In Vietnam, the bet motorbikes to rent are mostly from Japanese brands such as Honda, Yamaha, and Suzuki, with a few models from Korean brand Piaggio and Vietnamese local brands. Here are some of the most popular motorbike models in Vietnam:

1. Honda Dream 110i: A small, automatic scooter suitable for beginners and short trips.
2. Honda Wave 110: Another popular small scooter with an air-cooled engine and manual transmission.
3. Yamaha Exciter 135: A mid-range scooter with a liquid-cooled engine, offering more power and better fuel efficiency than the smaller models.
4. Honda PCX 150: A popular mid-range scooter with a liquid-cooled engine, automatic transmission, and comfortable seating.
5. Suzuki Smash 125: A larger scooter with an air-cooled engine, manual transmission, and a comfortable ride.
6. Honda Blade 160: A popular large scooter with a liquid-cooled engine, automatic transmission, and spacious storage compartment.
7. Yamaha Nouvo 115: Another mid-range scooter with a liquid-cooled engine, automatic transmission, and modern features like ABS brakes.

These models are widely available in Vietnam’s motorbike shops and rental services, making it easy for tourists and locals alike to find the right bike that suits their needs and budget.