Renthal 428-14GP Front Grooved Sprocket for Suzuki RM80/RM85L and Yamaha YZ80

Renthal consistently achieves perfect concentricity, fitment, load dispersion and uncompromising strength while ensuring maximum power delivery from each and every motocross front sprocket. Carefully crafted using advanced computer engineering and CNC machining.

The Renthal 428-14GP Front Grooved Sprocket is engineered for dependable motocross performance and precise fitment on select Suzuki RM80, RM85L, and Yamaha YZ80 applications. Designed with advanced computer engineering and CNC machining, this powersports sprocket helps maintain accurate concentricity, consistent load dispersion, and reliable power delivery from the engine to the rear wheel.

Manufactured by Renthal to meet the demands of off-road riding, the sprocket features a 428 chain pitch and a 14-tooth configuration. Its grooved design supports efficient chain engagement while helping reduce unnecessary weight. The carefully machined construction provides the strength and dimensional accuracy required for motocross and trail applications, making it a practical replacement for worn or damaged original equipment sprockets.

Installation should be completed with the chain, rear sprocket, and related drivetrain components inspected for wear. Replacing a front sprocket alongside other worn chain-drive parts can help promote smoother operation and extend service life. This Renthal sprocket is intended for the fitments listed below and should be verified against the motorcycle’s year, model, chain specifications, and original gearing before installation.

Fitment: 1989 Suzuki RM80; 1993–2001 Yamaha YZ80. Fits select Suzuki RM85L applications from 1989–2022 where the listed chain and gearing specifications apply.

What's Included: One Renthal 428-14GP front grooved sprocket.

Features:

• Precision CNC Machining: Carefully manufactured for accurate fitment, concentricity, and dependable drivetrain alignment.
• 428 Chain Compatibility: Designed for use with a 428 chain and a 14-tooth front sprocket configuration.
• Grooved Sprocket Design: Supports efficient chain engagement and helps reduce unnecessary rotating weight.
• Motocross-Ready Construction: Built to provide reliable strength, load dispersion, and consistent power delivery in off-road riding conditions.

Fitments:
1989 Suzuki RM80 Base
1990 Suzuki RM80 Base
1991 Suzuki RM80 Base
1992 Suzuki RM80 Base
1993 Suzuki RM80 Base
1993 Yamaha YZ80 Base
1994 Suzuki RM80 Base
1994 Yamaha YZ80 Base
1995 Suzuki RM80 Base
1995 Yamaha YZ80 Base
1996 Suzuki RM80 Base
1996 Yamaha YZ80 Base
1997 Suzuki RM80 Base
1997 Yamaha YZ80 Base
1998 Suzuki RM80 Base
1998 Yamaha YZ80 Base
1999 Suzuki RM80 Base
1999 Yamaha YZ80 Base
2000 Suzuki RM80 Base
2000 Yamaha YZ80 Base
2001 Suzuki RM80 Base
2001 Yamaha YZ80 Base
2002 Suzuki RM85 Base
2003 Suzuki RM85 Base
2003 Suzuki RM85L Base
2004 Suzuki RM85 Base
2004 Suzuki RM85L Base
2005 Suzuki RM85 Base
2005 Suzuki RM85L Base
2006 Suzuki RM85 Base
2006 Suzuki RM85L Base
2007 Suzuki RM85 Base
2007 Suzuki RM85L Base
2008 Suzuki RM85 Base
2008 Suzuki RM85L Base
2009 Suzuki RM85 Base
2012 Suzuki RM85 Base
2012 Suzuki RM85L Base
2015 Suzuki RM85 Base
2016 Suzuki RM85 Base
2017 Suzuki RM85 Base
2018 Suzuki RM85 Base
2019 Suzuki RM85 Base
2020 Suzuki RM85 Base
2021 Suzuki RM85 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
Regular Stock: false
Units Per Sku: 1