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  • Kawasaki Z1 900 Info
  • VIN Identification
  • Z1 Frame / Engine Number Location
  • 1973 Z1 900
  • 1974 Z1-A
  • 1975 Z1-B
  • 1976 KZ900
  • 1977 - 1980 KZ1000
  • Kawasaki H1 500
  • Kawasaki H2 750
  • Date Codes
  • S3 / KH400
  • How the Z1 Was Made
  • Replacement Frame Info
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  • Kawasaki Z1 900 value guide
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  • 1972 1973 S2 350
  • Z1 Buyers Guide
  • Z1 Genuine Parts
  • KZ1000 Z1R

Z1 / kz900 / Z2

1973 Z1 900
Frame  Number: Z1F-00001 to Z1F-20000
Engine Number: Z1E 00001 to Z1E 20000

1974 Z1A

Frame  Number: Z1F-20001 to Z1F-47499
Engine Number: Z1E 20001 to Z1E 047499

1975 Z1B
Frame  Number: Z1F-47500 to Z1F-85700
Engine Number: Z1E 047500 to Z1E 085850

1976 KZ900

Frame  Number: Z1F-85701 to Z1F-117060
Engine Number: Z1E 086001 to Z1E 138846
1976 KZ900-A4 (Made in USA)
Frame  Number: Z1F-500001 to Z1F-510340
Engine Number: Z1E 086001 to Z1E 138846
1976 KZ900 LTD

Frame: KZ900B-500011 to KZ900B-505514
Engine Number: 
Z1E 108503 to Z1E 138846

1976 KZ900 Police
First Frame Number: KZ900C-500001
1977 KZ900-A5
Frame  Number: Z1F-510341 to Z1F-515578
Engine Number: Z1E 086001 to Z1E 138846

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Z2 ( 750-RS )
1973 Z2 ...............Frame Number: Z2F-00001
1974 Z2A ............
Frame Number: Z2F-03668
1975 Z2B ............
Frame Number: Z2F-10337
1976 Z750A4 .....
Frame Number: Z2F-16427
1977 Z750A5 ......
Frame Number: Z2F-18403
1978 Z750D1 .....
Frame Number: Z750D-000101
Z-1 Info
Z1-A Info
Z1-B Info

Frame Identification Simplified
Prefix before serial numbers:
Z1F- (Z1, Z900 KZ900)
Z2F- (Z2, Z750RS)
Z2P (Z2 Police)
Z1P- (Z1 Police)
Z750D- (Z750RS)
KZ900B- (KZ900 LTD)
KZ900C- (KZ900 Police)
KZT00A- (KZ1000, Z1000, MK.II)
KZT00B- (KZ1000 LTD)
KZT00C- (KZ1000 Police)
KZT00D- (Z1R & Z1R-TC)
KZT00E- (KZ1000 ST Shaft Drive)
KZT00G- (Z1 Classic Fuel Injected)
KZT00H- (Z1000
Fuel Injected)
​KZT30A- (KZ1300)
KZ650B- (KZ650)
KZ650C- (KZ650 Custom)
​KZ650D- (KZ650 SR)
KZ750B- (KZ750 Twin)
KZ750E- (KZ750 Four)
K4- (KZ400 twin)
K4S-(KZ400 Special)
KZ400A- (KZ400)
K5- (KX400, XK450)
F3- (Bushwacker)
A7- (Avenger)
F5F- (Bighorn)
​W1F- (Commander W1 & W2)

*1981 models & newer use 16 digit VIN numbers*
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3 Cylinder Two Stroke Triples
Prefix before frame numbers:
KAF-(1969-1972 H1 500 Mach III)
H1F- (1973-1976 H1 500, KH500)
H2F- (H2 750 Mach IV)

S1F- (S1 250 Mach I)
S2F- (1972 S2 350 Mach II)
S2T- (1973 S2A 350 Mach II)
S3F- (S3 400, KH400)
KH250B- (KH250B)

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H1 Mach III
1969 H1 500cc ...............KAF-00001 
/ KAE 00001
1970 H1 500cc ...............KAF-06727 / KAE 06315
1971 H1A 500cc ..............KAF-23626 
/ KAE 21876
1972 H1B 500cc (Disc break) .......KAF-48763 / KAE 54101
1972 H1C 500cc (Drum break).....KAF-48664
1973 H1D 500cc .............H1F-00001

1974 H1E 500cc ..............H1F-17001 
/ KAE 87001
1975 H1F 500cc ..............H1F-32400 / KAE 102400
1976 KH500-A ................H1F-47000 / KAE 117100

H2 Mach IV
1972 H2 750cc .......H2F-00001 / H2E 00001
1973 H2A 750cc ....H2F-23671 
/ H2E 23158
1974 H2B 750cc ....H2F-32201 / H2E 32401
1975 H2C 750cc ....H2F-42547 / H2E 42827

S1 Mach I / KH250
1972 S1 250cc .........S1F-00001 / 
S1E 00001
1973 S1A 250cc ......S1F-04691 / S1E 05494
1974 S1B 250cc ......S1F-12001 / S1E 12001
1975 S1C 250cc ......S1F-16300 / S1E 17100
1976 KH250-A5 .... S1F-24400 / S1E 26600
1976 KH250-B1 ..... KH250B-00001 / S1E 028801
1977 KH250-B2 ..... KH250B-08601 / S1E 038401
1978 KH250-B3 ..... KH250B-018501 / S1F 048301
1979 KH250-B4 ..... KH250B-025001
1980 KH250-B5 ..... KH250B-028701


S2 Mach II
1972 S2 350cc .........S2F-00001 / 
S2E 00001
1973 S2A 350cc ......S2T-00001 / S2E 028226

S3 / KH400
​1974 S3 400cc ........................S3F-00001
1975 S3A 400cc .....................S3F-14300
1976 KH400-A3 400cc .......S3F-26200
1977 KH400-A4 400cc ........S3F-33601
1978 KH400-A5 400cc .......S3F-42801
1979 KH400-A6 400cc .......S3F-45901
1980 KH400-A7 400cc .......S3F-46601
​
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KZ1000 1977 - 1980

1977 KZ1000
Frame:
  KZT00A-000101 to KZT00A-026623
Engine: KZT00AE 000101 to KZT00AE 041170
1977 KZ1000 (Made in USA)
Frame
:  KZT00A-500001 to KZT00A-507026
Engine: KZT00AE 004018 to KZT00AE 041170
1977 KZ1000 LTD 
Frame
:  KZT00B-500001 to KZT00B-507530
Engine: KZT00AE 000101 to KZT00AE 044022
1978 KZ1000
Frame
:  KZT00A-027501 to KZT00A-037430
Engine: KZT00AE 042501 to KZT00AE 058140
1978 KZ1000 (Made in USA)
Frame
:  KZT00A-507027 to KZT00A-519537
Engine: KZT00AE 040605 to KZT00AE 075473
1978 KZ1000 LTD
Frame:  KZT00B-507531 to KZT00B-515536
Engine: KZT00AE 057037 to KZT00AE 
075473
1978 KZ1000 Z1R
Frame
:  KZT00D-000101 to KZT00D-017392
Engine: KZT00DE 000101 to KZT00DE 017412

1978 KZ1000 Police
Frame
:  KZT00C-500001 to KZT00C-501513
Engine: KZT00AE 000101 to KZT00AE 082034
1979 KZ1000 LTD
Frame:  
KZT00B-515537 to KZT00B-523543
Engine: KZT00AE 081569 to KZT00AE 090730
1979 KZ1000
Frame:
  KZT00A-038430 to KZT00A-042755
Engine: KZT00AE 075474 to KZT00AE 081568
1979 KZ1000 (Made in USA)
Frame:  KZT00A-519538 to KZT00A-523550
Engine: KZT00AE 081569 to KZT00AE 090730

