One can find reviews of the Honda CRF250 on websites such as ProductReview, Motorcycle USA, Motrocycle New, and in many forums dedicated to Honda and motorcycle.
According to Triumph's website, there are 176 Triumph dealers in the USA.
The Goldwing is a motorcycle built by Honda. One of the best places to get information on any Honda motorcycle is through a Honda dealership. Another is directly from the Honda USA website. The Gold Wing Road Riders Association or GWRRA may be able to assist with valuable information from experienced users as well.
Honda USA distributes many models, such as the Civic, Accord, Crosstour, Insight, and Fit. Most of these are available in a wide range of colours, and can be found at most Honda dealers.
One can purchase a Honda CR125 from a variety of locations. Some of them are Honda, Bike Finds, Kijiji, Electrosport and Motorcycle USA to name just a few.
The Honda CMX450C "Rebel 450" was sold in the USA for the model years 1986 and 1987. There was no Rebel 400.
One can find more information about the Yamaha SRX motorcycle by visiting the Motorcycle USA website. This website is free to visit and browse and it contains a wealth of information on this motorcycle.
One can purchase a Honda Fourtrax at Motorcycle USA. There are technical specs, prices, photos, ratings, and reviews to be found on this website. They also help one locate a dealer.
One can purchase a Honda CBX in online stores such as eBay, Jay Leon's Garage or Motorcycle USA. It is also available on Tim's CBX, Used CBX and Auto Trader.
I believe that in the US at least Honda is not allowed to charge against the Acura warranty and vice versa. Not sure how it works in Europe but it may be the same.
Nissan USA's website provides a list of Nissan dealers. In addition all dealers must register with a state department of motor vehicle which can provide a list of all Nissan dealers.
There are 950 Current Cadillac Dealers In the USA.