Cg 125 fuel economy issues

[xz130]

Hi I'm new to this forum and I need help,
I've got a 2007 cg 125 and its done 6700 miles I've had it from 1000 it used to give me over 200 miles from a tank but I will now only get 175 does anyone know what could be the problem and what I could do to fix it?

[_Iain_]

Temp changes make a big difference to fuel economy.

You're on the choke for longer to get it warm, and the cold will cause tyre pressures to drop - increasing rolling resistance & thus decreasing fuel efficiency. Also with all the wet & muck on the road the chain probbably wont be lubricated quite as well as normal, so again - more friction, more effort to turn the wheel, fuel consumption increases.

All this adds up, but to only loose 25 miles a tank realy isnt anything to worry about

Edit; Welcome btw
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Please be aware that the above post may be full of complete nonsense.
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[xz130]

Thanks _iain_ the tyres were replaced last week and are up to the correct psi but its just that I didn't think that rubbish roads could make that much difference

[_Iain_]

[unitynotsocri...]

how much do you drop the oil and service the tappets?

I reckon that bad oil could drop mpg by ten per cent,but then so can getting a bit confident wringing the guts out of a poor pushrod 125 in Britains modern traffic.
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