Yamaha · 1999 to 2013
Yamaha Royal Star Venture darkside tire sizes
Stock rear on the Yamaha Royal Star Venture (1999 to 2013) is 150/90-15. Riders report running 165/80R15, 155/80R15 as a car tire on the rear.
Stock front150/80-16
Stock rear150/90-15
What riders report
Rear · car tire165/80R15
Kumho, FederalOne rider measures his Kumho at about 25.4 inches, the same as stock.
Rear · car tire155/80R15
BFGoodrichMentioned as an option.
Rear · car tireSize not stated
NexenAbout 20,000 miles. Stable in the twisties and good in rain. Size not stated.
Car sizes close to stock, on paper
These car tire sizes come within 3 percent of the stock 150/90-15 rear in overall height, by the math alone. They are not rider-tested. Width, rim fit and clearance on your bike still decide what actually works.
Before you buy
Stock sizes come from published fitment listings and owner forums. Check the size on your current tire or the label on your bike, then read the big questions and the mounting guide.