Athena YFZ450 Big Bore Kit, P400485100016, 4173, 4097-3IN,4098-3E, CBK0146, 21001-K01,MX-09151-1, 23001-1, 20001, M1000, WPC231, C3066, C3068, CBK0109, 808869, 822238, 94591-57118-00, 93306-30633-00, 5TG-11651-00-00, 93310-63437-00, 5TG-11681-01-00, 5TG-11400-21-00, 5TG-11412-00-00, 5TG-11422-00-00, 5TA-11311-12-00, 5TG-11633-10-00,5TG-11603-00-00, 99999-03528-00, 99009-20500-00, 5TA-11181-00-00,5TA-11351-00-00, 4FM-12213-00-00,5TA-11311-00-00, 5TA-11311-01-00, 5TA-11311-12-00, 5TA-11181-00-00, 5TA-11351-00-00, 5TG-11603-00-00, 5TG-11631-12-00, 5TG-11633-10-00, 93450-22027-00, 4865M09500, 4073, CBK0109, 4835M09500 M1000 M1100 284685, K022,,M1009,BPRATV's Yamaha YFZ450 Big Bore Stroker 500cc TRULY Complete Engine Rebuild Kit – Stage 3 Hot Cams Upgrade (2004–2009, 2012–2013)
Unleash the full potential of your Yamaha YFZ450 with BPRATV's 500cc Big Bore Stroker Engine Rebuild Kit, designed exclusively for carbureted models from 2004–2009 and 2012–2013. Built for unparalleled performance and reliability, this TRULY complete rebuild kit includes everything you need to transform your engine into a race-ready powerhouse with exceptional durability and precision-engineered components.
Kit Includes:
- BPRATV 98mm Big Bore Nikasil Cylinder (1 Year Warranty*)
- Hot Rods Stroker Crankshaft Assembly with Connecting Rod
- SKF or Hot Rods Main Crank Bearings*
- Wiseco, Wossner, CP Carrillo, or JE Forged Piston Kit* (Includes Piston Rings, Wristpin, & Circlips)
- Hot Cams Stage 3 Camshafts (Both Intake Cam & Exhaust Cam)
- BPRATV Talon Titanium Cylinder Head Stud Kit
- BPRATV Heavy Duty Clutch Kit (fibers, steels, springs)
- Complete Bottom End Bearing Kits Including: Water Pump, Shift Cam, Counter Balancer, Clutch Arm, and Transmission Bearings.
- Complete Top & Bottom Gasket Kit with Viton Valve Stem Seals
- 98mm Big Bore Cometic MLS Head Gasket
- Complete Engine Oil Seal Kit
- BPRATV Heavy Duty Replacement Timing Cam Chain
Whether you're rebuilding for racing or renewing your YFZ450 for peak trail performance, this all-in-one engine rebuild kit delivers exceptional results for maximum speed, torque, and reliability. Everything is brand new and backed by BPRATV's commitment to quality.
Revamp your ride today and experience the thrill of Yamaha YFZ450 dominance!
BPRATV - The Best Parts. The Best Performance. The Best Price.
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1-year limited warranty from the manufacturer for material or workmanship defects.*
Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.
This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. This product is sold only for use in connection with EPA -certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and/or federal noise or emission standards/regulations. Purchasers who/that purchase this product represent and warrant that the product is purchased only in connection with EPA -certified, emission-regulations-exempt and noise-regulations-exempt competition/racing vehicles as interpreted under applicable state and/or federal law.
