You can get a used one for between $200 and $300. Check on ebay.com.
The cost of a Yamaha Tyros will depend on where one purchase's the keyboard. However, one might purchase this keyboard on Amazon for under $250, possibly with free shipping.
Yamaha S90 keyboard generally cost $3799. There are several store that sell it. Amazon and E-bay is a good place to get Yamaha S90 keyboard online. One can purchased it by Credit Card.
2500
Roughly £1600
2500
Proper one like a Yamaha starts at €100 and you can go up to thousands.
The model that you have listed is actually a Yamaha keyboard and not a motorbike. It can be purchased for approximately $500 for a used model. If you are indeed looking for a Yamaha motorbike there is a great deal of price variance between models.
The average cost of a backlit computer keyboard is around $40.
There is no specific price for a piano keyboard. A cheap keyboard could cost less than $100 and a higher quality one could cost thousands.
The 2016 price of a Yamaha Apex is $14,349.
Clearly the ipad style has dominated the market, but if you run a search for tablet PCs, you can find one or two with the keyboard intact. It might cost you more money, but maybe that is ok for you.
it depends on what keyboard u are looking at. be more specific