Yamaha YZ85 Water Pump Rebuild Kit - Vertex Pistons - 02-18. A complete rebuild kit engineered to replace worn water pump components on 2002–2018 YZ85 machines, providing the parts needed to return the pump to proper function.

This Vertex Pistons kit contains the essential gaskets, o-rings, mechanical seal, oil seals and bearings required for a full water pump overhaul. It is designed as a direct OEM-style replacement, helping you avoid the expense of a new pump while restoring reliable coolant circulation. The kit is intended for riders and mechanics who want accurate fit and serviceable results when maintaining or customizing a YZ85.

Features

• Complete set of gaskets and o-rings for a thorough reseal
• New mechanical seal to prevent leaks under pressure
• Oil seals and bearings included for smooth shaft operation
• Direct-fit replacement for 2002–2018 Yamaha YZ85 models

This rebuild kit simplifies teardown and reassembly by supplying matched components in one package, reducing the risk of missing parts during a rebuild. Use it when you detect leakage, bearing noise, or reduced cooling performance to restore proper pump operation and protect your engine.

If you have questions or need advice on fitment or installation, please call us directly. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) | 562-981-6800 (CA)

If you are thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov