BikeMaster - BKM965457 - Yamaha Front Sprocket 428 13T

Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster® Front Sprockets are machined from 20CrMnTi, shot peened for longer wear and heat treated for extended durability. A perfect match for the BikeMaster® line of chains.

• Reliable construction ensures consistent wear resistance across all available tooth counts and models in the series
• Precision engineered for direct fitment and smooth power delivery in motorcycles with corresponding chain sizes

The BikeMaster BKM965457 front sprocket is engineered as a replacement sprocket for compatible Yamaha motorcycles using a 428 chain size. It is manufactured from 20CrMnTi material, shot peened for longer wear, and heat treated for extended durability.

Key Features & Performance Benefits

• 20CrMnTi Construction: Made from high-quality material for dependable service.
• Shot-Peened Surface: Designed to support longer wear.
• Heat-Treated Design: Provides extended durability.
• Precision Engineering: Supports direct fitment and smooth power delivery on motorcycles with corresponding chain sizes.

Product Specifications & Technical Data

• Brand: BikeMaster
• Part Number: BKM965457
• Product Type: Front sprocket
• Tooth Count: 13T
• Chain Size: 428
• Material: 20CrMnTi
• Manufacturing Processes: Shot peened and heat treated
• Units Per Package: 1

What's Included

One BikeMaster front sprocket.

Fitment

Fits 2003–2012 Yamaha YZ85 models.

Fitments:
2002 Yamaha YZ85 Base
2003 Yamaha YZ85 Base
2004 Yamaha YZ85 Base
2005 Yamaha YZ85 Base
2006 Yamaha YZ85 Base
2007 Yamaha YZ85 Base
2008 Yamaha YZ85 Base
2009 Yamaha YZ85 Base
2010 Yamaha YZ85 Base
2011 Yamaha YZ85 Base
2012 Yamaha YZ85 Base
2013 Yamaha YZ85 Base
2014 Yamaha YZ85 Base
2015 Yamaha YZ85 Base
2016 Yamaha YZ85 Base
2017 Yamaha YZ85 Base
2018 Yamaha YZ85 Base
2019 Yamaha YZ85 Base
2020 Yamaha YZ85 Base
2021 Yamaha YZ85 Base
2022 Yamaha YZ85 Base
2023 Yamaha YZ85 Base
2024 Yamaha YZ85 Base
2025 Yamaha YZ85 Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Clearance Item: t
Regular Stock: false
Units Per Sku: 1