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YAMAHA YZ SERIES MOTOCROSS BIKES 1974 - 2010
Year Size Model Designator Model Number Serial Number Prod Qty  

1974 80 YZ80A   462-000101 9661  
1974 125 YZ125A   453-000101 7730  
1974 250 YZ250A   431-000101 4104 NOTE: The 1974 Models Were Silver W/Red Stripes And The Tank Was Held Down By Straps On The 125/250/360's.
1974 500 YZ360A   432-000101 631  
1975 80 YZ80B   492-000101 18570  
1975 125 YZ125B   453-100101 101620  
1975 250 YZ250B   483-000101 2759 NOTE: The 1975 Models Were Yellow W/Black+White "C" Checkerboard Stripes. The Tanks Were Held Down By Straps As Well. This Is The Last Year Of The "Strap Tank" And The First Year Of The Monoshock For The 125/250/360's.
1975 500 YZ360B   484-000101 1459  
1976 80 YZ80C   598-000101 12750  
1976 100 YZ100C   1J4-000101 3470  
1976 125 YZ125C   537-000101 14044  
1976 175 YZ175C   1L8-000101 1610  
1976 250 YZ250C   509-100101 103405 NOTE: The 1976 Models Were Yellow And All Were Monoshock Except The YZ80C. This Is The Last Year Of The Aluminum Tank And The First Year Of The Completely New Chassis/Engine Combination.
1976 500 YZ400C   510-100101 101838  
1976 1/2 125 YZ125X   1G8-000101 7120  
1977 80 YZ80D   1T0-000101 20290  
1977 100 YZ100D   1J4-000101 103550  
1977 125 YZ125D   1W1-000101 15610  
1977 250 YZ250D   1W3-000101 6520 NOTE: This Is The First Year Of The Plastic Tank, Used On All Bikes Except The YZ80, YZ100. It Was Also A Completely Different Frame/Monoshock/Engine Design For The 125/250/400 Models. Bob (Hurricane) Hannah Raced An Almost Completely Stock YZ250D In His Sucessful 1977 Season.
1977 500 YZ400D   1W4-000101 6720  
1978 80 YZ80E   2J5-000101    
1978 100 YZ100E   2K5-000101 6572  
1978 125 YZ125E   2K6-000101 15080  
1978 250 YZ250E   2K7-000101 9850  
1978 500 YZ400E   2K8-000101 7406  
1979 80 YZ80F   2X6-000101    
1979 100 YZ100F   2W5-000101 n/a  
1979 125 YZ125F   2X3-000101 n/a  
1979 250 YZ250F   2X4-000101 n/a  
1979 500 YZ400F   2X5-000101 n/a  
1980 50 YZ50G   3R0-000101    
1980 80 YZ80G   3R1-000101    
1980 100 YZ100G   3R2-000101    
1980 125 YZ125G 3N8? 3R3-000101   NOTE: This Is The Last Year Of Air Cooling on the YZ125. First year of sprocket & rear brake both on right side on 125
1980 250 YZ250G   3R4-000101    
1980 500 YZ465G   3R5-000101    
1981 60 YZ60H   4V0-000101    
1981 80 YZ80H   4V1-000101    
1981 100 YZ100H   3R2-020101    
1981 125 YZ125H   4V2-000101   NOTE: This Is The First Year Of The Watercooling on the YZ125, the rad was up in front of the bars
1981 250 YZ250H   4V3-000101    
1981 500 YZ465H   4V4-000101    
1982 60 YZ60J        
1982 80 YZ80J   5X2-000101    
1982 100 YZ100J   5X3-000101    
1982 125 YZ125J   5X4-000101   NOTE: In 1982 yamaha put the first yamaha power valve system(ypvs) on the yz125 and yz250.
1982 250 YZ250J   5X5-000101   NOTE: This Is The First Year Of The Watercooling on the YZ250, New Mono-X design, White/red bikes in Canada
1982 500 YZ490J   5X6-000101    
1983 60 YZ60K        
1983 80 YZ80K   22W-000101    
1983 100 YZ100K   5X3-060101    
1983 125 YZ125K   24X-000101   NOTE: Rads came off the bars to either side of the tank on 125 & 250. Another new mono-x design!
1983 250 YZ250K   24Y-000101    
1983 500 YZ490K   23X-000101    
1984 80 YZ80L   39K-000101    
1984 125 YZ125L   39W-000101   NOTE: YZ60 & 100 Not made any more.
