Description
Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.
Product Description
Front Sprocket Nut & Lock Washer Kit – Fits for Yamaha R6 1999-2006, YZF600 Thundercat, YZF1000 Thunderace, TDM850 – M18x1mm Thread
For YAMAHA changed thickness from 8 mm to 12 mm what prevents nut from unscrewing or damaging its thread.
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Fitment:
For YAMAHA R6 1999-2006
For YAMAHA YZF 600 THUNDERCAT 1995-2007
For YAMAHA YZF 1000 THUNDERACE 1997
For YAMAHA TDM 850 1993
Front Sprocket Nut & Lock Washer Kit – Fits for Yamaha R6 1999-2006, YZF600 Thundercat, YZF1000 Thunderace, TDM850 – M18x1mm Thread
Please confirm the size before ordering.
The thread is nominally 18 mm in diameter, with a pitch of two threads per 1 mm (M18x1 mm).
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Package Includes:
1 x front sprocket nut
1 x lock washer
Material: High quality Steel
Color: Silver
FRONT SPROCKET NUT AND WASHER KIT.
Thicker front sprocket nut for the gearbox output shaft.
Front Sprocket Nut & Lock Washer Kit – Fits for Yamaha R6 1999-2006, YZF600 Thundercat, YZF1000 Thunderace, TDM850 – M18x1mm Thread
Specifically designed to fit for Yamaha R6 (1999-2006), YZF600 Thundercat (1995-2007), YZF1000 Thunderace (1997), and TDM 850 (1993), ensuring a perfect match with OEM specs.
Made from high-quality steel with a corrosion-resistant silver finish, this nut and washer are built to withstand extreme riding conditions and long-term use.
The included locking washer tab ensures the nut stays tightly fastened to the gearbox output shaft, adding another layer of safety and performance.
Front Sprocket Nut & Lock Washer Kit – Fits for Yamaha R6 1999-2006, YZF600 Thundercat, YZF1000 Thunderace, TDM850 – M18x1mm Thread
This direct replacement kit requires no special tools or modifications. A simple, effective upgrade to your bike’s drivetrain security.
This kit includes a thicker 12mm sprocket nut—an upgrade for Yamaha’s original 8mm version—helping prevent thread damage or nut loosening under high torque conditions.
Front Sprocket Nut & Lock Washer Kit – Fits for Yamaha R6 1999-2006, YZF600 Thundercat, YZF1000 Thunderace, TDM850 – M18x1mm Thread Upgrade




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