MISC YAMAHA ENGINE, PARTS, AND FRAME Identification page
In an effort to help fellow bikers properly ID their bike I have provided the following information on VIN ( Vehicle Identification Number ) , Engine ID and part identification.
All the information provided is to the best of my knowledge correct.
As we part more bikes out we will add more information to this chart.
If you find something that is not accurate, please let us know and we will fix it.
This information is not intended for use outside of this web site or for publication.
In other words, use this information at your own risk.
| | | | engine id | | | | | | | | | | | | rear brake arm | rear brake lever |
| 1974 | YZ80A | 462-000101 | | | | | | | | | | | | | | |
| 1974 | YZ125A | 453-000101 | | | | | | | | | | | | | | |
| 1974 | YZ250A | 431-000101 | | | | | | | | | | | | | | |
| 1974 | YZ360A | 432-000101 | | | | | | | | | | | | | | |
| 1975 | YZ80B | 492-000101 | | | | | | | | | | | | | | |
| 1975 | YZ125B | 453-100101 | | | | | | | | | | | | | | |
| 1975 | YZ250B | 483-000101 | | | | | | | | | | | | | | |
| 1975 | YZ360B | 484-000101 | | | | | | | | | | | | | | |
| 1976 | YZ80C | 598-000101 | | | | | | | | | | | | | | |
| 1976 | YZ100C | 1J4-000101 | | | | | | | | | | | | | | |
| 1976 | YZ125C | 537-000101 | | | | | | | | | | | | | | |
| 1976 | YZ175C | 1L8-000101 | | | | | | | | | | | | | | |
| 1976 | YZ250C | 509-100101 | | | | | | | | | | | | | | |
| 1976 | YZ400C | 510-100101 | | | | | | | | | | | | | | |
| 1976 1/2 | YZ125X | 1G8-000101 | | | | | | | | | | | | | | |
| 1977 | YZ80D | 1T0-000101 | | | | | | | | | | | | | | |
| 1977 | YZ100D | 1J4-000101 | | | | | | | | | | | | | | |
| 1977 | YZ125D | 1W1-000101 | | | | | | | | | | | | | | |
| 1977 | YZ250D | 1W3-000101 | | | | | | | | | | | | | | |
| 1977 | YZ400D | 1W4-000101 | | | | | | | | | | | | | | |
| 1978 | YZ80E | 2J5-000101 | | | | | | | | | | | | | | |
| 1978 | YZ100E | 2K5-000101 | | | | | | | | | | | | | | |
| 1978 | YZ125E | 2K6-000101 | | | | | | | | | | | | | | |
| 1978 | YZ250E | 2K7-000101 | | | | | | | | | | | | | | |
| 1978 | YZ400E | 2K8-000101 | | | | | | | | | | | | | | |
| 1979 | YZ80F | 2X6-000101 | | | | | | | | | | | | | | |
| 1979 | YZ100F | 2W5-000101 | | | | | | | | | | | | | | |
| 1979 | YZ125F | 2X3-000101 | | | | | | | | | | | | | | |
| 1979 | YZ250F | 2X4-000101 | | | | | | | | | | | | | | |
| 1979 | YZ400F | 2X5-000101 | | | | | | | | | | | | | | |
| 1980 | YZ50G | 3R0-000101 | | | | | | | | | | | | | | |
| 1980 | YZ80G | 3R1-000101 | | | | | | | | | | | | | | |
| 1980 | YZ100G | 3R2-000101 | | | | | | | | | | | | | | |
| 1980 | YZ125G | 3R3-000101 | | | | | | | | | | | | | | |
| 1980 | YZ250G | 3R4-000101 | | | | | | | | | | | | | | |
| 1980 | YZ465G | 3R5-000101 | | | | | | | | | | | | | | |
| 1981 | YZ60H | 4V0-000101 | | | | | | | | | | | | | | |
| 1981 | YZ80H | 4V1-000101 | | | | | | | | | | | | | | |
| 1981 | YZ100H | 3R2-020101 | | | | | | | | | | | | | | |
| 1981 | YZ125H | 4V2-000101 | | | | | | | | | | | | | | |
