Over 1.5 Million Tires Shipped! Over 25,000 packages shipped last month!

Athena P400485100076 Standard Bore Cylinder Kit (47.5mm, 85cc) - Premium 2-Stroke Top End Rebuild Kit with Modular Head & Gaskets, Compatible with Yamaha YZ85 2019-2024

Description

RESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor-sharp power delivery, and high-revving factory reliability of your 85cc youth two-stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100076), a premium OEM-style replacement package engineered and manufactured in Italy. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to match or exceed original equipment standards across the entire RPM range. This complete bolt-on kit comes fully loaded with everything required for a flawless top-end rebuild—including a precision-machined 47.5mm standard bore cylinder, a dedicated high-performance modular cylinder head assembly, premium piston, rings, wrist pin, circlips, and a specific high-tightness gasket set—allowing you to drop compression losses and refresh your engine without requiring any custom machining or structural engine modifications to your factory crankcase.

Athena P400485100076 Standard Bore Cylinder Kit (47.5mm, 85cc) - Premium 2-Stroke Top End Rebuild Kit with Modular Head & Gaskets, Compatible with Yamaha YZ85 2019-2024

Product form

SKU: P400485100076

RESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor-sharp power delivery, and high-revving factory... Read more

Out of stock

$943.95

    • Guaranteed secure & safe checkout.

      shop pay
    • Shipped today? Order within: Jul 09, 2026 14:00:00 -0500
    • Free shipping on all orders. (Shipping only available to lower 48 states)
    • Hassle Free, Returns within 30 days

    Description

    RESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor-sharp power delivery, and high-revving factory reliability of your 85cc youth two-stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100076), a premium OEM-style replacement package engineered and manufactured in Italy. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to match or exceed original equipment standards across the entire RPM range. This complete bolt-on kit comes fully loaded with everything required for a flawless top-end rebuild—including a precision-machined 47.5mm standard bore cylinder, a dedicated high-performance modular cylinder head assembly, premium piston, rings, wrist pin, circlips, and a specific high-tightness gasket set—allowing you to drop compression losses and refresh your engine without requiring any custom machining or structural engine modifications to your factory crankcase.

    Returns & Delivery

    When will my order be delivered?

    We ship to all lower 48 US states Your order will be packaged and shipped the same day you ordered as long as you order before 2:00 pm CST.
    Delivery takes between 2-4 business days. You will receive an e-mail after ordering with your tracking number so you can track the packages progress to your address.

    Can I return my product?

    Orders can be returned or exchanged within 30 days of receiving the package, provided they are in original resalable condition. If the product has been used or damage, a restocking fee may occur. Please see our Return Policy for further clarification.

    How can I contact you if I have issues or questions?

    You may contact us at sales@massdepot.com Our dedicated customer support will answer your questions or concerns within 24 hours of you reaching out.

    Recently viewed products

      © 2026 Mass Depot

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Mastercard
        • PayPal
        • Shop Pay
        • Visa

        Login

        Forgot your password?

        Don't have an account yet?
        Create account