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Reliable Quality
Traditional nuts and washers are prone to rust, and the washers are easily broken after repeated disassembly. This kit uses chromyl steel, which has the advantages of anti-rust and high strength. Bolt washer with CNC precision machined to stay durable and not easily deformed.
Replace Part Number
90179-18020, 90215-21256, 90179 18020, 90215 21256, 9017918020, 9021521256
Compatible with
Yamaha Raptor 660R YFM660R 2001 2002 2003 2004 2005
Function
When the Front Sprocket Holder Lock Nut is rusted, or the Bolt Washer is damaged when replacing the Front Sprocket Holder, you need this kit to replace the Front Sprocket Holder Lock Nut & Bolt Washer, this kit is manufactured strictly according to the original parts standard size, it can perfectly replace the original parts.
Installation
The Lock washer has splines inside just like shaft, just line those splines up, and hold it's outer edge so to keep it engaging the splines then put the nut on. Use a wrench to tighten the nuts. Last fold over lock washer to keep firm.
Brian See
Reviewed in the United States on February 8, 2025
Delivered fastWorks well
Kelly A. Burton
Reviewed in the United States on January 12, 2025
Fit perfect and holds tight, not much more to ask from a nut and lock washer.
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