YEAR
|
MODEL
|
CHANGES
|
1973
|
Z1
|
mikuni 28mm carburetor
|
1974
|
Z1A
|
aluminum colored block from here on brake light in speedometer
|
1975
|
Z1B
|
3/8" O-ring chain, no oil-slinger, two part head seal, rear cowling stripes
nearly touch, last year for pressed tank, new squarish side emblems
|
1976
|
Z900A4
|
name change to Z900, new exhaust pipe part number, new air filter
system, new fuel tank, mikuni 26mm carburetor, wider tail section,
rectangular brake light, flat side covers, new seat covering, updated
shock absorbers, new fork, frame thickness to 23mm from 18mm,
optional dual front disc brakes, 16.5 L tank, tank keylock, idiot lights
between speed/tachometer, 3-position ignition key,
35 tooth final gear (up from 33)
|
1977
|
Z1000A1
|
engine up to 1015cc, 4 into 2 exhaust, rear disc brake,
new tank / side covers
|
1978
|
Z1000A2Z
|
new calipers / master cylinder, different carb settings
|
1978
|
Z1-R
|
Z1000A2 based engine, 4 into 1 exhaust, 22 L tank,
28 mm carburetor, drilled discs, cast 19" wheels
|
1979
|
Z1-R
|
Mk-II based engine, cast 18" wheels
|
1980
|
Z1-R
|
4 into 2 exhaust
|
|
