09-13 YFZ450R YFZ 450R Rebuild Kit Complete Top Bottom Motor Engine Assembly Kit

Complete Engine Rebuild Kit for 2009-2013 Yamaha YFZ450R – Ultimate Top & Bottom Motor Assembly by BPRATV

Revive your 2009-2013 Yamaha YFZ450R with the Complete Engine Rebuild Kit – the most comprehensive and high-performance solution for fuel-injected models. Curated and backed by BPRATV, this all-in-one kit combines industry-leading components to restore your quad's power and reliability, offering unmatched durability on the trail or track.

This kit includes everything you need for an effortless rebuild:

• BPRATV 95mm Stock Bore Nikasil Cylinder for peak performance.
• High-quality forged piston kit: Wiseco, Wossner, CP Carrillo, or JE*
• OEM-grade components with:
  • HOT RODS crankshaft assembly with rod.
  • Maxlock TITANIUM Head Stud Kit with LIFETIME WARRANTY*!
  • BPRATV Heavy Duty Cam Chain
  • Water Pump Rebuild Kit with new Mechanical Seal, Bearing, Shaft, and Gasket!
  • Main Crank, Shift Cam, Counter Balancer, and Transmission Bearings for the complete upgrade and refresh!
  • Complete gasket and seal kits, water pump rebuild kit components, valve stem seals, and more.
• A clutch kit, NGK spark plug, K&N oil filter, oil pump and rotors, and even a new clutch kit – perfectly designed for maximum compatibility.

Why Choose This Kit?

• Built to last with all brand-new parts in original packaging.
• No modifications required – fits your YFZ450R seamlessly.
• Piston compatible with pump or race gas.
• Backed by a 1-year parts warranty for peace of mind.

Upgrade your ride and experience ultimate strength and longevity with this top-and-bottom motor rebuild kit, trusted by riders and racers nationwide. Whether you're tearing it up at full throttle or cruising in style, trust BPRATV to keep your Yamaha on top of its game.