1984 250 YZ250L   39X-000101    
1984 500 YZ490L   40T-000101    
1985 80 YZ80N   58T-00    
1985 125 YZ125N   55Y-000101   NOTE: This Is The First Year Of White/red bikes in USA. BASS system on 125 & 250
1985 250 YZ250N   56A-00    
1985 500 YZ490N   57H-00    
1986 80 YZ80S   1LR-00    
1986 125 YZ125S   1LX-00   NOTE: Sprocket switched back to left side on 125
1986 250 YZ250S   1LU-00    
1986 500 YZ490S   1LV-00    
1987 80 YZ80T   2HF-00    
1987 125 YZ125T   2HG-00    
1987 250 YZ250T   2HH-00    
1987 500 YZ490T   2HJ-00    
1988 80 YZ80U   2VE-00    
1988 125 YZ125U   2VN-00    
1988 250 YZ250U   2VM-00    
1988 500 YZ490U   2HJ-00    
1989 80 YZ80W   3MK-00    
1989 125 YZ125W   3JD-00   NOTE: Upside down forks started this year on 125 & 250
1989 250 YZ250W   3JE-00    
1989 500 YZ490W   2HJ-00    
1990 80 YZ80A1   2??-00    
1990 125 YZ125A1   3SR-00    
1990 250 YZ250A1   3SP-00    
1990 500 YZ490A1   2HJ-00    
1991 80 YZ80B1   2HF-00    
1991 125 YZ125B1   3XJ-00    
1991 250 YZ250B1   3XK-00    
1992 80 YZ80D1   2HF-00    
1992 125 YZ125D1   4DB-00    
1992 250 YZ250D1   4DA-00    
1993 80 YZ80E1   4ES-00   NOTE: Upside down forks started this year on 80
1993 125 YZ125E1   4EX-00    
1993 250 YZ250E1   4EW-00    
1994 80 YZ80F1   4ES-00    
1994 125 YZ125F1   4JY-00    
1994 250 YZ250F1   4JX-00    
1995 80 YZ80G1   4ES-00    
1995 125 YZ125G1   4PE-00    
1995 250 YZ250G1   4MX-00    
1996 80 YZ8H1   4ES-00    
1996 125 YZ125H1   4SS-00    
1996 250 YZ250H1   4SR-00    
1997 80 YZ80J1   4ES-00    
1997 125 YZ125J1   4XM-00    
1997 250 YZ250J1   4XL-00    
1998 80 YZ80K1   4ES-00    
1998 125 YZ125K1   5DH-00    
1998 250 YZ250K1   4XL-00 98    
1999 80 YZ80L1   4ES-00;    
1999 125 YZ125L1   5ET-00    
1999 250 YZ250L1   5CU-00    
1999 400F YZF400L1   5GR-00    
2000 80 YZ80M1   4ES-00    
2000 125 YZ125M1   5HD-00    
2000 250 YZ250M1   5HC-00    
2000 426F YZF426M1   5JG-00    
2001 80 YZ80N1   4ES-00    
2001 125 YZ125N1   5MV-00    
2001 250 YZ250N1   5MW-00    
2001 250F YZF250N1   5NL-00    
2001 426F YZF426N1   5JG-00    
2002 85 YZ85P1   5PA-00    
2002 125 YZ125P1   5NY-00    
2002 250 YZ250P1   5NX-00    
2002 250F YZF250P1   5SG-00    
2002 426F YZF426P1   5SF-00    
2003 85 YZ85R1   5PA-00    
2003 125 YZ125R1   5UN-00    
2003 250 YZ250R1   5UP-00    
2003 250F YZF250R1   5UL-00   NOTE: This is Don's favorite bike ever!
2003 450F YZF450R1   5TA-00    
2004 85 YZ85S1   5PA-00    
2004 125 YZ125S1        
2004 250 YZ250S1        
2004 250F YZF250S1        
2004 450F YZF450S1        
2005 85 YZ85T1        
2005 125 YZ125T1       NOTE: First year aluminum frame!
2005 250 YZ250T1       NOTE: First year aluminum frame!
2005 250F YZF250T1        
2005 450F YZF450T1        
2006 85 YZ85U1        
2006 125 YZ125U1        
2006 250 YZ250U1        
2006 250F YZF250U1       NOTE: First year aluminum frame!
2006 450F YZF450U1       NOTE: First year aluminum frame!
2006 250FSE YZF250U1       NOTE: 50TH Anniversary - Yellow/Black
2006 450FSE YZF450U1       NOTE: 50TH Anniversary - Yellow/Black

Back to Craig's YZ page
Copyright;  Craig's YZ page 2006 Ontario, Canada Webmaster;  Craig Macmillan
Over the years I have "borrowed" alot of these pictures from the internet, If you know who's pictures they are I can give credit where credit is due, Just let me know. If you have any pictures of the bikes I am missing please let me know and I will add them so people can see what they looked like. If you have any other information that you think should be added or you see an error, please let me know. This page is just for fun. Thanks.