JT Sprockets Black 48-Tooth Rear Sprocket for Yamaha (JTA251.48BLK)

Upgrade your motorcycle’s final-drive performance with the JT Sprockets JTA251.48BLK rear sprocket. Designed specifically for compatible Yamaha applications, this black 48-tooth sprocket delivers dependable chain engagement and durable service for riders who demand consistent performance from every component. JT Sprockets combines computer-aided engineering with high-quality materials to create sprockets that balance strength, reliability, and value.
Every JT Sprockets rear sprocket meets or exceeds the highest quality standards established for the motorcycle industry. The JTA251.48BLK is engineered to withstand the demanding loads and repeated stresses associated with street riding, touring, commuting, and performance use. Its precise tooth profile supports smooth chain operation while helping maintain reliable power transfer through the motorcycle’s drivetrain.
The sprocket is heat-treated to improve durability and resistance to wear, helping preserve its functional profile over time. A bead-blasted finish helps reduce material surface tension and contributes to the component’s overall manufacturing quality. The black finish adds a clean, understated appearance that complements a wide range of Yamaha motorcycles and drivetrain setups. For proper fitment, always confirm your motorcycle’s year, model, chain size, mounting pattern, and original-equipment specifications before installation.

Features:

• Brand: JT Sprockets

• Part Number: JTA251.48BLK

• Application: Compatible Yamaha motorcycles

• Tooth Count: 48 teeth

• Position: Rear

• Color: Black

• Construction: Computer-designed for high strength and reduced weight

• Material Treatment: Heat-treated for improved durability

• Surface Treatment: Bead-blasted to reduce material surface tension

• Quality Standard: Meets or exceeds high motorcycle-industry quality standards

Ships from Parts Unlimited.