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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.

YZ85 YZ 85 YZ-85 OE Big Bore Kit 52.50mm OEM Cylinder 105cc Top End Rebuild Kit

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Original price $749.99
Original price $749.99 - Original price $749.99
Original price $749.99
Current price $649.98
$649.98 - $649.98
Current price $649.98

Unleash Beast Mode Power with a 105cc Big Bore Kit

  • Yamaha OEM Nikasil coated 52.50mm cylinder by Millennium Technologies for superior heat dissipation and wear resistance
  • Forged Wiseco piston designed for hardcore strength and reliability or Wossner Forged Piston Made in Germany
  • Complete top end rebuild kit for a fresh max horsepower build

This 52.50mm big bore kit pumps your YZ85 up to a potent 105cc for absolutely epic power gains. The premium Nikasil coated cylinder has unmatched heat transfer and durability properties to withstand aggressive use. It's paired with a forged Wiseco piston engineered for the demands of high-RPM race engines. The kit includes everything needed for a complete top end rebuild including piston, rings, clips, pins, gaskets, and stud kit. Transform your 85 into a holeshot-grabbing monster!

Built for the hardcore racer who wants the strongest, most durable power gains possible. The 105cc engine churns out tractor-pulling torque and high-RPM ripping power to rail berms and blast by competitors.

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

BRAPPPPPPPPPP!

2100781061499530-10114-00RE915M0525093450-16115-00, 93210-84724-00, 93210-56459-00 5PA-11631-00-A0, 4ES-11631-01-A0 

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