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Please be advised that our operations are currently affected by the Southern California wildfires. Our internet and phone systems are experiencing intermittent disruptions. We are making every effort to ensure customer orders are processed and dispatched in a timely manner, as well as responding to all messages. We sincerely appreciate your patience and understanding during this time.
Please be advised that our operations are currently affected by the Southern California wildfires. Our internet and phone systems are experiencing intermittent disruptions. We are making every effort to ensure customer orders are processed and dispatched in a timely manner, as well as responding to all messages. We sincerely appreciate your patience and understanding during this time.

YFZ450R YFZ 450R 98mm mil Big Bore Kit Complete Rebuilt Motor Engine Rebuild Kit

by BPRATV
Save 14% Save 14%
Original price $1,399.99
Original price $1,399.99 - Original price $1,399.99
Original price $1,399.99
Current price $1,199.99
$1,199.99 - $1,199.99
Current price $1,199.99

FITS ALL YAMAHA YFZ450R/450X MODELS AND YEARS FI MODEL ONLY!

  • 98mm BPRATV big bore nikasil cylinder (1 Year Warranty)
  • Wiseco JE CP or Wossner hi comp pump gas forged piston*
  • Hi temp piston rings
  • Chrome wristpin
  • Circlips
  • Hotrods or Wiseco crankshaft with rod
  • 09-14 model clutch kit (fibers, steels, springs)
  • Main bearings
  • Counter balancer bearings
  • Transmission bearings
  • Shift cam bearing
  • Water pump bearing
  • Complete gasket kit - top and bottom end
  • MLS big bore head gasket
  • Complete crankcase oil seal kit
  • Valve stem seals
  • Water pump mechanical seal
  • Cam chain
  • HD head stud kit
  • Clutch kit

Everything is new in the original packaging and covered by manufacturer warranty*. 

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

4406, 21003, 247952, CBK0179, 18P-11400-02-00, 4906M09800 247952 M1009 222086, 808944, CBK0179, H2477SP1027S, 822350, K046, K070, 93306-30644-00

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