• Contains one (1) Exhaust Valve
  
• Original Fit - Designed and manufactured to work perfectly with your vehicle
• Made in Japan of the highest quality materials
•  Need Help? - Message us before purchase if you are unsure about the item fitting your vehicle

This item measures as follows: (Refer to last picture)
A: 28.50mm
B: 06.00mm
C: 92.60mm
Compatible with Yamaha part numbers:
5H0-12121-00-00; 5H0-12121-01-00; 5XT-12121-00-00
This item will fit the following Yamaha models/years:
1985 Moto-4 (YFM200N)
1986 Moto-4 (YFM200DXS)
1987 Moto-4 (YFM200DXT)
1988 Moto-4 (YFM200DXU)
1989 Moto-4 (YFM200DXW)
1983 YTM200 (YTM200K)
1984 YTM200 (YTM200L)
1985 YTM200 (YTM200N)
1983 YTM200E Yamahauler (YTM200EK)
1984 YTM200E Yamahauler (YTM200EL)
1985 YTM200E Yamahauler (YTM200ERN)
1986 Moto-4 (YFM225S)
1987 Moto-4 (YFM225T)
1988 Moto-4 (YFM225U)
1983 TRI Moto (YTM225DXK)
1984 TRI Moto (YTM225DXL)
1985 TRI Moto (YTM225DXN)
1985 TRI Moto (YTM225DRN)
1986 TRI Moto (YTM225DRS)
1989 Pro-4 Pro Hauler (YFU1W)
1989 Pro-4 Pro Hauler W-Turf Tires (YFU1TW)
1992 Timberwolf 2WD (YFB250D/D_MN)
1993 Timberwolf 2WD (YFB250E/E_MN)
1994 Timberwolf 2WD (YFB250F)
1995 Timberwolf 2WD (YFB250G/G_MN)
1995 Timberwolf 2WD (YFB250G_MNH)
1996 Timberwolf 2WD (YFB250H/H_MN)
1996 Timberwolf 2WD (YFB250UH/UH_M)
1997 Timberwolf 2WD (YFB250UJ/UJ_M)
1998 Timberwolf 2WD (YFB250UK)
1994 Timberwolf 4WD (YFB250FWF)
1995 Timberwolf 4WD (YFB250FWG)
1996 Timberwolf 4WD (YFB250FWH)
1997 Timberwolf 4WD (YFB250FWJ)
1998 Timberwolf 4WD (YFB250FWK)
1999 Timberwolf 4WD (YFB250FWL)
2000 Timberwolf 4WD (YFB250FWM)
1989 Moto-4 (YFM250W)
1990 Moto-4 (YFM250A)
1991 Moto-4 (YFM250B)
1999 Bear Tracker 2WD (YFM250XL)
1999 Bear Tracker 2WD (YFM250XLC)
2000 Bear Tracker 2WD (YFM250XM)
2000 Bear Tracker 2WD (YFM250XMC)
2001 Bear Tracker 2WD (YFM250XN)
2001 Bear Tracker 2WD Hunter Edition (YFM250XHN)
2002 Bear Tracker 2WD (YFM250XP)
2002 Bear Tracker 2WD RealTree (YFM250XHP)
2003 Bear Tracker 2WD (YFM250XR)
2004 Bear Tracker 2WD (YFM25XS)
2008 Raptor 250 (YFM25RXGY/RXL)
2008 Raptor 250 Special Edition (YFM25RSPX)
2008 Raptor 250 Special Edition II (YFM25RSP2X)
2009 Raptor 250 (YFM25RYL/RYW)
2009 Raptor 250 Special Edition (YFM25RSEY)
2009 Raptor 250 Special Edition II (YFM25RSE2Y)
2010 Raptor 250 (YFM25RZW)
2011 Raptor 250 (YFM25RAL/RAW)
2011 Raptor 250 Special Edition (YFM25RSPA)
2012 Raptor 250 (YFM25RBL/RBW)
