Your Kawasaki KX 250
Bring your engine back to peak condition with the Athena Standard Bore Cylinder Kit, engineered for reliability, durability, and precision manufacturing. This kit is the perfect solution for riders who want to rebuild their engine to OEM specifications without compromising on quality.
High-Quality Components for a Complete Overhaul
The kit includes:
High-silicon aluminum alloy cylinder for optimal heat dissipation and wear resistance.
High-performance forged piston, CNC-machined for tight tolerances and coated with molybdenum disulfide to reduce friction and noise.
Wrist pin and circlips made from aerospace-grade materials for smooth operation and long-lasting durability.
Complete gasket set, featuring a laser-cut MLS (Multi-layer Steel) head gasket for perfect sealing under extreme pressure and temperature conditions.
Perfect Fit and Easy Installation
The Athena Standard Bore Cylinder Kit for Kawasaki KX 250 is designed to meet OEM specifications, ensuring easy and secure installation without modifications. Ideal for major maintenance or professional engine rebuilds.
Proven Reliability
Backed by Athena’s racing experience and partnerships with leading manufacturers, this kit guarantees consistent performance and extended lifespan, even under demanding riding conditions.
Bullet points
Aluminum cylinder with a special nickel and silicon coated barrel
Forged piston with anti-friction coating
Complete gasket set with laser-cut MLS head gasket
Perfect OEM fit for easy, reliable installation
Technical features
| Bore Diameter (mm) | 78.00 |
| Displacement (cc) | 249.00 |
| Line | Enduro |
| Net Weight (Kg) | 1.42 |
- Compression Height (mm): 20.00
- Displacement (cc): 249.00
- Big End Pin Diameter (mm): 16x9,5x16,6
- Number Of Segments: 2
- Net Weight (Kg): 0.07
- Compression Height (mm): 20.00
- Displacement (cc): 249.00
- Big End Pin Diameter (mm): 16x9,5x16,6
- Number Of Segments: 2
- Compression Height (mm): 20.00
- Displacement (cc): 249.00
- Big End Pin Diameter (mm): 16x9,5x16,6
- Number Of Segments: 2
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 11.00
- Oil Seal External Diameter (mm): 54.00
- Net Weight (Kg): 0.40
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 10.50
- Oil Seal External Diameter (mm): 53.00
- Manufacturer: SKF
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 9.00
- Dust Seal Total Height (mm): 4.90
- Manufacturer: ATHENA
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 10.50
- Oil Seal External Diameter (mm): 52.00
- Manufacturer: ATHENA
- Net Weight (Kg): 0.06
- Oil Seal Total Height (mm): 11.00
- Oil Seal External Diameter (mm): 50.00
- Manufacturer: ATHENA
- Net Weight (Kg): 0.05
- Oil Seal Total Height (mm): 9.50
- Oil Seal External Diameter (mm): 53.00
- Height: 14.80
- External Diameter (mm): 15.00
- Internal Diameter (mm): 12.00
- Manufacturer: ATHENA
Lithuania 