[OE Number] 90179-18020 90215-21256 [Fitment] Suit for Yamaha 660R 2001 2002 2003 2004 2005, please check car make, model, year and OE number before purchase. [Feature] Adopting chromoly steel with durability and strict tolerances for a well alignment. 13 tooth bolt washer with CNC precision machined to stay durable and not easily deformed. [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 50 foot pounds wrench to tighten the nuts. Last fold over lock washer to keep firm. [Package] Include 1x Front Sprocket Holder Lock Nut, 1x Bolt Washer. Please check relevant video to get professional replace methods when install flywheel and stator. OE number: 90179-18020 90215-21256

Fitment:
For Yamaha 660R YFM660R 2005
For Yamaha 660R YFM660RSE Special Edition 2005
For Yamaha 660R YFM660R 2004
For Yamaha 660R YFM660R Limited Edition 2004
For Yamaha 660R YFM660R 2003
For Yamaha 660R YFM660R 2002
For Yamaha 660R YFM660R Limited Edition 2002
For Yamaha 660R YFM660R 2001
Please check car make, model, year and OE number before purchase


Specification
Condition: New
Color: Silver Tone
Material: Steel
Front Sprocket Nut Size: 3.5*1.7cm/1.4*0.7in
Washer Size: 3.6*0.7cm/1.4*0.3in
Installation Position: Inside Flywheel
Include: 1x Front Sprocket Holder Lock Nut, 1x Bolt Washer.


Feature
Chromoly steel with durability and strict tolerances for a well alignment.
13 tooth bolt washer with CNC precision machined to stay durable and not easily deformed.


Installation
The Lock washer has splines inside just like shaft, line those splines up, and hold it's outer edge to keep it engaging the splines, then put the lock nut on.
Use a 50 foot pounds wrench to tighten the nuts.
Fold over the lock washer to keep firm.


Notice
This is a non-OEM product, accessory only!
*Please allow 0.1~0.5cm measure error.
*Please search "Make/model+flywheel and stator installation" video to get professional methods.