Ring, transmission, rear

FITTING OF THIS PRODUCT:
According to the data provided by the manufacturer, this article is valid for the following brands, models and years:
KREIDLER Mustang Utility 170: 2004-2006
YAMAHA DT 400: 1975-1976
YAMAHA DT MX 250: 1980-1980
YAMAHA DT MX 400: 1977-1977
YAMAHA DT R-W/D/E/F/G 2YY 200: 1989-1995
YAMAHA IT D/E/F 250: 1977-1979
YAMAHA IT D/E/F 400: 1977-1979
YAMAHA IT G/H/J 175: 1980-1982
YAMAHA IT H/J 250: 1981-1982
YAMAHA IT H/J 465: 1981-1982
YAMAHA IT K 175: 1983-1983
YAMAHA IT K/L 250: 1983-1984
YAMAHA IT K/L 490: 1983-1984
YAMAHA IT L/N/S 200: 1984-1986
YAMAHA SR (520 Chain Conversion) 500: 1991-2000
YAMAHA TT E 600: 1996-2000
YAMAHA TT R 600: 1998-2003
YAMAHA TT D/E/F/G 500: 1977-1980
YAMAHA TT E 600: 1996-2000
YAMAHA TT L/N/S/T/A/B/D 600: 1983-1992
YAMAHA TT R 4PX9 250: 2003-2004
YAMAHA TT R 600: 1998-2003
YAMAHA TT S/T/W/A/B 250: 1989-1992
YAMAHA TT S/T/W/A/B 350: 1986-1992
YAMAHA WR A 250: 1990-1990
YAMAHA WR F-K 400: 1998-1998
YAMAHA WR R-B/D/E/F 200: 1991-1994
YAMAHA WR V 250: 1989-1989
YAMAHA WR ZB/ZD 250: 1991-1992
YAMAHA WR ZD 500: 1992-1992
YAMAHA WR ZE 250: 1993-1993
YAMAHA WR ZE/ZF 500: 1993-1994
YAMAHA WR ZF 250: 1994-1994
YAMAHA WR ZG 250: 1995-1995
YAMAHA WR ZH 250: 1996-1996
YAMAHA WR ZJ 250: 1997-1997
YAMAHA WR ZK 250: 1998-1998
YAMAHA XT D/E/F/G/H 500: 1977-1985
YAMAHA YFM RLE-S Raptor - Ltd Edition Black 660: 2004-2004
YAMAHA YFM R-N/P/R/S/T Raptor 660: 2001-2005
YAMAHA YFM X-L/M/N/P/R/S Warrior 350: 1999-2004
YAMAHA YFS L/M/N/P/R/S/T/V Blaster 200: 1999-2006
YAMAHA YFS U/W/A/B/D/E/F/G/H/J/K Blaster 200: 1988-1998
YAMAHA YFZ L/M/N/P/R/S/T/V Banshee 350: 1999-2006
YAMAHA YFZ LE-S Banshee - Ltd Edition Black 350: 2004-2004
YAMAHA YFZ W/B/D/E/F/G/H/J/K Banshee 350: 1989-1998
YAMA