All three bikes you mentioned, the Gixxer 250, Dominar 250, and Pulsar NS 200, have their own strengths and features. When it comes to touring, rear tire braking and long-term engine reliability are important factors to consider. Here's an overview of each bike's characteristics in relation to your concerns:
Gixxer 250: The Gixxer 250 is a naked sports bike from Suzuki. It features a 249cc engine with good power and torque for touring. In terms of rear tire braking, it is equipped with a disc brake setup that should provide adequate stopping power. Suzuki bikes are generally known for their reliability, and the Gixxer 250 has a reputation for a durable engine. However, it's worth noting that the Gixxer 250 may have a more aggressive riding position compared to other bikes in this category, which may affect long-distance comfort.
Dominar 250: The Dominar 250 is a touring-oriented bike from Bajaj. It comes with a 248.77cc engine that provides a decent balance of power and fuel efficiency. In terms of rear tire braking, it is equipped with a disc brake setup similar to the other bikes mentioned. Bajaj has a good reputation for reliability, and the Dominar series, including the Dominar 250, is known for its sturdy build quality. The Dominar 250 offers a comfortable riding position and features like a long-travel suspension, which can enhance touring comfort.
Pulsar NS 200: The Pulsar NS 200 is a naked street bike from Bajaj. It has a slightly larger engine at 199.5cc compared to the other two bikes. Regarding rear tire braking, it also features a disc brake setup that should provide adequate stopping power. The Pulsar series has been popular in India for many years, and the NS 200 has gained a reputation for reliability. However, it's worth mentioning that the engine in the NS 200 is more performance-oriented, which might impact fuel efficiency during long-distance rides.
Considering your concerns about rear tire braking and long-term engine reliability, all three bikes should offer satisfactory performance. However, it's always recommended to do thorough research, read user reviews, and test ride the bikes yourself to assess their comfort, handling, and braking capabilities. Additionally, regular maintenance and following manufacturer-recommended service intervals will play a crucial role in ensuring the long-term reliability of any bike you choose.