| 1981 | YZ250H | 4V3-000101 | | | | | | | | | | | | | | |
| 1981 | YZ465H | 4V4-000101 | | | | | | | | | | | | | | |
| 1982 | YZ60J | | | | | | | | | | | | | | | |
| 1982 | YZ80J | 5X2-000101 | | | | | | | | | | | | | | |
| 1982 | YZ100J | 5X3-000101 | | | | | | | | | | | | | | |
| 1982 | YZ125J | 5X4-000101 | | | | | | | | | | | | | | |
| 1982 | YZ250J | 5X5-000101 | | | | | | | | | | | | | | |
| 1982 | YZ490J | 5X6-000101 | | | | | | | | | | | | | | |
| 1983 | YZ60K | | | | | | | | | | | | | | | |
| 1983 | YZ80K | 22W-000101 | | | | | | | | | | | | | | |
| 1983 | YZ100K | 5X3-060101 | | | | | | | | | | | | | | |
| 1983 | YZ125K | 24X-000101 | | | | | | | | | | | | | | |
| 1983 | YZ250K | 24Y-000101 | | | | | | | | | | | | | 21" to C/L opf mounting holes | |
| 1983 | YZ490K | 23X-000101 | | | | | | | | | | | | | | |
| 1984 | YZ80L | 39K-000101 | | | | | | | | | | | | | | |
| 1984 | YZ125L | 39W-000101 | | | | | | | | | | | | | | The pivot ID is 12mm. |
| 1984 | YZ250L | 39X-000101 | | | | | | | | | | | | | | From the C/L of the pivot ID to the end of the lever is approximately 123mm. |
| 1984 | YZ490L | 40T-000101 | | | | | | | | | | | | | | The rod actuation hole ID is 6mm. |
| 1985 | YZ80N | 58T-00 | | | | | | | | | | | | | | The C/L of the rod actuation hole and pivot hole is 39mm. |
| 1985 | YZ125N | 55Y-000101 | | | | | | | | | | | | | | |
| 1985 | YZ250N | 56A-00 | | | | | | | | | | | | | | |
| 1985 | YZ490N | 40T-00 | | | | | | | | | | | | | | |
| 1986 | YZ80S | 1LR-00 | | | | | | | | | | | | | | |
| 1986 | YZ125S | 1LX-00 | | | | | | | | | | | | | | |
| 1986 | YZ250S | 1LU-00 | | | | | | | | | | | | | | |
| 1986 | YZ490S | 1LV-00 | | | | | | | | | | | | | | |
| 1987 | YZ80T | 2HF-00 | | | | | | | | | | | | | | |
| 1987 | YZ125T | 2HG-00 | | | | | | | | | | | | | | |
| 1987 | YZ250T | 2HH-00 | | | | | | | | | | | | | | |
| 1987 | YZ490T | 2HJ-00 | | | | | | | | | | | | | | |
| 1988 | YZ80U | 2VE-00 | | | | | | | | | | | | | | |
| 1988 | YZ125U | 2VN-00 | | | | | | | | | | | | | | |
| 1988 | YZ250U | 2VM-00 | | | | | | | | | | | | | | |
| 1988 | YZ490U | 2HJ-00 | | | | | | | | | | | | | | |
| 1989 | YZ80W | 3MK-00 | | | | | | | | | | | | | | |
| 1989 | YZ125W | 3JD-00 | | | | | | | | | | | | | | |
| 1989 | YZ250W | 3JE-00 | | | | | | | | | | | | | | |
| 1989 | YZ490W | 2HJ-00 | | | | | | | | | | | | | | |
| 1990 | YZ80A1 | 2??-00 | | | | | | | | | | | | | | |
| 1990 | YZ125A1 | 3SR-00 | | | | | | | | | | | | | | |
| 1990 | YZ250A1 | 3SP-00 | | | | | | | | | | | | | | |
| 1990 | YZ490A1 | 2HJ-00 | | | | | | | | | | | | | | |
| 1991 | YZ80B1 | 2HF-00 | | | | | | | | | | | | | | |
| 1991 | YZ125B1 | 3XJ-00 | | | | | | | | | | | | | | |
| 1991 | YZ250B1 | 3XK-00 | | | | | | | | | | | | | | |
| 1992 | YZ80D1 | 2HF-00 | | | | | | | | | | | | | | |
| 1992 | YZ125D1 | 4DB-00 | | | | | | | | | | | | | | |
| 1992 | YZ250D1 | 4DA-00 | | | | | | | | | | | | | | |
| 1993 | YZ80E1 | 4ES-00 | | | | | | | | | | | | | | |
| 1993 | YZ125E1 | 4EX-00 | | | | | | | | | | | | | | |
| 1993 | YZ250E1 | 4EW-00 | | | | | | | | | | | | | | |
