HOME 2.23 FRONT WHEEL GENERAL 3. If scored, replace disc. Maximum tire mileage and good handling qualities are directly related to wheel and tire care. Wheels and tires should be inspected regularly for wear. If handling problems occur, see 2.27 SEALED WHEEL BEARINGS for possible causes. Preliminary Inspection - Wheel/Tire 1. Block motorcycle underneath frame so front wheel is raised off the ground. 2. Inspect tire for wear and wear pattern. Replace tire as necessary. Preliminary Inspection - Brake Discs 1. Measure brake disc thickness for excessive wear. Min- imum acceptable thickness is stamped on side of disc. 3. Inspect air valve. Replace as necessary. 2. If warped, replace disc.
Maximum allowable lateral runout of a spring washer mounted brake disc is 0.3 mm (0.012 in.). 4. Inspect wheel bearing end play and service bearings if necessary. If end play is 0.051 mm (0.002 in.) or more, replace the wheel bearings. See 2.27 SEALED WHEEL BEARINGS . 2009 VRSC Service: Chassis 2-53