The Honda 13310-ZM7-G02 Engine Crankshaft converts the piston's up-and-down motion into rotational movement, allowing the engine to deliver power to its connected components. It plays a key role in the engine's internal operation and helps maintain smooth mechanical performance. Replacing a worn or damaged crankshaft can help restore proper engine function during repairs. Check your H... https://www.wholetoolbox.com/honda-13310-zm7-g02-engine-crankshaft/13310-ZM7-G02.html