Athena P400485100039 Big Bore Stroker Cylinder Kit (112cc) - 5.5mm Oversize to 53.00mm, 14:1 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 galvanic coating design.
Forged piston with molybdenum coating.
Special gasket kit.
Easy-to-follow step-by-step installation instruction.
Wheel Power: 27.5 HP / 10900 rpm
Yamaha YZ85 2002-2019