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Originally Posted by adrian_mirea
Will restricting a larger, let's say, 500cmc bike, like the gs500 for example, reduce it's fuel consumption?
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The carburetor versions are often restricted by reducing the intake diameter (plate with a small hole between carb and engine).
It's limiting the air flow, thus also limiting the fuel flow, but I wouldn't expect wonders in the overall fuel efficiency.
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and I was wondering if restricting it, and also if using various techniques to reduce fuel would make it reach let's say, 4l/100 km or less.
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If I can get 4L/100km out of a Volvo S40, you should do better on a bike
You'll have to change the way you ride, it'll be far more efficient than restricting a bike.
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I commute everyday to work around town, and a very crowded one, average speed is very low for cars, about 20 km/h for the whole trip; fuel consumption is important for me, also size and weight. I will be driving only in the city with the motorcycle that I will get.
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In that case, I'd opt for a 250 or even 125cc, with fuel injection.
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- a small underbone like the honda innova 125
- honda cbr125
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These are very efficient little engines.
The Innova averages less than 2L/100km for 98 users !
Overview: Honda - Innova - Spritmonitor.de
Top of the list, Evomoto with 1.1L/100 km is a member here, but he uses a highly modified Innova.
The CBR 125 does almost as good.
Overview: Honda - CBR 125 - Spritmonitor.de
On the CBR, the gearing can be changed so it makes less rpm at the same speed - but don't push it too far on a small 125cc.
Do you get the CBF125 in Romania ?
A bit wider, but the seating position will be more comfortable in town than on a CBR.
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What I care about is:
- great fuel consumption
- a reliable engine with low maintenance
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That just screams Honda 125cc with fuel injection
The 500cc are oversized for what you say you need.
An MP3 125cc hybrid may look attractive to the fuel-conscious, but it's horribly expensive (almost 3 times the price of the CBR) , and the fuel economy seems to disappoint a bit.