Build sheet includes cylinder upgrade to 90ci = 1475cc with every upgrade all the way into the crankshaft. It’s a real American Muscle hot rod. Faint of heart need not apply. Tuning system lets you tune to perfection for any situation you choose. This bike is good for track, canyon or street. Street legal. The sound is incredible. Micron exhaust. Shorai lightweight lithium ion battery with charger. One owner, clear title, registered in Arizona with about 44,800 miles; about 25,000 miles on a rebuild. Many extras: parts, tools, repair manual. Buyer pick-up, I don't ship. Immediate payment required.