REAR SPROCKET ALLOY BLUE 798, JTA798.51BLU 7075-T6 Aluminium

This JT Sprockets JTA798.51BLU rear sprocket is crafted from 7075-T6 aerospace-grade aluminum and finished in blue anodizing for enhanced strength and corrosion resistance. Designed for off-road applications, it fits a wide range of Suzuki RM and Yamaha YZ motocross models, supporting both standard and 428 chain conversion setups.

Features

• Constructed from 7075-T6 aerospace-grade aluminum for strength and reduced weight

• Blue anodized finish for corrosion resistance and visual identification

• Engineered for off-road durability and high-performance use

• Compatible with a wide range of small-displacement motocross models

Specifications

• Sprocket Type: Rear

• Part Number: JTA798.51BLU

• Tooth Count: 51

• Material: 7075-T6 Aluminum

• Color: Blue

• Chain Pitch: Varies by application (includes 428 chain conversion compatibility)

Cross-Reference OEM Part Numbers

• Not specified

Vehicle Fitments

• Suzuki RM80 XE, XF (Small Wheels) 1984–1985

• Suzuki RM80 E/F USA 1984–1985

• Yamaha YZ85 K, L, M, N, P 2019–2023

• Yamaha YZ85 R2 2024

• Yamaha YZ85 S2 2025

• Suzuki RM85 K2–K9, L0–L9, M0 2002–2020

• Suzuki RM85 K2–K9, L0–L9, M0 USA 2002–2020

• Suzuki RM85 M1, M2, M3 USA 2021–2023

• Suzuki RM85 L K2–K9, L0–L6 (Big Wheel) 2002–2018

• Suzuki RM85 L K2–K9, L0–L6 (Big Wheel) USA 2002–2018

• Suzuki RM85 L L9, M0, M1, M2, M3 (Big Wheel) 2019–2023

• Yamaha YZ80 E–N 1993–2001

• Yamaha YZ80 E–N USA 1993–2001

• Yamaha YZ80 F–N Large Wheel 1994–2001

• Yamaha YZ85 P, R, S, T, V, W, X, Y, Z, A, B, D, E, F, G, H, J5PA 2002–2018

• Suzuki RM80 XK, XL, XM, XN, XP, XR, XS, XT, XV, XW, XX, XY, K1 1989–2001

• Suzuki RM80 K–Y, K1 USA 1986–2001

• Suzuki RM80 V, W, X, Y, K1 (Big Wheels) 1997–2001

• Suzuki RM80 XD (Small Wheels) 1983

• Suzuki RM80 D USA 1983

• Suzuki RM80 XG, XH, XJ (428 Chain Conversion) 1986–1988

• Yamaha YZ85 K, L, M, N LW 2019–2022

• Yamaha YZ85 P LW 2023

• Yamaha YZ85 R LW 2024

• Yamaha YZ85 S LW 2025

• Suzuki RM80 Z 1982

• Suzuki RM80 Z USA 1982

• Yamaha YZ85 P, R, S, T, V, W, X, Y, Z, A, B, D, E, F, G, H, J Large Wheel 2002–2018

• Suzuki RM80 HD, HE, HF 1983–1985