Selling a couple CBR600RR engines. 2007 CBR600RR Engine 35,000 miles Runs great, no issues. Valves inspected this winter and everything is spot on. Has an APE manual cam chain tensioner, otherwise it's stock. New spark plugs 4,000 miles ago. $650 2012 CBR600RR Engine 6,000 miles Runs great, no issues. Valves inspected this winter, and they were spot on. Has PAIR block off plates, Woodcraft stator and clutch covers, otherwise it's stock. $1,150 Located in Brighton/Ann Arbor, MI. Shipping is extra.