| 1994 | YZ80F1 | 4ES-00 | | | | | | | | | | | | | | |
| 1994 | YZ125F1 | 4JY-00 | | | | | | | | | | | | | | |
| 1994 | YZ250F1 | 4JX-00 | | | | | | | | | | | | | | |
| 1995 | YZ80G1 | 4ES-00 | | | | | | | | | | | | | | |
| 1995 | YZ125G1 | 4PE-00 | | | | | | | | | | | | | | |
| 1995 | YZ250G1 | 4MX-00 | | | | | | | | | | | | | | |
| 1996 | YZ8H1 | 4ES-00 | | | | | | | | | | | | | | |
| 1996 | YZ125H1 | 4SS-00 | | | | | | | | | | | | | | |
| 1996 | YZ250H1 | 4SR-00 | | | | | | | | | | | | | | |
| 1997 | YZ80J1 | 4ES-00 | | | | | | | | | | | | | | |
| 1997 | YZ125J1 | 4XM-00 | | | | | | | | | | | | | | |
| 1997 | YZ250J1 | 4XL-00 | | | | | | | | | | | | | | |
| 1998 | YZ80K1 | 4ES-00 | | | | | | | | | | | | | | |
| 1998 | YZ125K1 | 5DH-00 | | | | | | | | | | | | | | |
| 1998 | YZ250K1 | 4XL-00 98 | | | | | | | | | | | | | | |
| 1999 | YZ80L1 | 4ES-00; | | | | | | | | | | | | | | |
| 1999 | YZ125L1 | 5ET-00 | | | | | | | | | | | | | | |
| 1999 | YZ250L1 | 5CU-00 | G103E-007925 | | | | | | | | | | | | | |
| 1999 | YZF400L1 | 5GR-00 | 5BE01 Y-1 | | | | | | | | | | | | | |
| 2000 | YZ80M1 | 4ES-00 | | | | | | | | | | | | | | |
| 2000 | YZ125M1 | 5HD-00 | | | | | | | | | | | | | | |
| 2000 | YZ250M1 | 5HC-00 | | | | | | | | | | | | | | |
| 2000 | YZF426M1 | 5JG-00 | | | | | | | | | | | | | | |
| 2001 | YZ80N1 | 4ES-00 | | | | | | | | | | | | | | |
| 2001 | YZ125N1 | 5MV-00 | | | | | | | | | | | | | | |
| 2001 | YZ250N1 | 5MW-00 | g105e-019424 | | | | | | | | | | | | | |
| 2001 | YZF250N1 | 5NL-00 | | | | | | | | | | | | | | |
| 2001 | YZF426N1 | 5JG-00 | | | | | | | | | | | | | | |
| 2002 | YZ85P1 | 5PA-00 | | | | | | | | | | | | | | |
| 2002 | YZ125P1 | 5NY-00 | | | | | | | | | | | | | | |
| 2002 | YZ250P1 | 5NX-00 | | | | | | | | | | | | | | |
| 2002 | YZF250P1 | 5SG-00 | | | | | | | | | | | | | | |
| 2002 | YZF426P1 | 5SF-00 | | | | | | | | | | | | | | |
| 2003 | YZ85R1 | 5PA-00 | | | | | | | | | | | | | | |
| 2003 | YZ125R1 | 5UN-00 | | | | | | | | | | | | | | |
| 2003 | YZ250R1 | 5UP-00 | | | | | | | | | | | | | | |
| 2003 | YZF250R1 | 5UL-00 | | | | | | | | | | | | | | |
| 2003 | YZF450R1 | 5TA-00 | | | | | | | | | | | | | | |
| 2004 | YZ85S1 | 5PA-00 | | | | | | | | | | | | | | |
| 2004 | YZ125S1 | | | | | | | | | | | | | | | |
| 2004 | YZ250S1 | | | | | | | | | | | | | | | |
| 2004 | YZF250S1 | | | | | | | | | | | | | | | |
| 2004 | YZF450S1 | | | | | | | | | | | | | | | |
| 2005 | YZ85T1 | | | | | | | | | | | | | | | |
| 2005 | YZ125T1 | | | | | | | | | | | | | | | |
| 2005 | YZ250T1 | | | | | | | | | | | | | | | |
| 2005 | YZF250T1 | | | | | | | | | | | | | | | |
| 2005 | YZF450T1 | J319E-004524 | | | | | | | | | | | | | | |
| 2006 | YZ85U1 | | | | | | | | | | | | | | | |
| 2006 | YZ125U1 | | | | | | | | | | | | | | | |
| 2006 | YZ250U1 | | | | | | | | | | | | | | | |
| 2006 | YZF250U1 | | | | | | | | | | | | | | | |
| 2006 | YZF450U1 | | | | | | | | | | | | | | | |
| 2006 | YZF250U1 | | | | | | | | | | | | | | | |
| 2006 | YZF450U1 | | | | | | | | | | | | | | | |