Big Bore Cylinder Kit Ø 82 mm, 283 cc to increase performance
Unbeatable price-quality ratio
Maximum durability and smoothness thanks to a special nickel and silicon treatment
Gaskets developed with teh latest generation technologies to ensure maximum tightness even at high temperatures and pressures
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's Big Bore Cylinder Kits are designed to increased the performances, keeping the reliability at the same level as the one achieved with the original components. Athena's Cylinder Kits are based on a solid know-how, born from years of experience, that made Athena the equipment supplier for many motorcycle manufacturers. This is why Athena is able to design and produce in-house cylinders and cylinder kits of the highest quality and efficiency, at an extremely competitive price. CAUTION: All Athena products must be used in compliance with the regulations the competent authorities of each Member State. Athena declines all responsibility for any improper use.
Technical features
| Bore Diameter (mm) | 82.00 |
| Bore Gain (mm) | + 5 |
| Displacement (cc) | 283.00 |
| Line | Enduro |
Vehicle compatibility
| YAMAHA WR F 250 cc 2020/2024 |
| YAMAHA YZ F 250 cc 2019/2024 |
Downloads
Downloads
| Mounting instructions Cylinder kit YAMAHA YZ 250 F 2019-2022_IT_EN_ES_FR_DE_PT | Download |
- Bore Diameter (mm): 81.95
- Compression Height (mm): 20.20
- Displacement (cc): 283.00
- Big End Pin Diameter (mm): 16X1044.5
- Net Weight (Kg): 0.07
- Line: Enduro
- Bore Diameter (mm): 81.95
- Compression Height (mm): 20.20
- Displacement (cc): 283.00
- Big End Pin Diameter (mm): 16X1044.5
- Bore Diameter (mm): 81.96
- Compression Height (mm): 20.20
- Displacement (cc): 283.00
- Big End Pin Diameter (mm): 16X1044.5
- Bore Diameter (mm): 82.00
- Displacement (cc): 276.00
- Compression Ratio: 13.4:1
- Net Weight (Kg): 1.44
- Bore Diameter (mm): 85.00
- Displacement (cc): 288.83
- Bore Gain (mm): + 6
- Compression Ratio: 13.7:1
- Bore Diameter (mm): 83.00
- Displacement (cc): 290.00
- Net Weight (Kg): 1.39
- Bore Diameter (mm): 50.00
- Displacement (cc): 80.00
- Compression Ratio: 12.8:1
- Net Weight (Kg): 1.60
- Bore Diameter (mm): 85.00
- Displacement (cc): 304.15
- Bore Gain (mm): +8
- Compression Ratio: 13.3:1
- Bore Diameter (mm): 102.00
- Displacement (cc): 496.00
- Bore Gain (mm): + 5
- Compression Ratio: 13.4:1
- Bore Diameter (mm): 98.00
- Displacement (cc): 470.00
- Line: Enduro
- Bore Diameter (mm): 43.00
- Displacement (cc): 63.00
- Net Weight (Kg): 1.63
- 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): 0.05
- 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): 0.29
- 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
United States