1979 KZ1000ST ShaftDrive
Frame:
  KZT00E-000101 to KZT00E-009445
Engine: KZT00EE 000101 to KZT00EE 009461
1979 KZ1000 Z1R
Frame:  KZT00D-017501 to KZT00D-017800
Engine: KZT00DE 017501 to KZT00DE 017615

1979 KZ1000 Police
Frame:
  KZT00C-501514 to KZT00C-502516
Engine: KZT00AE 082035 to KZT00AE 090730
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1980 KZ1000 LTD
Frame:  KZT00B-523544 to KZT00B-535555
Engine: KZT00AE 092601 to KZT00AE 110764

1980 KZ1000
Frame:  KZT00A
-523551 to KZT00A-527553
Engine: KZT00AE 092601 to KZT00AE 110764
​
1980 KZ1000 Z1R
Frame
:  KZT00D-017801 To KZT00D-021109
Engine: KZT00DE 017616 To KZT00D 021069

1980 KZ1000ST Shaft Drive
Frame:
  KZT00E-010001 To KZT00E-015966
Engine: KZT00EE 010001 To KZT00EE 015972

1980 KZ1000 (Z1 Classic)
Frame:  KZT00G-500001 To KZT00G-503205
Engine: KZT00GE 000001 To KZT00GE 003357

1980 KZ1000 Police
Frame:  KZT0
0C-502517 To KZT00C-503513
Engine: KZT00AE 090731 To KZT00AE 111503
​
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​

1981 the J Model engine was introduced.
*1981 the 16 Character VIN number was introduced

Special Edition Models
1978 KZ1000 Spirit of America (Limited to 200)
Frame numbers begin KZTOOA516###
Numbered from 1 to 200 on the gas tank

​1978 Z1R-TC Turbo
1979 Z1R-TC II Turbo 
Lots of TC clones exist since the ATP turbo kit was sold separately. Authentic ones have labels THIS VEHICLE WAS ALTERED BY TURBO CYCLE CORP with the date it was altered.
1982 1000S1 Racer
1982 KZ1000R ELR:
Frame Numbers Begin at: JKAKZCR1#CA000001
Engine numbers begin at: KZT00JE031001

1983 KZ1000-R2 ELR:
Frame Number start at: 
JKAKZCR1#DA001101
Engine numbers begin at: KZT00JE039301
1984 KZ1100R
Frame numbers begin at: JKAKZBR1#EA000001
Engine numbers begin at: KZT10BE029301
Factory Racers: H1R KR750 KR250 KR350 KR500
​H2-R First available to purchase March 1973
*Some countries received different models the US did not get, Different color variants & trim.
​
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KD80 (80cc)
1975 KD080A-0000001
1976 KD080A-0002100

MC1 & KM90 (90cc Mini)
1973 MC-000001
1974 MC-006946 (made in Japan)
1974 MC-500001 (made in USA)
1975 MC-018500 (made in Japan)
1975 MC-509500 (made in USA)
1976 MC-032000
1977 MC-037301
1978 MC-041801

G4 Trail Boss & KV100
1970 G4-000001
1971 G4-014460
1972 G4-036049
1973 G4-052153
1974 G4-070001
1975 G4-083000
1976 G4-091700
1977 G4-098201
1978 G4-101701

G5 & KE100
1972 G5-000001
1973 G5-022027
1974 G5-045001
1975 G5-070500
1976 G5-091700
1977 G5-105501
1978 
G5-114201

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  • Home
  • Kawasaki Z1 900 Info
  • VIN Identification
  • Z1 Frame / Engine Number Location
  • 1973 Z1 900
  • 1974 Z1-A
  • 1975 Z1-B
  • 1976 KZ900
  • 1977 - 1980 KZ1000
  • Kawasaki H1 500
  • Kawasaki H2 750
  • Date Codes
  • S3 / KH400
  • How the Z1 Was Made
  • Replacement Frame Info
  • Contact Form
  • Kawasaki Z1 900 value guide
  • Sell Your Kawasaki
  • 1972 1973 S2 350
  • Z1 Buyers Guide
  • Z1 Genuine Parts
  • KZ1000 Z1R