GY6 150 Oil Pump Chain

The oil pump chain is one of the most underappreciated components in the GY6 150cc engine. It's the link — literally — between the crankshaft and the oil pump, ensuring your engine receives a steady supply of pressurized oil to the crankshaft bearings, camshaft, and valve train. A stretched, worn, or broken oil pump chain can cause a sudden drop in oil pressure, leading to accelerated engine wear or catastrophic failure.

This replacement oil pump drive chain is precision-manufactured to match OEM link count, pitch, and width specifications for the standard GY6 150cc engine configuration. It installs directly without modification and is built from hardened steel for durability and resistance to stretch over time.

Ideal for replacement during bottom-end rebuilds, oil pump service, or any time the crankcase is opened. At this price point, it's a smart item to replace any time you have the engine apart — insurance against a problem that's expensive to fix after the fact.