The Crankcase Gear Shift Lever Shaft Oil Seal for 91202-444-023 is a crucial replacement part for your motorcycle or ATV engine. This black rubber part, compatible with various vehicles like Trx250, Trx350, Trx450, Cr60r, Cr80r, Cr85r, and ATC250r, ensures smooth gear shifting and oil circulation. The well-built shaft seals prevent leakage, extending the engine's life and maintaining optimal performance. This kit includes everything you need for a hassle-free repair, making it an essential addition to your motorcycle or ATV maintenance routine.