Systems and methods for an engine drive system are described herein. In one example, the system includes a camshaft, a crankshaft, and an accessory drive. The system may include a first chain coupling the camshaft and crankshaft in a first plane, and a second chain coupling the accessory drive and crankshaft in a second plane non-planar to the first plane. The system may further include a chain guide including a first surface guidingly contacting the first chain and a second surface guidingly contacting the second chain.