Skip to content
BPRATV will be closed for the Thanksgiving holiday. We will resume shipping orders on Monday, December 2nd. We are thankful for our amazing customers for making this one of our best years yet! Wishing you and your families a wonderful Thanksgiving! 🙏🦃
BPRATV will be closed for the Thanksgiving holiday. We will resume shipping orders on Monday, December 2nd. We are thankful for our amazing customers for making this one of our best years yet! Wishing you and your families a wonderful Thanksgiving!

09-13 YFZ450R YFZ 450R 450X Complete Motor Engine Rebuild Cams Valves Oil Pump

by BPRATV
Save 9% Save 9%
Original price $2,199.99
Original price $2,199.99 - Original price $2,199.99
Original price $2,199.99
Current price $1,999.99
$1,999.99 - $1,999.99
Current price $1,999.99
FITS ALL YAMAHA '08-13 YFZ450R and YFZ450X MODELS


  • 95mm after market stock bore cylinder
  • Hotrods or Wiseco HD crank with rod
  • Main bearings
  • Transmission bearings
  • Shift cam bearing
  • CP Wiseco or JE 12.5:1 forged piston
  • Hi temp piston rings
  • DLC chrome wristpin
  • Circlips
  • Head stud kit
  • Stage 2 Hotcams
  • Kibblewhite valve spring kit
  • Kibblewhite stainless intake and exhaust valves
  • OEM Yamaha oil pump
  • Complete oil seal kit
  • Complete water pump rebuild with mechanical seal, bearing, and shaft
  • Complete gasket kit
  • Cam chain
  • Clutch kit
  • Install instructions
  • Stickers

This is a bolt on kit with no machining required.  Piston uses pump or race gas.  Everything is new in the original packaging and the original manufacturers warranty applies*.

Please check your order thoroughly when receiving it.  If for any reason at all you are not 100% happy please contact us right away so we can help resolve the issue.  If for any reason at all you are not happy with your order you are welcome to return it UNOPENED NEVER INSTALLED COMPLETE (NOTHING MISSING) AND BRAND NEW IN THE ORIGINAL PACKAGING for a FULL REFUND! *If we receive your order back incomplete, packaging ripped open and/or parts missing we will have to deduct our loss from your refund.

*We recommend that this kit be installed by a qualified mechanic with experience working on these types of motors.  Warranty does not include any failure that is a result of improper installation, improper tuning, improper break in, or misuse.  Piston comes with specific instructions for setting the ring gap.  If you do not follow these exactly your motor will fail.  For any warranty to be considered the part(s) in question must first be sent to us and possibly the manufacturer for inspection.  We can not warranty parts based on photos or phone calls alone. 


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