Sprocket Rear - Yamaha 125 TT - R (2002-2025) OEM# 1B2-F5449-21-00 | WSM RSY-046-49

Sprocket Rear Yamaha 125 TT-R 02-25 OEM# 1B2-F5449-21-00

This WSM sprocket rear is a quality aftermarket replacement part designed for Yamaha TT-R 125.

It replaces selected OEM reference numbers including 1B2-F5449-21-00, 5HP-25449-20-00 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 24 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: RSY-046-49
• Product: Sprocket Rear
• OEM Reference: 1B2-F5449-21-00, 5HP-25449-20-00
• Application: Yamaha TT-R 125

Product Fitment

This part is suitable for the following models:

• Yamaha TT-R 125 – 2002
• Yamaha TT-R 125 – 2003
• Yamaha TT-R 125 – 2004
• Yamaha TT-R 125 – 2005
• Yamaha TT-R 125 – 2006
• Yamaha TT-R 125 – 2007
• Yamaha TT-R 125 – 2008
• Yamaha TT-R 125 – 2009
• Yamaha TT-R 125 – 2010
• Yamaha TT-R 125 – 2011
• Yamaha TT-R 125 – 2012
• Yamaha TT-R 125 – 2013
• Yamaha TT-R 125 – 2014
• Yamaha TT-R 125 – 2015
• Yamaha TT-R 125 – 2016
• Yamaha TT-R 125 – 2017
• Yamaha TT-R 125 – 2018
• Yamaha TT-R 125 – 2019
• Yamaha TT-R 125 – 2020
• Yamaha TT-R 125 – 2021
• Yamaha TT-R 125 – 2022
• Yamaha TT-R 125 – 2023
• Yamaha TT-R 125 – 2024
• Yamaha TT-R 125 – 2025

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Cable Clutch Yamaha 125 TT-R 00-25 OEM# 2PT-F6335-00-00 – 61-561
• Fuel Petcock Suzuki / Yamaha 80 - 350 88-25 OEM# 23F-24500-11-00 – 78-105
• Sprocket Front Yamaha 125 TT-R 00-25 – FSY-013-12
• Sprocket Front Yamaha 125 TT-R 00-25 OEM# 93822-13213-00 – FSY-013-13

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.