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Renthal Front Sprocket 14T 428 Chain Yamaha YZ85 2002-2026 257--428-14GP

Part Number: R25742814
RENTHAL
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SKU:
R25742814
UPC:
765442060066
MPN:
257--428-14GP
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.30 LBS
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$37.95
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Description

If you're running a 14-tooth countershaft sprocket on your YZ85, gear selection directly impacts acceleration, top-end speed, and overall drivetrain efficiency. The Renthal 14T Front Sprocket delivers measurable weight savings and proven durability through its case-hardened 655M13 steel construction—critical when you're pushing through sand, mud, or rocky terrain where chain wear accelerates. Self-cleaning mud grooves on each tooth keep debris from embedding into the sprocket, extending service life and maintaining consistent power delivery across riding conditions.

Technical Specifications:

  • Chain Size: 428
  • Tooth Count: 14
  • Material: Case-hardened 655M13 nickel-chromium steel
  • Design: CNC-machined precision
  • Mounting Position: Countershaft (front)
  • Fitment: Yamaha YZ85 2002–2026
  • Weight Savings: 10–15% ultralight
  • Self-cleaning mud grooves
  • Quantity: Single sprocket
  • Installation: Bolt-on replacement
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Specs

MATERIAL:
STEEL
RIDING STYLE:
OFF-ROAD
TYPE:
COUNTERSHAFT
UNITS:
EACH
MOUNTING POSITION:
FRONT
PRODUCT NAME:
SPROCKET
TOOTH COUNT:
14
CHAIN SIZE:
428
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Fitment

Fitment for Renthal Front Sprocket 14T 428 Chain Yamaha YZ85 2002-2026 257--428-14GP

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