Skip to content
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV
OEM & Performance ATV, UTV & Dirt Bike Parts for Yamaha, Honda, Polaris, Can-Am & More — Shipped Fast from BPRATV

XR650R XR 650R Big Bore Kit 102.40mm Cylinder Stage 2 Hotcam Performance Top End

Sold out
Original price $1,449.99
Original price $1,449.99 - Original price $1,449.99
Original price $1,449.99
Current price $1,248.98
$1,248.98 - $1,248.98
Current price $1,248.98

💥 XR650R Big Bore Kit 102.40mm Cylinder Stage 2 Hotcams Performance Top End 💥

🚀 Unleash Dominant Power: The Ultimate Performance Top End Rebuild Kit!

Ready to transform your Honda XR650R from a trail rider to a dominating powerhouse? This XR650R Big Bore Kit is the ultimate performance top end rebuild solution! By increasing the bore to 102.40mm, this kit delivers a massive surge of horsepower and torque, complemented by a high-performance Stage 2 Hot Cams camshaft. This meticulously assembled package provides everything you need for a comprehensive engine overhaul, combining the reliability of genuine OEM parts with high-performance upgrades. Experience explosive acceleration and unwavering durability, ensuring your XR650R performs at its absolute peak on any terrain!

✅ Pro-Grade Components: Forged Piston & Hot Cams!

Power is nothing without reliability. That's why we've built this kit with only the most trusted, high-performance components. It features a Genuine OEM Honda cylinder bored to 102.40mm and Nikasil plated by Millennium Technologies for superior durability and heat management. At its heart is a premium Wiseco or JE Big Bore Forged Piston Kit (with nitrite coated piston rings, chrome wristpin, and circlips)—the pinnacle of strength and lightweight performance. The aggressive Stage 2 Hot Cams Camshaft and SKF OEM Upgrade Camshaft Bearings deliver a massive powerband, while a BPRATV Talon Heavy Duty Timing Cam Chain ensures your new valvetrain can handle the abuse. For a perfect seal, a Cometic Top end gasket kit with MLS big bore head gasket is included to ensure your new top end can handle every ounce of power.

  • Genuine OEM Honda cylinder bored to 102.40mm & Nikasil plated by Millennium Technologies.
  • Wiseco or JE Big Bore Forged Piston Kit (with Nitrite coated piston rings, Chrome wristpin, & Circlips).
  • Stage 2 Hot Cams Camshaft & SKF OEM Upgrade Camshaft Bearings.
  • BPRATV Talon Heavy Duty Timing Cam Chain.
  • Cometic Top end gasket kit with MLS big bore head gasket.
  • Comes with a 1-year warranty*.

🔧 Complete Top-End Solution: Fits All Years & No Machining Required! 🔧

Take the guesswork out of your engine build. This comprehensive kit is a direct fit for ALL HONDA XR650R MODELS AND YEARS! Because it includes a pre-bored and plated cylinder, it is a complete bolt-on solution with no machining required. We've included every critical component you need for a full top-end overhaul, from the big bore cylinder and forged piston to the gaskets, and cam shaft. Build with confidence and ride with absolute power, knowing your investment is protected by our ironclad 1-year warranty.

  • Fits ALL HONDA XR650R MODELS AND YEARS!
  • 102.40mm Big Bore Cylinder (approx. 680cc displacement).
  • Bolt-on solution with no machining required.
  • This comprehensive package contains everything for a complete top-end overhaul.

❓ Frequently Asked Questions (FAQ)

  • Q: What makes this a complete big bore top-end rebuild kit for the XR650R?

    A: This is a comprehensive kit that includes all the major components for a complete top-end overhaul: a bored and plated OEM cylinder, a premium forged big bore piston kit, a Stage 2 Hot Cams camshaft, an SKF upgrade bearing, a heavy-duty timing chain, and a Cometic MLS gasket kit.

  • Q: What are the benefits of the 102.40mm Nikasil cylinder and forged big bore piston?

    A: The genuine OEM cylinder is professionally bored and Nikasil plated by Millennium Technologies for superior durability. The forged big bore piston (Wiseco or JE) is stronger and lighter than a stock piston, ensuring it can handle the increased power and stress of a big bore, high-performance engine.

  • Q: What is the benefit of the Stage 2 Hot Cams camshaft, and does this kit include other valvetrain components?

    A: The Stage 2 Hot Cams camshaft is designed for maximum performance, providing an aggressive powerband that kicks in hard. This kit also includes an SKF OEM upgrade camshaft bearing and a heavy-duty timing chain, ensuring your valvetrain is fully supported for the increased demands of the performance cam.

  • Q: Is machining required for installation, and what is the compatibility?

    A: No machining is required for installation, as the kit comes with a pre-bored and plated cylinder. It is a direct bolt-on solution designed for ALL Honda XR650R models and years, providing a straightforward and hassle-free performance upgrade.

🌟 Why Buy from BPRATV? Your Ultimate Source for Honda Power! 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. This Honda XR650R Big Bore Kit exemplifies our dedication to providing high-quality, essential components that guarantee your machine's longevity and peak performance. We share your passion for riding and are committed to ensuring your Honda runs flawlessly, whether you're dominating the track or tackling tough trails. Trust BPRATV to deliver the parts you need to keep your XR650R performing its best, every single time.


Upgrade your XR650R today & dominate every trail! 🏁


BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

© BPRATV LLC

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare