Before heading to the question, let us understand what kind of bikes the Yamaha R15 V2 and the Yamaha Fazer V2 are. The Yamaha R15 V2 is a premium sports bike, while the Yamaha Fazer V2 is an affordable adventure commuter bike; the keywords being “Premium” and “Affordable”. A premium bike is a bike behind which a brand is willing to spend a lot more in Research and Development. An affordable bike is a bike which is made using proven formulae, which allows companies to save a lot more. 

How is Yamaha R15 V2 faster than Yamaha Fazer V2 even though both bikes have the same capacity engine?

The Yamaha R15 V2 is a sports bike with very high specifications. It has a fuel injected engine with liquid cooling. The engine spits out about 17BHP of power at 8500RPM and 15NM of torque at 7500RPM. The whole purpose of this high power and torque is to allow the bike to rip through the streets. This is a sports bike, which means, this bike was made for smooth roads and high speeds. 

On the contrary, the Yamaha Fazer V2 is an adventure commuter bike. Which means this bike was made for terrains, roads, and highways. This bike has a basic fuel injected engine with air cooling. The engine can give out 12.9BHP of power at 8000RPM and 12.8NM of torque at 6000RPM. The power and torque is quite less when compared to the engine of Yamaha R15 V2, but this is because bikes of this category do not need that high power and torque. 

When comparing the two bikes, we can see the major differences between the bikes. These differences include the design, power, and most importantly comfort. We have already discussed the power, let us look into the design. The Yamaha R15 V2 is a sports bike, which means it has a very sporty design. The design of the Yamaha Fazer V2 on the other hand is also sporty, but it is not as edgy or aerodynamic as the Yamaha R15 V2. The Yamaha R15 V2 was made to cut through the air with extreme prejudice. 

Coming to the comfort of the two bikes. The Yamaha R15 V2 is a sports bike, which means the seat is more rounded and integrated with the body and the handlebars are clip-ons. The rear seat of the Yamaha R15 V2 is also quite small. In contrast, the Yamaha Fazer V2 has big seats with comfortable cushions. The Yamaha Fazer V2 also has an upright single-part handlebar, which allows for comfortable rides for long periods. The Yamaha Fazer also has a very thick and big pillion seat. 

Just because one is more powerful than the other and one is a bit more comfortable than the other, it doesn’t mean that either of the bikes are bad. Both the bikes are made for different purposes. The Yamaha R15 V2 is a sports bike with sports features and can be used for riding for short rides, night rides, and other fun purpose rides. The Yamaha Fazer V2 on the other hand is made for touring and also for comfortable commuting. Hence, we can understand why the two bikes have different top speeds regardless of similar engine capacity.