http://www.honda.co.jp/customer/faq-auto/models/s2000/

There's still some confusion about various aspects of the S2000, so I thought it'd be good for some people to check out the official Honda FAQ about the S2000.

Highlights include (please excuse the machine translation
Q: Teaching the origin of car name.
A: S meant the real sport of the new generation, as for 2000 including the aerodynamic volume displacement of 2 liters and the thinking which is directed to 2000, named S2000.
Hopefully we won't have too many more people say the 2000 stands for the year 2000.

Q: Concerning fuel economy teaching.
A: 10 15 mode travelling fuel economy are as follows.
It is 12.0km/L.
Type V is 11.6km/L.
Dunno what that "mode" thing is, but 12.0km/L is approx 28mpg.

Q: Teaching the weight of the wheel.
A: The weight per 1 is as follows.
Front 17 inches: 8.1kg
Rear 17 inches: 9.34kg
17.9 and 20.6 lbs.

Q: Is the main modification point with 04M what?
A: イモビライザー standardization
FR tire size rise (205/55R16 -> 215/45R17)
RR tire size rise (225/50R16 -> 245/40R17) is.
No mention of any suspension change, just wheel size, so that's still unknown?