A motorcycle power transmission assembly including an engine, a transmission, a drive assembly, and a starter assembly. The engine includes a crankcase, and the transmission includes a transmission case coupled to the crankcase to define an engine-transmission assembly. The drive assembly includes a drive housing coupled to the engine-transmission assembly to define a drive chamber. The drive housing including an opening, and the drive assembly further includes a starter gear. The starter assembly is mounted to the drive housing and includes a nose portion that extends through the opening. The nose portion includes a pinion gear adapted to engage the starter gear.