ProTaper CS4 Rear Steel Sprocket – 38T, Yamaha YFZ450 & YFM Raptor (2004–2023)

Diamond-Cut Durability for Yamaha ATV Drivetrain Performance

The ProTaper CS4 Rear Steel Sprocket (Part #022677) is engineered for Yamaha YFZ450 and YFM Raptor ATV riders who demand maximum drivetrain reliability. Machined from high-strength 460 steel and featuring ProTaper’s revolutionary Diamond-Cut teeth — 25% harder than standard — this 38-tooth sprocket delivers improved chain engagement, smoother power transfer, and a significantly longer service life than OEM.

The exclusive KTL coating provides a corrosion-resistant, maintenance-free finish built to withstand the harshest off-road and motocross conditions.

Key Features

• Diamond-Cut teeth — 25% harder than standard teeth for superior wear resistance and longevity
• High-strength 460 steel construction — exceptional durability for off-road and motocross use
• Exclusive KTL coating — long-lasting, corrosion-resistant finish for maintenance-free performance
• Precision-cut teeth — improved chain engagement and smoother power transfer
• Straightforward installation — direct-fit for compatible Yamaha ATV models

Specifications

• Part Number: 022677
• Brand: ProTaper
• Teeth: 38T
• Material: 460 High-Strength Steel
• Coating: KTL
• UPC: 887337108483

Fitment

Compatible with Yamaha YFM250R, YFM350 Raptor, YFM700R Raptor, YFZ450, YFZ450R, and YFZ450X models from 2004–2023. See full fitment list below.

• 2004–2013 Yamaha YFM350 Raptor
• 2006–2023 Yamaha YFM700R Raptor
• 2011 Yamaha YFM250R Raptor
• 2007–2008 Yamaha YFZ450 SE
• 2009–2023 Yamaha YFZ450R
• 2010–2011 Yamaha YFZ450X / YFZ450X SE