2011 Yamaha Motorsports Royal Star Venture S Owners Manual - Page 90
2011 Yamaha Motorsports Royal Star Venture S Manual
Page 90 highlights
PERIODIC MAINTENANCE AND ADJUSTMENT Tire inspection WARNING G EWA10521 1. Tire sidewall 2. Tire wear indicator 3. Tire tread depth G 8 Always check the tires before operating the motorcycle. If a tire tread shows crosswise lines (minimum tread depth), if the tire has a nail or glass fragments in it, or if the sidewall is cracked, contact a Yamaha dealer immediately and have the tire replaced. Minimum tire tread depth (front and rear): 1.0 mm (0.04 in) It is dangerous to ride with a worn-out tire. When a tire tread begins to show lines, have a Yamaha dealer replace the tire immediately. Brakes, tires and related wheel parts replacement should also be left to a Yamaha dealer. Ride at moderate speeds after changing a tire since the tire surface must first be "broken in" for it to develop its optimal characteristics. After extensive tests, only the tires listed below have been approved for this model by Yamaha Motor Co., Ltd. Front tire: Size: 150/80-16M/C 71H Manufacturer/model: DUNLOP/D404F BRIDGESTONE/G705G Rear tire: Size: 150/90B15M/C 74H Manufacturer/model: DUNLOP/D404 BRIDGESTONE/G702G Tire information This motorcycle is equipped with cast wheels and tubeless tires. EWA10461 WARNING The front and rear tires should be of the same make and design, otherwise the handling characteristics of the vehicle may be different, which could lead to an accident. 8-23