The Yamaha has a cast iron liner against Honda's aluminium bore.

Yamaha has large size filler cap compared to Honda's tiny filler cap which is a pain to refill.

Yamaha has nearly twice the fuel capacity.

Yamaha has all controls on one panel.

Yamaha has proper fuel tap and Honda has none. If you are carrying Honda in vehicle or caravan boot they smell of fuel all the time as the fuel drips from the air filter on long trips.

The Yamaha has a bigger engine and does approximately a 1,000 rpm less than the Honda which means less noise and slightly lower fuel consumption.