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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.

20+ Yamaha YZ450F YZ 450F 99mm 12.8:1 470cc Big Bore Cylinder Piston Top End Kit

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Original price $650.95
Original price $650.95 - Original price $650.95
Original price $650.95
Current price $585.86
$585.86 - $585.86
Current price $585.86
CW21014K01, 24461A, 24461B, CW21014K01, 24461B, 24461, B2W-11311-00-00, B2W-116A0-00-00, B2W-11311-00-00, B2W-116A0-00-00, B2W-11181-00-00, B2W-11351-00-00, B2W-11631-00-00, B2W-11603-00-00, BR9-11633-10-00, BR9-11633-00-00, 93450-19052-00, 51Y-12119-00-00, A-YZ450F-2022-97-CG / MX1111,204859111922, 204859111024, C3786, B2W-W0001-00-00, P400485600213, 35.2450, 40255M09700, 40254M09700, 191070548896

Cylinder Works Top End 99mm +2mm  470cc Big Bore Cylinder Kit

FITS YAMAHA MODELS

WR 450 F (21-24); YZ 450 F (20-24); YZ 450 FX (21-24)

SPECS

  • Compression Ratio 12.8:1
  • Cylinder Diameter: 99 mm
  • Cylinder Kit Type: Big Bore
  • Displacement: 470 cc
  • Engine Type: 4-Cycle
  • Includes: Cylinder, Piston Kit, and Vertex Top-End Gasket Kit with Viton valve stem seals
  • Size Over Standard: +2.00mm
  • Drop in, Bolt on kit with no modifications required

1 year manufacture warranty for your peace of mind*

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

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