The Motorcycle Clutch Assembly you're looking for is the perfect part for your YX YinXiang Engines 140, 150, or 160 CC 2V or 4V. Specifically designed to fit W063, W150-5 horizontal engines, this clutch assembly offers reliable performance and durability. Its compact and lightweight design ensures easy installation, even on the dirt pit bike, making it an ideal choice for DIY enthusiasts. The assembly consists of high-quality components, ensuring smooth operation, even under extreme conditions. With its compatibility and versatility, this clutch assembly is an excellent investment for your bike.