Yamaha YZ85 (02-18) Athena 53mm "105cc" Cylinder Kit z50 Comes with everything you need

Comes with everything you need to get started with the exception of plug wire and plug boot

Puch stud pattern is close enough to many other models to fit with a little work

Like any other Minarelli/Morini exhaust

or intake hardware with this

We really hate to see this one go but we know who ever takes this one home will be thrilled

Yamaha YZ85 (02-18) Athena 53mm "105cc" Cylinder Kit z50 Comes with everything you needBig bore kit for 2002 2018 Yamaha YZ85. This cylinder kit from Athena increases the bore diameter to 53mm which is roughly 105cc of displacement. This cylinder features a nickel carbide coating on the aluminum cylinder to increase durability. The forged piston comes molybdenum coated for longer wear life. The water jacket of the cylinder is improved from the stock design for increased flow rate. This does not require the use of a stroker crank like