10-17 CRF250R Big Bore Rebuild Kit 80mm Top Bottom End Motor Engine Assembly Kit

2010–2017 Honda CRF250R 80mm Big Bore Complete Top & Bottom End Rebuild Engine Kit

🔥 Complete 80mm Big Bore Engine Rebuild Kit – Top to Bottom 🔥

Take your Honda CRF250R (2010–2017) to full race-ready power with the BPRATV 80mm Big Bore Complete Engine Rebuild Kit. This precision-engineered kit replaces and upgrades every major internal engine component—offering unmatched reliability, strength, and performance for both competitive racing and recreational riders who want the best.

🔥 Key Features & Benefits 🔥

This all-in-one kit eliminates guesswork and ensures your CRF250R motor runs like new—or better. Each component is built for maximum horsepower and durability under extreme conditions.

• New 80mm Big Bore Nikasil Cylinder – Precision bored and plated for optimal heat dissipation and durability.
• JE 13.5:1 Forged Piston Kit – Includes piston, high-temp rings, chrome wrist pin, and circlips for superior compression and strength.
• Hot Rods or Wiseco Crankshaft Assembly – Complete crank with rod, balanced and ready to install for race-level performance.
• Talon Titanium Crankcase Stud Kit – Lifetime warranty, corrosion-resistant, precision threads for maximum clamping force.
• New Heavy Duty Clutch Kit – Friction plates, steel plates, and springs designed for aggressive riding and long wear.
• Complete Engine Gasket Kit – Includes every gasket from top to bottom: head, base, covers, exhaust, clutch, and more.
• Big Bore Cometic MLS Head Gasket – Multi-layer steel design for perfect sealing under high compression.
• Complete Oil Seal Kit – Full crankcase set with high-temp resistant seals to prevent leaks under pressure.
• Viton Valve Stem Seals – High-performance material prevents oil seepage and improves valve life.
• Water Pump Bearing & Mechanical Seal – Ensures consistent coolant flow and prevents overheating.
• Main Crank Bearings – Premium high-speed bearings for smooth and quiet operation.
• Crank Balancer Bearings – OEM-grade replacements for perfectly balanced rotation.
• Shift Cam & Transmission Bearings – Complete coverage for smooth shifting and drivetrain longevity.
• NGK Iridium Spark Plug – Delivers optimal ignition and enhanced combustion efficiency.
• New Timing Chain – Replaces worn OEM chain to maintain accurate cam timing and prevent slippage.
• Runs on Pump or Race Gas – 13.5:1 compression safely compatible with premium pump or race fuel.

✅ Compatibility

Direct bolt-on kit for all models below — no case or head machining required:

• 2010 Honda CRF250R
• 2011 Honda CRF250R
• 2012 Honda CRF250R
• 2013 Honda CRF250R
• 2014–2017 Honda CRF250R

❓ Frequently Asked Questions (FAQ)

• Q: Is this a complete engine rebuild kit?

  A: Yes! It includes everything needed to rebuild both the top and bottom end of your CRF250R engine — from crank to clutch and all gaskets and bearings.

• Q: Does this require head or case modification?

  A: No modifications are needed. This kit is a direct bolt-on replacement.

• Q: What compression ratio does it use?

  A: The JE forged piston has a 13.5:1 compression ratio for powerful, yet reliable performance.

• Q: Is there a warranty?

  A: Yes! 6-month limited warranty on all major components and lifetime warranty on the Talon Titanium stud kit.

🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. Every BPRATV rebuild kit is assembled using race-proven components for strength, balance, and reliability. From the first start to your next checkered flag, trust BPRATV to keep your Honda CRF250R running at peak power every single time.

💥 Rebuild it right the first time – choose BPRATV and dominate the dirt! 💥

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

BRAPPPPPPPPPP!

© BPRATV LLC