SLEEVE XR400R

Cylinder Sleeve For 4-Stroke

Quality replacement cylinder sleeves give old cylinders new life

Centerless grinding of the outside diameters provides for perfect roundness

Exact size is controlled by rigid inspection of one-half thousandth of an inch

Cylinder resleeving available through vendor

Inside diameter must be bored and honed to size piston after installation.

Turns '96-'04 Honda XR400R from 400 cc into 440 cc. Turns '99-'14 Honda TRX400EX from 400 cc to 425 cc. Big Bore Sleeve may require special machining and/or machining of cases or cylinder head.