Regina Chain KY118 520 Quad Z-Ring Chain and Sprocket Kit for Yamaha YFM350

The Regina Chain KY118 is a complete 520 Quad Z-Ring chain and sprocket kit designed for the Yamaha YFM350. This all-in-one drive system kit delivers an economical and convenient solution for replacing the entire secondary drivetrain in a single service.

Key Features:

• Regina 520 Quad Z-Ring Chain — features gold outer plates and Regina's exclusive Z-Ring seals, which dramatically improve performance and extend wear life
• 8,000 lb. tensile strength — built to withstand the demands of ATV riding and competition use
• Precut chain — arrives ready to install at OEM length with no cutting required
• Chromoly steel front sprocket and high-carbon heat-treated rear sprocket for maximum durability
• OEM gearing ratio — maintains stock performance characteristics
• Clip-type master link included — for straightforward installation
• Shot-peened components and pre-stretching process for enhanced fatigue resistance
• Made in Italy by Regina, a manufacturer with over 80 years of motorcycle chain experience

Regina Chain kits are engineered so that the chain and sprockets are perfectly matched, ensuring even wear across all components. Replacing the chain and both sprockets together is the recommended best practice to prevent accelerated wear from mixing new and used drivetrain parts.