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BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.
BPRATV will be closed on December 24th and 25th in observance of the Christmas holiday. We will have very limited operations from December 27th to December 31st for our annual cycle counts. Thank you for your patience and understanding. Additionally, we will be closed on January 1, 2025, for New Year's Day.

YFZ450 YFZ 450 Big Bore Stroker Crank Kit Oil Pump Top Bottom Complete Kit 500cc

by BPRATV
Original price $1,249.99 - Original price $1,249.99
Original price
$1,249.99
$1,249.99 - $1,249.99
Current price $1,249.99

FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS

  • NEW 98mm cylinder
  • CP or JE forged hi-comp pump gas piston
  • Hi-temp piston rings
  • DLC wrist pin
  • Circlips
  • Hotrods Stroker crank with rod
  • HD crank bearings
  • Water pump bearing and seal
  • Transmission bearings
  • Complete top and bottom-end gasket kit
  • Complete crankcase oil seal kit
  • Head stud kit
  • Timing chain
  • HD clutch kit
  • Late-model oil pump assembly
  • Install instructions***
    Stickers

This is a bolt-on kit that requires no machining of any kind.  Runs on race gas.  All parts are new in the original packaging, and the original manufacturers' warranties apply*.

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