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Carburetted Fuel-injected

I have a query regarding Royal Enfield’s 500-cc motorcycles. Royal Enfield, the retro bike manufacturers, sell their 500-cc bikes in carburetted as well as fuel-injected versions in the guise of the STD Bullet 500 and the Classic 500 and Thunderbird 500 respectively. I want to know which of the two offers an overall smooth riding experience in terms of top speed, acceleration and a ride free from vibrations. In addition, which of these two offers better fuel economy?

Binoy Dasgupta, via e-mail

New Tyres

I am a regular reader of your magazine because it helps me find answers to bikerelated questions. I own a Royal Enfield Electra (2008 model). I have already replaced the rear tyre with the one which comes with the Classic, that is, 18” 110/90, and for that to be possible I have already made the required changes to the swingarm. Now I wish to change the rear tyre since I have already done about 50,000 km. A tyre dealer suggested the CEAT VERTIGO RAGE 18” 120/80, which is basically a tubeless tyre, but with tuff-up tube as I have a spoke rim. I want to know if, as the aspect ratio changes in the aforementioned tyre, it will affect handling, mileage, chain setting and gear-shift of my bike. Please advise me.

Adarsh Satyawadi, via e-mail

The main reason why the bike feels sluggish as compared to the KTM is that the Pulsar 200NS is heavier than the Duke. Besides, it has taller gearing and is slightly less powerful. To make your bike go as fast as the Duke, you would need to undertake a...