Skip to content
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.

06-09 YZ450F YZ 450F 98mm +3 Big Bore Cylinder Piston Complete Motor Rebuild Kit

by BPRATV
Save 17% Save 17%
Original price $1,499.99
Original price $1,499.99 - Original price $1,499.99
Original price $1,499.99
Current price $1,249.99
$1,249.99 - $1,249.99
Current price $1,249.99

23001-k02,21003,M1051,4074,CBK0110,H2477SP1027S,247942,20001, 3GM-12126-00-00, 5TA-12113-00-00, 5TJ-11631-00-00, 4SV-12119-00-00, 5BE-12117-00-00, 4GY-12117-00-00, 33M-12119-00-00, 5JG-11603-00-00, 5TA-11633-00-00, 93420-18082-00, 5TA-11311-00-00, 5TA-11311-12-00, 5TA-12111-00-00, 5TA-11351-00-00, 5TA-11193-00-00, 5TA-12114-00-00, 5TA-11631-00-00, 5TA-12112-00-00, 5TA-12121-00-00, 80-81900, 80-80206, 80-80213H, 80-80215H, 80-80217H, 71014-5

WORKS FOR ALL 06-09 YAMAHA YZ450F DIRT BIKES

BPRATV 98mm Big Bore Nikasil Cylinder (1 year warranty)

Hot Rods or Wiseco crank with rod**

CP, JE, Wiseco, or Wossner forged piston kit**

Piston rings

Wristpin

Circlips

Crank bearings

Shift cam bearing

Transmission bearings

Counter balancer bearings

Water pump bearing

Water pump mechanical seal and shaft

Seal kit

Valve stem seals

Complete gasket kit

98mm MLS head gasket

Cam chain

HD clutch kit

Head stud kit

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*

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

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