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.

YZ450F YZ 450F Wiseco 12.5:1 Piston 95mm Stock Bore Cylinder Top End Rebuild Kit

by BPRATV
Save 42% Save 42%
Original price $682.54
Original price $682.54 - Original price $682.54
Original price $682.54
Current price $394.44
$394.44 - $394.44
Current price $394.44

20001, 4785M09500, C3066, 71014-5, 5TA-11311-12-00, CR8EIX, 5TA-11311-00-00, 5TG-11633-10-00, 5TG-11603-00-00, 99999-03528-00, 99009-20500-00, 5TA-11181-00-00, 5TA-11351-00-00, 4FM-12213-00-00, 5TA-11311-01-00, 5TA-11311-02-00, 5TA-11311-10-00, 5TA-11311-11-00, 5TG-11631-00-00, 5TG-11633-00-00, 3KS-12213-00-00, 4BE-12213-00-00

Brand New Complete Yamaha YZ450F & WR450F Top End Rebuild Kit / Wiseco Stock Bore Piston Kit / Cometic Top End Gasket

Fits Yamaha YZ450F Dirt Bikes

Years 2003 2004 2005

Fits Yamaha WR450F Dirt Bikes

Years 2003 2004 2005 2006

Add Amazing & Reliable Power With The Best Components In The Industry!

This Complete Top End Rebuild Kit Includes:

BPRATV 95mm Stock / Standard Bore Nikasil Plated Cylinder (1 Year Warranty)
Wiseco 12.5:1 Piston Kit (Includes Piston, Rings, Pin & Clips) 
Cometic Complete Top End Gasket Kit
Kibblewhite Red Viton Valve Stem Seals (5)
NGK Iridium Spark Plug 

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