Athena 250cc Cylinder Kit - High-performance Upgrade
Athena 250cc Cylinder Kit - High-performance Upgrade
In stock
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your 4-stroke engine with the Athena 250cc Cylinder Kit. This kit delivers enhanced performance and reliability, making it ideal for enthusiasts and professionals seeking a competitive edge.
Description
The Athena Cylinder Kit transforms your engine with an aluminum cylinder featuring a durable nickel-silicon carbide (Ni-SiC) coating for superior wear resistance and heat dissipation. Larger water jackets are integrated into the cylinder design to improve cooling efficiency, maintaining optimal operating temperatures even under extreme conditions. The specially designed, hard anodized power valves enhance exhaust flow and increase overall engine output. A forged piston with a molybdenum coating ensures reduced friction and increased durability. Installation may require adjustments; professional installation is recommended.
Features & highlights
- Enhanced Cooling: Larger water jackets maintain optimal engine temperature.
- Durable Construction: Aluminum cylinder with nickel-silicon carbide coating for superior wear resistance.
- Optimized Performance: Hard anodized power valves improve exhaust flow and increase engine output.
- Reduced Friction: Forged piston with molybdenum coating minimizes friction and maximizes engine life.
- Increased Power: Upgrade your 250cc 4-stroke engine for enhanced performance on the track or trail.
Technical specifications
- Brand: Athena
- Part Number: P400510100019
- Bore Size: 77.00 mm
- Color/Finish: Aluminum, Natural
- Compression Ratio: 13.4:1
- Cylinder Bore Coating: Nickel-Silicon Carbide
- Displacement: 250cc
- Engine Type: 4-Stroke
- Material: Aluminum
- Units: Kit
Important to know
- OEM power valves 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
P400510100019
Cylinder Kit
77,00 mm
13,4:1
250 cc
Nickel-Silicon Carbide
4-Stroke
Aluminum
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.

