Care to share your thoughts on the comparisons? I do plan to do a test ride but it's going to be a while before I can get down there and also even a test ride won't tell me the whole story unless I can spend several hours and get on some turns.
I ride a 2013 ABS bike, good in handling compared to a Gixxer 1K 2012 I rode earlier. Good electronics and very forgiving, good for a novice reader like myself. Race ECU is a must to unleash the full power. I ride mostly on the track and there's a surge of power after 10K, when both the injectors open. Braking is phenomenal. Bike provides ample feedback at all instances.
2015 bikes made good power, which was lacking in the 2013/14 bikes. However there were some recalls that were made:
1. Wheel hub bolt became loose and needed tightening (I'm getting the terminology wrong, I guess - there's a sticky note in the forum iirc)
2. Exhaust valve had an issue, which was later sorted out
3. Interval of maintenance was shortened.
All Aprilia bikes need PADS to fix most of the ECU related stuff and PADS is arranged only with the dealer. Unlike other bikes, RSV4 gels well with Race ECU. Not many use the piggyback ECU like Bazzaz or PC V or Rapid Bike. That said the maps aren't modified by many (only experts do it and they know how to read/write Magneti Marelli ECU). Warranty is a strict void if you use a Slip-on without Race ECU. Akrapovic is supported with Race ECU.
Coming to the 2017 bike:
1. Forks and Shocks are TTX. However the shock isn't a TTX GP, which has a hydraulic preload adjustment.
2. Dash is LCD
3. Race ABS unit, 330mm brake rotors (same callipers though)
4. No more velocity stacks (it was a pain)
5. High compression ratio, does well with 97/99 octane fuel
No changes to the frame, swingarm. RR is a good VFM as compared to RF.
Do let me know if you want to know anything specific.
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