2011 Rotax Max FR125 Senior engine just complete refreshed and sealed by CKT. Approximately 20 total hours prior to complete rebuild. Rebuild was $1,600 and included complete top end, bottom end, clutch and carb rebuild. Includes spare Rotax battery, jets, and various rebuild kits. All paper work available. CKT also broke the motor in on the dyno. Located in Chicago area. $2,750 obo. 2012 Arrow Shift chassis and other parts available. Contact Andrew at firstname.lastname@example.org.