1974 Kawasaki 500 Mach III H1E
1974 Suzuki GT380L Sebring in Aztec Gold
model summary
The H1E represented another phase of softening of the Mach III with  measures introduced to reduce noise and emissions, at the cost of at least 1 horsepower (if not more).
1 Seat strap on UK models, grab rail only on US models
2 Colours: Candy Green, Candy Red
1 Crankcase check valves added to reduce oil reaching combustion chambers
2 Engine rubber mounted
3 Third gear shifter fork widened to improve selection
running gear
1 Wheelbase inscreased from 55.5 to 56.5 inches
2 Brake wear indicator on rear drum brake