2013 Raptor 250 (YFM25RDL/RDW)
1981 Exciter (SR185H)
1982 Exciter (SR185J)
1985 Big Wheel (BW200N)
1986 Big Wheel (BW200S)
1986 Big Wheel Electric Start (BW200ES)
1987 Big Wheel Electric Start (BW200ET)
1988 Big Wheel Electric Start (BW200EU)
1987 TW200 Trailway (TW200T/TC) 
1988 TW200 Trailway (TW200U/UC) 
1989 TW200 Trailway (TW200W/WC) 
1990 TW200 Trailway (TW200A/AC) 
1991 TW200 Trailway (TW200B/BC) 
1992 TW200 Trailway (TW200D/DC) 
1993 TW200 Trailway (TW200E/EC) 
1994 TW200 Trailway (TW200F/FC) 
1995 TW200 Trailway (TW200G/GC) 
1996 TW200 Trailway (TW200H/HC) 
1997 TW200 Trailway (TW200J/JC) 
1998 TW200 Trailway (TW200K/KC) 
1999 TW200 Trailway (TW200L/LC) 
2000 TW200 Trailway (TW200M/MC) 
2001 TW200 Trailway (TW200N/NC) 
2002 TW200 Trailway (TW200P/PC) 
2003 TW200 Trailway (TW200R/RC) 
2004 TW200 Trailway (TW200S/SC) 
2005 TW200 Trailway (TW200T1/T1C) 
2006 TW200 Trailway (TW200V/VC) 
2007 TW200 Trailway (TW200W1/W1C) 
2008 TW200 Trailway (TW200X/XC) 
2009 TW200 Trailway (TW200Y/YC) 
2010 TW200 Trailway (TW200Z/ZC) 
2011 TW200 Trailway (TW200A1/A1C) 
2012 TW200 Trailway (TW200B1/B1C) 
2013 TW200 Trailway (TW200D1/D1C) 
2014 TW200 Trailway (TW200E1/E1C) 
2015 TW200 Trailway (TW200F1/F1C) 
1982 XT200 (XT200J)
1983 XT200 (XT200K/KC)
1986 TT225 (TT225S)
1987 TT225 (TT225T)
1999 TTR225 (TTR225L/LC) 
2000 TTR225 (TTR225M/MC) 
2001 TTR225 (TTR225N/NC) 
2001 TTR225 (TT225RN/RNC) 
2002 TTR225 (TTR225P/PC) 
2003 TTR225 (TTR225R/RC) 
2004 TTR225 (TTR225S/SC) 
2005 TT-R230 (TTR230T/TC)
2006 TT-R230 (TTR230V)
2007 TT-R230 (TTR230W)
2008 TT-R230 (TTR230X)
2009 TT-R230 (TTR230Y)
2011 TT-R230 (TTR230A)
2012 TT-R230 (TTR230B)
2013 TT-R230 (TTR230D)
2014 TT-R230 (TTR230E)
2015 TT-R230 (TTR230F)
1992 XT225 Serow (XT225D/DC) 
1993 XT225 Serow (XT225E/EC) 
1994 XT225 Serow (XT225F/FC) 
1995 XT225 Serow (XT225G/GC) 
1996 XT225 Serow (XT225H/HC) 
1997 XT225 Serow (XT225J/JC) 
1998 XT225 Serow (XT225K/KC) 
1999 XT225 Serow (XT225L/LC) 
2000 XT225 Serow (XT225M/MC) 
2001 XT225 Serow (XT225N/NC) 
2002 XT225 Serow (XT225P/PC) 
2003 XT225 Serow (XT225R/RC) 
2004 XT225 Serow (XT225S/SC) 
2005 XT225 Serow (XT225T/TC) 
2006 XT225 Serow (XT225V/VC) 
2007 XT225 Serow (XT225W/WC) 
2008 XT250 (XT250X/XC) 
2009 XT250 (XT250Y/YC) 
2010 XT250 (XT250Z/ZC) 
2011 XT250 (XT250A/AC) 
2012 XT250 (XT250B/BC) 
2013 XT250 (XT250D/DC) 
2014 XT250 (XT250E/EC) 
2015 XT250 (XT250F/FC)