Athena 290cc Big Bore Race Cylinder Kit
Athena 290cc Big Bore Race Cylinder Kit
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Unleash the full potential of your 4-stroke engine with the Athena 290cc Big Bore Race Cylinder Kit. This kit is engineered for maximum performance and durability, providing a significant power boost for serious riders and racers.
Description
The Athena 290cc Big Bore Race Cylinder Kit is designed to deliver unparalleled performance and reliability. This kit features an aluminum cylinder with a nickel-carbide coating, ensuring optimal heat dissipation and reduced friction. Larger water jackets provide enhanced cooling, preventing overheating during intense riding conditions. The specially designed, high-performance, hard anodized power valves optimize airflow and improve throttle response. A forged piston with a molybdenum coating ensures durability and reduces wear, contributing to a longer engine life. Upgrade your engine with this premium cylinder kit and experience a noticeable increase in power and performance on the track or trail. Easy to install with basic mechanical knowledge.
Features & highlights
- Aluminum cylinder with nickel-carbide coating for superior heat dissipation and reduced friction.
- Enhanced water jackets provide optimal cooling for consistent performance.
- High-performance, hard anodized power valves optimize airflow and improve throttle response.
- Forged piston with molybdenum coating for enhanced durability and reduced wear.
- Significant power increase for noticeable performance gains.
- Designed for 4-stroke engines, providing a bolt-on performance upgrade.
Technical specifications
- Brand: Athena
- Product Name: Cylinder Kit
- Engine Type: 4-Stroke
- Displacement: 290 cc
- Bore Size: 83.00 mm
- Compression Ratio: 12.5:1
- Cylinder Bore Coating: Nickel-Carbide
- Material: Aluminum
- Base Color: Silver
- Vendor Part Number: P400485100012
Important to know
Please note that this kit does not include a cylinder head. OEM power valves are not compatible and cannot be used with this kit.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
ATHENA
P400485100012
Cylinder Kit
83,00 mm
12.5:1
290 cc
Nickel-Carbide
4-Stroke
Aluminum
Silver
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

