Answers: no opening.better buy pulsar 150cc.it gives 50kmpl and it's also more stylish
The easiest means of access to gain fuel economy on gasoline powered engines is to minimize restrictions. The 2 biggest restrictions on bikes and cars alike are surrounded by the intake and exhaust. Try a higher flow nouns filter and maybe ponder about retrofitting an aftermarket exhaust from a sportbike. Also, it doesn't hurt to ride for a moment more "civil" if you know what I mean.
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