I have one but it is probably a bit self-serving as I hope to someday have an 848...I know an 848 could be a monster but the stock bike isn't pushing much more than a 749R.

SuperTwins GTU

• Up to 850 cc two cylinder, four stroke

• Up to 125cc single cylinder two stroke

• Unlimited displacement, two cylinder, four stroke, two valves per cylinder, air cooled

• Unlimited displacement single cylinder, four stroke.