You can purchase Yamaha parts for your new motorbike at the following websites: http://www.yamaha-motor.com/content/22/Yamaha_Parts_and_Accessories_Home.aspx and http://www.bikebandit.com/Yamaha-parts/
Yamaha r1
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.
You can still get the OEM parts from most Yamaha dealers! They will probably have to order most parts. Or you can look online. there are many sites that sell the OEM parts. I own a 1984 XT600 and I've had no problems finding parts. I hope this helps you!
You can call Yamaha Motorbike Insurance 0844 815 6125 or alternatively, it is possible to go onto the Yamaha Bike Insurance website and under the 'contact' section, message them your query.
Actually there are several places where one could purchase Yamaha snowmobile parts. Some options include for example: "YamahaPartsHouse", "YamahaGenuineParts" and "YamahaPartsNation".
BMW motorbike= every 10.000 km Honda motorbike= every 6.000 Km Yamaha motorbike= every 6.000 Km
The Yamaha TTR 125 is a motorbike and is available for purchase from stores that sell motorcycles and similar vehicles. Some places to try include eBay Motors, Cycletrader, and MotoSport.
It is a 1985 Yamaha YZ80
Use 10w30 full synthetic.
Yamaha are the company the make the Yamaha YZF 250 model motorbike. This motorbike model can be found to buy second hand on eBay. The YZF 250 is distinctive in its appearance.
Some of the Japanese motorbike brands are Suzuki, Yamaha, and Kawasaki but theres many more.
Yamaha used and vintage motorcycle parts can be sold with Gogo Cycles. The "parts" market is more in selling parts than buying old, and used motorcycle parts. Try a salvage yard and see if they can purchase the Yamaha motorcycle parts.