I used it last year. Passed it to my brother. He had been riding it to work on daily basis from Ampang to Glenmarie, Shah Alam. So far zero issue. Less frequent refueling than his old EGO S. 

NVX looks    but with small fuel tank (4.xx++ litre)    Big engine + small fuel tank = frequent refuelling. If the fuel consumption similar to PCX, then it can go up to 200km only. 

No, I abandon the plan. 2 reasons.

1. Pass my PCX to my brother. He need a bike with large fuel tank for work (daily commute Ampang - Shah Alam). He's tired of daily refuelling his Ego S.

2. The components (3 items) becoming too expensive - closed to RM1k++ when I ask with Honda center in Golok Thailand. 10% of bike price just for the keyless system. Too expensive. Last year the price approximately RM600++ only. Thanks to our weak currency + price increase in Thailand. 

3. 2 months ago, I did enquire again (with high hope the price is okay), the Honda people in Thailand said, 2017 PCX version in Malaysia might not be socket compatible anymore with Smart Key (v3.2 or something) components in Thailand. They said slight different with wiring harness. Not that sure if it's true or not. I've look at wiring harness part number - still the same.    Sorry can't be sure about this. Too many PCX version.   

Yup... 8L. Can go from Shah Alam to Gua Musang without having to worry about running out of fuel 

If on PCX, no significant battery degradation with this stop start feature. My PCX always utilise this feature. 2++ years already. The battery still strong.