My Cart



Athena P400485100038 Big Bore Cylinder Kit (105cc) - 5.5mm Oversize to 53.00mm, 13.8:1 Compression


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets.
Includes Forged piston, rings, clips and pin.
Athena top-end gasket set includes required seals and hardware.
Easy-to-follow step-by-step installation instructions.
Most are bolt-on; no machining required except where noted.
Test Completed with.
Kit ATHENA53 mm..
ATHENA racing exhaust pipe
Yamaha YZ85 2002-2019

Please Note: Ships same business day to contiguous US if ordered by 12:15 PM Central Time!

Note: P400485100038