MPG help

[Mattdavies1982]

Hi blokes,

Just wondering if I'm being bit paranoid...

I have a DL650 2015, bought from new and have put 6000 miles on it. My normal MPG is usually 63/64 riding through london then some motorway for around 20 miles. I not had any issues with it. Now, I put it in for the recall and had the strator and value clenches checked both with no issues. Since then the maximum MPG I can get is around 58- 60, not a huge amount but a 5% drop is still annoying.  Has anyone got any thoughts on this. I've put around 500 miles on it since I've got it back and it does not look like its going to change anytime soon.

I was thinking the 7500 service may bring it back up, air filter etc?

Any tips greatly appreciated. Thanks

Matt

[greywolf]

Is this based on the display or by calculations? If on the display, make sure it wasn't changed from IMP to US gallons.

[Mattdavies1982]

Hi Thanks for your reply. It is in Imperial measurement

[Brockett]

Was the figure for total MPG for the 6000 or is it calculated "as you drive".

If it is on the total mileage then winter riding does use a bit more fuel due to lower temperature start and slower warm up.

Maybe.

[Mattdavies1982]

Yeah I was thinking maybe winter riding may be responsible.

I also at the same time changed the windscreen to a Givi Airflow, not sure if that would make any difference to MPG though

[greywolf]

Winter riding adds a lot of negative variables for fuel economy. In most places, the fuel itself is formulated differently in winter using cheaper, more volatile components that lower mpg. Do a search on winter fuel blend for more info. There is a tendency to idle the engine longer before riding which is really unnecessary and counter productive. Just keep the revs down until you get a temp bar or two on the display. Colder lubricants offer more resistance. Even when everything is warmed up, colder air is denser. Motorcycles are very aerodynamically dirty. That's why fuel economy goes down so much at higher speeds. Pushing more atoms out of the way to get through the air uses more fuel just as higher speeds do in the summer. For those that think it shouldn't be that much harder to move some air around, remember moving air was used to propel the world's largest ships around the globe a couple of hundred years ago.