Cylinder Full Kit Big Bore 85mm KX250 2023-24, Athena P400250100030 300cc (Piston included)

Cylinder Full Kit Big Bore 85mm KX250 2023-24, Athena P400250100030 300cc (Piston included). Find the product specifications and compatibility information below.

Product details

• Product: Cylinder Full Kit Big Bore 85mm KX250 2023-24, Athena P400250100030 300cc (Piston included)
• Part number: 56-K313.85.KIT
• Brand: Athena
• Discover how to upgrade your Kawasaki KX 250 with Athena's Extreme Big Bore Kit, which increases displacement to 300 cc, delivering a significant boost in power and torque across the entire power band. This kit is the ideal solution for riders who want to push their bike's performance beyond standard limits while maintaining the legendary handling and lightness of this motocross machine.
• Enhance Your Kawasaki KX 250 Performance
• The kit includes an aluminum alloy cylinder with an 85 mm steel bore, a high-quality forged piston complete with pin and rings, and all necessary gaskets. This cylinder kit results from years of off-road and racing research and development, ensuring smooth and continuous power delivery suitable for all RPM ranges.
• Electronic Innovation with GET Boost
• Included in the kit is the GET Boost electronic module, developed by Athena’s GET division, which takes your Kawasaki KX 250’s performance to the next level. GET is globally recognized for its collaborations with top off-road teams, including MXGP and AMA Supercross. With GET Boost, you can fully leverage the Big Bore kit’s performance without needing to modify the original ECU or electrical system.
• 85 mm bore diameter for maximum displacement increase
• No crankcase machining required for installation
• Racing forged piston with fully open boxed bridged design and anti-friction coating
• Aluminium alloy cylinder with steel cylinder liner for enhanced durability
• Bore Diameter: 85 mm
• Displacement: 296cc
• Cylinder Material: Aluminium alloy with steel liner
• Piston Type: Forged aluminium with molybdenum disulfide coating
• Vehicle Compatibility:
• Kawasaki KX 250 2023-2024
• Kawasaki KX 250X 2023-2024
• Notes:
• The cylinder head and base gaskets included are specifically developed for this kit. When disassembling the cylinder kit, replace the gaskets with the specific Athena spare gasket kit; do not use OEM replacement gaskets.
• Intended for race use only; not suitable for street use.

Compatibility

No separate vehicle-fitment table record was supplied for this part. Check any application details, sizes and specifications above before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com