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What improvements does the 750 have over the 700? Not counting the engine size.
What improvements does the 750 have over the 700? Not counting the engine size.
Ackme, does your 750 have dynamic ESA OR not?
FWIW, the Motorrad engineers claim the re-designed chassis with tank back up top has improved the center of gravity and overall handling. Seems counter-intuitive but I cant imagine BMW making that change and the claim without good reason.
Can you provide a link to that claim by the engineers? I’d like to see that discussion.
I was told by a knowledgeable bmw salesperson that the tank was moved forward to improve handling (by concentrating fuel weight between the front and rear wheels, rather than over the rear wheel), but that as a consequence the cg was higher.
I think this is the press release from Nov.2017. I guess you if you parse the language they say the CoG is "improved" not "lower" so the F700/800 might be actually lower but in the view of BMW the F750/850 has a better result.
"New steel bridge frame in monocoque construction, optimised
suspension geometry and new fuel tank position.
The bridge frame of the new GS models in the F series is made of deepdrawn, welded components. It integrates the 2-cylinder in-line engine as a cosupporting element and offers benefits in terms of torsional rigidity and
robustness. The fuel tank has been placed in the classic position between the
seat bench and the steering head, for optimised packaging and an improved
centre of gravity."
https://www.press.bmwgroup.com/global/article/attachment/T0275427EN/397328
For far too many of us the solution to a high center of gravity rests not in the hands of engineers, but rather in the hands of Jenny Craig.
I suspect BMW would have claimed they had lowered the CoG if in fact they had done so. That doesn’t mean there is anything wrong with what they did and in fact I don’t doubt their claim that CoG is improved overall. I just remain skeptical that it is lower than on the F700.
Did not have the pleasure of riding a 700.... but this 850 is top heavy... and I know that I have the GSA, but even with a nearly empty tank this sucker is top heavy...
Did not have the pleasure of riding a 700.... but this 850 is top heavy... and I know that I have the GSA, but even with a nearly empty tank this sucker is top heavy...
While we know manufacturer's claimed wet weights* are usually found in the Fiction Section, the relative difference should a good guide:
F700GS - 460 2011 model on (2008-2010 F650 listed @ 436)
F800 GS - 456
F800 GSA - 505
F750 GS - 494
F850 GS - 505
F850 GSA - 540
R 1150 R - 524
R1250 GS - 549
R1250 GSA - 591
Start adding hand guards / bash plate/ engine guards / windshield / luggage racks etc etc etc and the real world weight to Vark's point would be pretty different not only in total weight but in distribution.
* my apologies to everyone outside of the US and Burkino Faso for not using a more logical system of measurement.