My opinion
Leopard
Can do own maintaince.
National Array of dealers and parts
Cheaper then Rotax
More of a useable powerband
No rev limiter (great as long as common sense is used)
No need to buy 300 bucks worth of dellorto jets, can be tuned on the go
no seal
tunable exhaust (rotax has this too, but no maintance for the flex pipe)
charges itself (no need for 4 batteries, and no chargin between heats)
good radiator, external water pump, great becase its not apart of the motor
Great torque for a two stroke,
Each motor is weighted differant becuase the weights are an attempt to equal the motors based on tested HP
let me know any other questions